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Main ContentFAQAccessSitemapLink 日本語 About Institute Overview Organization Research Staff Jobs at NIES Privacy Policy of NIES Faclities Access and Benefit-Sharing of Genetic Resources Research Institutional Structure Strategic Research Program Long‐term research projects Research Papers Social Contributions / External Ties Facing up to Disasters Cooperation with Other Research Institutions International Activities Collation, Management and Dissemination of Environmental Information Data / Resources Database / Tool NIES Publication Public Relations What's New Event Information Visit NIES Home>About>Research Staff> KAWACHI Masanobu Latest Update：2024/04/22 10:00:47 このページを日本語で読む KAWACHI Masanobu Researcher NameKAWACHI Masanobu Div (Section) name/titleBiodiversity Division（Biodiversity Resource Conservation Office）／Head Research SubjectStudies on the biodiversity of algae concerning with environmental problems and algal culture collection Degree(s)Doctor of ScienceProfessional Qualification(s)BiologyEnvironmental Speciality Fieldwater bloom,biodiversity,biofuelMembership of Academic SocietyThe Japanese Society of Phycology (JSP) ,Japan Society for Culture Collections (JSCC),The Botanical Society of Japan,International Phycological Society Research Subject Fiscal Year: 2023 26419 : Integrative research toward balancing conservation and use of biodiversity and behavior change 26435 : Research on evaluation and clarification of effects and mechanisms of climate change 26454 : Biodiversity Domain: Foresight and Advanced Basic Research 26456 : Biodiversity Domain: Intellectual Research Infrastructure Development 26507 : Collection, preservation and distribution of algal resources 26508 : Collection and characterization of useful algae 26654 : Atmospheric and Oceanic Monitoring 26725 : Developing a water quality health assessment system for offshore exploitation sites 26736 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation Fiscal Year: 2022 25983 : Integrative research toward balancing conservation and use of biodiversity and behavior change 26001 : Research on evaluation and clarification of effects and mechanisms of climate change 26012 : Biodiversity Domain: Foresight and Advanced Basic Research 26014 : Biodiversity Domain: Intellectual Research Infrastructure Development 26119 : Collection and characterization of useful algae 26264 : Atmospheric and Oceanic Monitoring 26293 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation 26345 : Development of monitoring method by imaging analysis of meiofauna in deep-sea sediments 26347 : Collection, preservation and distribution of algal resources Fiscal Year: 2021 25516 : Integrative research toward balancing conservation and use of biodiversity and behavior change 25535 : Research on evaluation and clarification of effects and mechanisms of climate change 25613 : Prediction of Climate Change Impacts on Enclosed Coastal Sea Environment and Adaptations 25674 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation 25809 : Biodiversity Domain: Foresight and Advanced Basic Research 25811 : Biodiversity Domain: Intellectual Research Infrastructure Development 25833 : Atmospheric and Oceanic Monitoring 25925 : Collection, preservation and distribution of algal resources 25927 : Study on practical assessment technique for marine environment during seafloor mineral mining 25928 : Development of monitoring method by imaging analysis of meiofauna in deep-sea sediments Fiscal Year: 2020 25113 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities 25117 : Collection, Preservation and Distribution of Microbes and Endangered Algae 25327 : Studies on Advancing the Methods for Climate Change Impacts Assessment 25359 : Study on practical assessment technique for marine environment during seafloor mineral mining 25360 : Collection, preservation and distribution of algal resources 25366 : Development of short-term chronic toxicity tests using marine and estuarine species 25368 : Development of monitoring method by imaging analysis of meiofauna in deep-sea sediments 25411 : Atmospheric and Oceanic Monitoring 25432 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts 25439 : Prediction of Climate Change Impacts on Enclosed Coastal Sea Environment and Adaptations Fiscal Year: 2019 24745 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities 24749 : Collection, Preservation and Distribution of Microbes and Endangered Algae 24975 : Studies on Advancing the Methods for Climate Change Impacts Assessment 25019 : Atmospheric and Oceanic Monitoring 25021 : Development of short-term chronic toxicity tests using marine and estuarine species 25052 : Study on practical assessment technique for marine environment during seafloor mineral mining 25054 : Collection, preservation and distribution of algal resources 25056 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts 25075 : Prediction of Climate Change Impacts on Enclosed Coastal Sea Environment and Adaptations Fiscal Year: 2018 24315 : Long-term monitoring and database for global environmental research and supporting for related activities 24319 : Collection, preservation and distribution of microbes and endangered algae 24538 : Development of short-term chronic toxicity tests using marine and estuarine species 24543 : Assessment of impact of climate change on the environment of an enclosed sea in Japan 24578 : Atmospheric and Oceanic Monitoring Fiscal Year: 2017 23881 : Collection, preservation and distribution of microbes and endangered algae 24052 : Assessment of impact of climate change on the environment of an enclosed sea in Japan 24065 : Collection, preservation and distribution of algal resources 24066 : Research and Development of Monitoring and Forecasting Systems for Marine Ecosystem Management 24146 : Atmospheric and Oceanic Monitoring Fiscal Year: 2016 23474 : Collection, preservation and distribution of microbes and endangered algae 23672 : Collection, preservation and distribution of algal resources 23683 : Research and Development of Monitoring and Forecasting Systems for Marine Ecosystem Management 23699 : Development of biodiversity evaluation and environmental forecast with digital DNA chip 23735 : Atmospheric and Oceanic Monitoring 23771 : Assessment of impact of climate change on the environment of an enclosed sea in Japan Fiscal Year: 2015 23007 : Research project on observation and evaluation of landscape and genetic aspects of biodiversity 23032 : Collection, preservation and distribution of microbes and endangered algae 23151 : Genome analyses of bloom-forming cyanobacterium Microcystis aeruginosa which have a peculiar occurrence in Lake Kasumigaura 23190 : Atmospheric and Oceanic Monitoring 23248 : Development of biodiversity evaluation and environmental forecast with digital DNA chip 23250 : Collection, preservation and distribution of algal resources 23262 : Research and Development of Monitoring and Forecasting Systems for Marine Ecosystem Management 23268 : The creation of advanced use and culturing type next-generation fishery industry of unutilized algae 23315 : Evaluation and projection of spatio-temporal dynamics of coral reef biodiversity Fiscal Year: 2014 22595 : Research project on observation and evaluation of landscape and genetic aspects of biodiversity 22620 : Collection, preservation and distribution of microbes and endangered algae 22830 : Evaluation and projection of spatio-temporal dynamics of coral reef biodiversity 22833 : Development of biodiversity evaluation and environmental forecast with digital DNA chip 22834 : Collection, preservation and distribution of algal resources 22920 : Atmospheric and Oceanic Monitoring 22938 : Research and Development of Monitoring and Forecasting Systems for Marine Ecosystem Management 22962 : The creation of advanced use and culturing type next-generation fishery industry of unutilized algae Fiscal Year: 2013 22179 : Research project on observation and evaluation of landscape and genetic aspects of biodiversity 22204 : Collection, preservation and distribution of microbes and endangered algae 22206 : Monitoring projects and database management of biodiversity and ecosystem 22357 : Comparative evolutionary studies on diatoms and palmaleans 22363 : Development of biodiversity evaluation and environmental forecast with digital DNA chip 22379 : Atmospheric and Oceanic Monitoring 22421 : Collection, preservation and distribution of algal resources 22509 : Evaluation and projection of spatio-temporal dynamics of coral reef biodiversity Fiscal Year: 2012 21750 : Research Project on Observation and Evaluation of Landscape and Genetic Aspects of Biodiversity 21775 : Collection, preservation and distribution of microbes and endangered algae 21777 : Monitoring projects and database management of biodiversity and ecosystem 21855 : Comparative evolutionary studies on diatoms and palmaleans 21856 : Monitoring of unconfirmed harmful phytoplankton from the Eastern Tokyo Bay 21915 : Development of biodiversity evaluation and environmental forecast with Digital DNA chip 21916 : Collection, preservation and distribution of algal resources 21992 : Evaluation and projection of spatio-temporal dynamics of coral reef biodiversity 22118 : Atmospheric and Oceanic Monitoring Fiscal Year: 2011 21333 : Collection, preservation and distribution of microbes and endangered algae 21335 : Monitoring projects and database management of biodiversity and ecosystem 21383 : National research project for mass cultivation of oil producing Botryococcus in Japan 21396 : Meta-Genomics and taxonomy of uncultivated marine microalgae based on whole genome amplification of cells sorted by flow cytometry 21407 : Research Project on Observation and Evaluation of Landscape and Genetic Aspects of Biodiversity 21566 : Evaluation and projection of spatio-temporal dynamics of coral reef biodiversity 21595 : Atmospheric and Oceanic Monitoring 21693 : Comparative evolutionary studies on diatoms and palmaleans 21694 : Monitoring of non-coccolith cell stage of the coccolithophorids in Hakata Bay 21695 : Monitoring of unconfirmed harmful phytoplankton from the Eastern Tokyo Bay 21720 : Development of biodiversity evaluation and environmental forecast with Digital DNA chip Fiscal Year: 2010 20850 : Preliminary investigation of DNA barcoding of algae and chironomids massively growing in inland waters 20946 : National research project for mass cultivation of oil producing Botryococcus in Japan 21143 : Collection and long term preservation of endangered algae 21148 : Collection, preservation and distribution of algae 21157 : Taxonomic evaluation of algal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of strain database 21198 : Screening of coral symbionts sensitive to water temperature rise 21199 : Meta-Genomics and taxonomy of uncultivated marine microalgae based on whole genome amplification of cells sorted by flow cytometry 21212 : Development of integrated environmental management for Changjiang River basin to conserve the sound environmental conditions in East China Sea Fiscal Year: 2009 20432 : Basic Research for production of alternative energy by using microalgae 20470 : National research project for mass cultivation of oil producing Botryococcus in Japan 20506 : Meta-Genomics and taxonomy of uncultivated marine microalgae based on whole genome amplification of cells sorted by flow cytometry 20525 : Collection and long term preservation of endangered algae 20526 : Taxonomic evaluation of algal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of strain database 20554 : Collection, preservation and distribution of algae 20682 : Development of integrated environmental management for Changjiang River basin to conserve the sound environmental conditions in East China Sea 20760 : Early detection of the ecesis and the dynamics of a marine invasive species from ballast water and ship hulls 20761 : Analysis of settlement and pathway of harmful phytoplankton Chattonella marina first occurring in Tokyo Bay Fiscal Year: 2008 20198 : Basic Research for production of alternative energy by using microalgae 20215 : Collection and long term preservation of endangered algae 20216 : Collection, preservation and distribution of algae 20218 : Taxonomic evaluation of algal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of strain database 20289 : Life cycle analysis of Chattonella by microsatellite markers 20290 : Early detection of the ecesis and the dynamics of a marine invasive species from ballast water and ship hulls 20388 : National research project for mass cultivation of oil producing Botryococcus in Japan Fiscal Year: 2007 10411 : Taxonomic re-evaluation of microalgal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of their database 10430 : Air pollution assessment based on genetic diversity in lichen 10629 : Collection and long term preservation of endangered algae 10654 : Generating mechanism of coccolithophorid bloom in Hakata bay 10688 : Life cycle analysis of Chattonella by microsatellite markers 10708 : Early detection of the ecesis and the dynamics of a marine invasive species from ballast water and ship hulls 10726 : Basic Research for production of alternative energy by using microalgae 10752 : Collection, preservation and distribution of algae Fiscal Year: 2006 10017 : Collection, preservation and distribution of algae as genetic resources 10064 : Risk management and monitoring of disruptive marine invasive species from ballast water and ship hulls 10075 : Technological development of energy regeneration from microalgae 10077 : Pilot Project on Mekong River Ecosystem Monitoring 10135 : Taxonomic re-evaluation of microalgal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of their database 10153 : Air pollution assessment based on genetic diversity in lichen 10363 : Collection and long term preservation of endangered algae Fiscal Year: 2005 9390 : Coccolithophorid biodiversity and the application to the global environment monitoring 9431 : Collection, preservation and distribution of algae as genetic resources 9533 : Risk management and monitoring of disruptive marine invasive species from ballast water and ship hulls 9545 : Technological development of energy regeneration from microalgae 9548 : Pilot Project on Mekong River Ecosystem Monitoring 9631 : Taxonomic re-evaluation of microalgal strains maintained in the Microbial Culture Collection at NIES (NIES-Collection) and upgrading of their database 9648 : Air pollution assessment based on genetic diversity in lichen Fiscal Year: 2004 8944 : Information gathering and evaluation of modern taxonomic properties for microalgaemaintained in the Microbial Culture Collection at NIES 9024 : Coccolithophorid biodiversity and the application to the global environment monitoring 9062 : Element cycle response to the dynamic change of environmental loads from land in the East China Sea 9114 : Collection, preservation and distribution of algae as genetic resources 9285 : Risk management and monitoring of disruptive marine invasive species from ballast water and ship hulls 9296 : Technological development of energy regeneration from microalgae 9299 : Pilot Project on Mekong River Ecosystem Monitoring Fiscal Year: 2003 8621 : Information gathering and evaluation of modern taxonomic properties for microalgaemaintained in the Microbial Culture Collection at NIES 8658 : Study on development of assesment methods for water pollultion and monitoring methods for toxic cyanobacteria in water resource regions in Asia 8742 : Coccolithophorid biodiversity and the application to the global environment monitoring 8792 : Element cycle response to the dynamic change of environmental loads from land in the East China Sea 8828 : Collection, preservation and distribution of algae as genetic resources Fiscal Year: 2002 8321 : International collaborative research on the manegement of wetland ecosystem 8388 : Information gathering and evaluation of modern taxonomic properties for microalgae maintained in the Microbial Culture Collection at NIES 8441 : Study on development of assesment methods for water pollultion and monitoring methods for toxic cyanobacteria in water resource regions in Asia 8524 : Coccolithophorid biodiversity and the application to the global environment monitoring Fiscal Year: 2001 8028 : International collaborative research on the manegement of wetland ecosystem 8141 : Information gathering and evaluation of modern taxonomic properties for microalgae maintained in the Microbial Culture Collection at NIES 8225 : O-1 Study on development of assesment methods for water pollultion and monitoring methods for toxic cyanobacteria in water resource regions in Asia 8288 : Study on coccolithophorid diversity and application of global environment monitoring View all Close Research Result (Publication) all Original Paper Review Book Other Publications Original Paper Cryopreservation of two species of the multicellular volvocine green algal genus Astrephomene Presenter : Nozaki H., Mori F., Tanaka Y., Matsuzaki R., Yamashita S., Yamaguchi H., Kawachi M.Title : , BMC Microbiology, 23(16): (2023) Original Paper Genomic analysis of an ultrasmall freshwater green alga, Medakamo hakoo Presenter : Kato S., Misumi O., Maruyama S., Nozaki H., Tsujimoto-Inui Y., Takusagawa M., Suzuki S., Kuwata K., Noda S., Ito N., Okabe Y., Sakamoto T., Yagisawa F., Matsunaga T.M., Matsubayashi Y., Yamaguchi H., Kawachi M., Kuroiwa H.Title : , communications biology, 6(1): (2023) Original Paper Cryopreservation of eight genera of the multicellular volvocine green algae Presenter : Mori F., Tanaka Y., Matsuzaki R., Nozaki H., Yamaguchi H., Kawachi M.Title : , Microbial Resources and Systematics, 39(2):77-87 (2023) Original Paper Propidium iodide staining and flow cytometry-based assessment of heavy metal impact on marine phytoplankton Presenter : Ota S., Fuchida S., Yamaguchi H., Yamagishi T., Yamamoto H., Koshikawa H., Kawachi M.Title : , Cytologia, 87(2):177-187 (2022) Original Paper Cryopreservation of vegetative cells and zygotes of the multicellular volvocine green alga Gonium pectorale Presenter : Nozaki H., Mori F., Tanaka Y., Matsuzaki R., Yamaguchi H., Kawachi M.Title : , BMC Microbiology, 22(103): (2022) Other Publications What Happened before Losses of Photosynthesis in Cryptophyte Algae? Presenter : Suzuki S., Matsuzaki R., Yamaguchi H., Kawachi M.Title : , Molecular biology and evolution, 39(2):1-7 (2022) Original Paper The early acquisition of symbiotic algae benefits larval survival and juvenile growth in the coral Acropora tenuis Presenter : Hazraty-Kari S., Morita M., Kawachi M., Harii S.Title : , Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 337(5):559-565 (2022) Original Paper Potential genetic diversity of Synechococcus-related strains maintained in the Microbial Culture Collection of the National Institute for Environmental Studies, Japan Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Microbial Resources and Systematics, 38(2):63-74 (2022) Original Paper Morphology, mating system and taxonomy of Volvox africanus (Volvocaceae, Chlorophyceae) from Thailand Presenter : Nozaki H., Mahakham W., Heman W., Matsuzaki R., Kawachi M.Title : , Botanical Studies, 63(1): (2022) Original Paper Rapid transcriptomic and physiological changes in the freshwater pennate diatom Mayamaea pseudoterrestris in response to copper exposure Presenter : Suzuki S., Ota S., Yamagishi T., Tuji A., Yamaguchi H., Kawachi M.Title : , DNA Research, 29(6):1-12 (2022) Original Paper The Rubisco small subunits in the green algal genus Chloromonas provide insights into evolutionary loss of the eukaryotic carbon-concentrating organelle, the pyrenoid Presenter : Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Kanesaki Y., Yoshikawa H., Mori T., Nozaki H.Title : , BMC Ecology and Evolution, 21:11 (2021) Original Paper Complete sequence and structure of the genome of the harmful algal bloom-forming cyanobacterium Planktothrix agardhii NIES-204T and detailed analysis of secondary metabolite gene clusters Presenter : Shimura Y., Fujisawa T., Hirose Y., Misawa N., Kanesaki Y., Nakamura Y., Kawachi M.Title : , Harmful Algae, 101: (2021) Original Paper Development of a time-series shotgun metagenomics database for monitoring microbial communities at the Pacific coast of Japan Presenter : Yoshitake K., Kimura G., Sakami T., Watanabe T., Taniuchi Y., Kakehi S., Kuwata A., Yamaguchi H., Kataoka T. , Kawachi M., Ikeho K., Tan E., Igarashi Y., Ohtsubo M., Watanabe S., Suzuki Y. , Asakawa S., Ishino S., Tashiro K. , Ishino Y., Kobayashi T., Mineta K., Gojobori T.Title : , Scientific Reports volume, 11:12222 (2021) Original Paper The enigmatic snow microorganism, Chionaster nivalis, is closely related to Bartheletia paradoxa (Agaricomycotina, Basidiomycota) Presenter : Matsuzaki R., Takashima Y., Suzuki I., Kawachi M., Nozaki H., Nohara S., Degawa Y.Title : , Microbes and Environments, 36(2): (2021) Original Paper Identification of a dual orange/far-red and blue light photoreceptor from an oceanic green picoplankton Presenter : Makita Y., Suzuki S., Fushimi K., Shimada S., Suehisa A., Hirata M., Kuriyama T., Kurihara Y., Hamasaki H., Okubo-Kurihara E., Yoshitake K., Watanabe T., Sakuta M., Gojobori T., Sakami T., Narikawa R., Yamaguchi H., Kawachi M., Matsui M.Title : , Nature Communications, 12(1):3593 (2021) Original Paper Kinetic investigation of galvanic dissolution of ZnS and PbS with FeS2 from hydrothermal sulfides in seawater Presenter : Fuchida S., Kawachi M., Koshikawa H.Title : , Applied Geochemistry, 129: (2021) Original Paper Three genomes in the algal genus Volvox reveal the fate of a haploid sex-determining region after a transition to homothallism Presenter : Yamamoto K., Hamaji T., Kawai-Toyooka H., Matsuzaki K., Takahashi F., Nishimura Y., Kawachi M., Noguchi H. , Minakuchi Y., Umeh J.G., Toyoda. A., Nozaki H.Title : , Proceedings of the National Academy of Sciences, 118(21): (2021) Original Paper Rappemonads are haptophyte phytoplankton Presenter : Kawachi M., Nakayama T., Kayama M., Nomura M., Miyashita H., Bojo O., Rhodes L., Sym, S., Pienaar R. N., Probert I., Inouye I., Kamikawa R.Title : , Current Biology, 31(11):2395-2403 (2021) Original Paper Unstable Relationship Between Braarudosphaera bigelowii (= Chrysochromulina parkeae) and Its Nitrogen-Fixing Endosymbiont Presenter : Suzuki S., Kawachi M., Tsukakoshi C., Nakamura A., Hagino K., Inouye I., Ishida K.Title : , Frontiers in Plant Science, 12: (2021) Original Paper Genome sequencing of the NIES Cyanobacteria collection with a focus on the heterocyst-forming clade Presenter : Hirose Y., Ohtsubo Y., Misawa N., Yonekawa C., Nagao N., Shimura Y., Fujisawa T., Kanesaki Y., Katoh H., Katayama M., Yamaguchi H., Yoshikawa H., Ikeuchi M., Eki T., Nakamura Y., Kawachi M.Title : , DNA Research, 28(6):dsab024 (2021) Original Paper Genome sequencing of the multicellular alga Astrephomene provides insights into convergent evolution of germ-soma differentiation Presenter : Yamashita S., Yamamoto K., Matsuzaki R., Suzuki S., Yamaguchi H., Hirooka S., Minakuchi Y., Miyagishima S., Kawachi M., Toyoda A., Nozaki H.Title : , Scientific Reports, 11(22231): (2021) Original Paper Differential heavy metal sensitivity in seven algal species from the NIES culture collection based on delayed fluorescence assays Presenter : Ota S., Yamaguchi H., Vanel F., Fuchida S., Koshikawa H., Yamagishi T., Yamamoto H., Kawachi M.Title : , Phycological Research, 68(1):41-49 (2020) Original Paper Genomic characteristics of the toxic bloom-forming cyanobacterium Microcystis aeruginosa NIES-102 Presenter : Yamaguchi H., Suzuki S., Osana Y., Kawachi M.Title : , Journal of Genomics, 8:1-6 (2020) Original Paper Draft genome sequences of four Microcystis aeruginosa strains (NIES-3787, NIES-3804, NIES-3806, and NIES-3807) isolated from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Microbiology Resource Announcements, 9(14):00052-20 (2020) Original Paper Sexual reproduction of the snow alga Chloromonas fukushimae (Volvocales, Chlorophyceae) induced using cultured materials Presenter : Matsuzaki R., Kawachi M., Nozaki H., Nohara S., Suzuki I.Title : , PLoS One, 15(8): (2020) Original Paper The Trait Repertoire Enabling Cyanobacteria to Bloom Assessed through Comparative Genomic Complexity and Metatranscriptomics Presenter : Cao H., Shimura Y., Steffen M.M., Yang Z. , Lu J., Joel A. , Jenkins L. , Kawachi M., Yin Y. , Garcia-Pichel F.Title : , American Society for Microbiology, 11(3):1-14 (2020) Original Paper A new preferentially outcrossing monoicous species of Volvox sect. Volvox (Chlorophyta) from Thailand Presenter : Nozaki H., Mahakham W., Heman , Matsuzaki R., Kawachi M.Title : , PloS one, 15(7): (2020) Original Paper Comparative genome analysis of test algal strain NIVA-CHL1 (Raphidocelis subcapitata) maintained in microalgal culture collections worldwide Presenter : Yamagishi T., Yamaguchi H., Suzuki S., Yoshikawa M. , Jameson I., Lorenz M., Nobles D.R., Campbell C., Seki M., Kawachi M., Yamamoto H.Title : , PLOS ONE, 15(11):e0241889 (2020) Original Paper A New Dinoflagellate Genome Illuminates a Conserved Gene Cluster Involved in Sunscreen Biosynthesis Presenter : Shoguchi E., Beedessee G., Hisata K., Tada I., Narisoko H., Satoh N., Kawachi M., Shinzato C.Title : , Genome Biology and Evolution, 13(2):1-7 (2020) Original Paper Taxonomic re-examination of Chloromonas nivalis (Volvocales, Chlorophyceae) zygotes from Japan and description of C. muramotoi sp. nov. Presenter : Matsuzaki R., Nozaki H., Takeuchi N., Hara Y., Kawachi M.Title : , PLoS one, 14(1):e0210986 (2019) Book Metal Mobility from Hydrothermal Sulfides into Seawater During Deep Seafloor Mining Operations Presenter : Fuchida S., Ishibashi J., Nozaki T., Matsushita Y., Kawachi M., Koshikawa H.Title : , Environmental Issues of Deep-Sea Mining: Impacts, Consequences and Policy Perspectives (2019) Original Paper Taxonomic re-examination of two NIES strains of “Chlamydomonas” within the Reticulata group of the genus Chloromonas (Volvocales, Chlorophyceae) Presenter : Makino T., Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Nozaki H.Title : , Microbial Resources and Systematics, 35(1):13-23 (2019) Original Paper Short-Term changes in marine prokaryotic and eukaryotic microalgal communities exposed to the leachate of a seafloor hydrothermal sulfide Presenter : Tsuboi S., Yamaguchi H., Fuchida S., Koshikawa H., Kawachi M.Title : , Water, Air, & Soil Pollution, 230(8):175 (2019) Original Paper The Draft Genome of a Hydrogen-producing Cyanobacterium, Arthrospira platensis NIES-46 Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Journal of Genomics, 7:56-59 (2019) Original Paper Depth-dependent transcriptomic response of diatoms during spring bloom in the western subarctic Pacific Ocean Presenter : Suzuki S., Kataoka T., Watanabe T., Yamaguchi H., Kuwata A., Kawachi M.Title : , Scientific Reports, 9(1):14559 (2019) Original Paper Morphological and molecular identification of the dioecious “African species Volvox rousseletii (Chlorophyceae) in the water column of a Japanese lake based on field-collected and cultured materials Presenter : Kimbara R., Isaka N., Matsuzaki R., Kawai-Toyooka H., Kawachi M., Nozaki H.Title : , PLOS ONE, 14(8):1-11 (2019) Original Paper Identification of 13 Spirogyra species (Zygnemataceae) by traits of sexual reproduction induced under laboratory culture conditions Presenter : Takano T., Higuchi S., Ikegaya H., Matsuzaki R., Kawachi M., Takahashi F., Nozaki H.Title : , Scientific reports, 9(1):7458 (2019) Original Paper Chrysochromulina andersonii sp. nov. (Prymnesiophyceae), a new flagellate haptophyte symbiotic with radiolarians Presenter : Yuasa T., Kawachi M., Horiguchi T., Takahashi O.Title : , Phycologia, 58(2):211-224 (2019) Original Paper Morphology, reproduction and taxonomy of Volvox dissipatrix (Chlorophyceae) from Thailand, with a description of Volvox zeikusii sp. nov. Presenter : Nozaki H., Takusagawa M., Misumi O., Mahakham W., Kawachi M.Title : , Phycologia, 58(2):192-199 (2019) Other Publications Draft Genome Sequences of Three Filamentous Cyanobacterial Strains, Dolichospermum planctonicum NIES-80, Planktothrix agardhii NIES-905, and Sphaerospermopsis reniformis NIES-1949 Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Microbiology Resource Announcements, 8(43):e00605-19 (2019) Original Paper A novel salt-tolerant genotype illuminates the sucrose gene evolution in freshwater bloom-forming cyanobacterium Microcystis aeruginosa Presenter : Tanabe Y., Yamaguchi H., Sano T., Kawachi M.Title : , FEMS Microbiology Letters, 366(15):fnz190 (2019) Original Paper Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth Presenter : Kashiyama Y., Yokoyama A., Shiratori T., Hess S., Not F., Bachy C., Gutierrez-Rodriguez, Kawahara J., Suzaki T., Nakazawa M., Ishikawa T., Maruyama M., Wang M., Chen M. , Gong Y., Seto K., Kagami M., Hamamoto Y., Honda D., Umetani T., Shihongi A., Kayama M., Matsuda T., Taira J., Yabuki A., Tsuchiya M., Hirakawa Y., Kawachichi A., Nomura M., Nakamura A., Namba N., Matsumoto M. , Tanaka T., Yoshino T., Higuchi R., Yamamoto A., Maruyama T., Yamaguchi A., Uzuka A., Miyagishima S., Tanifuji G., Kawachi M., Kinoshita Y., Tamiaki H.Title : , The ISME Journal, (13):1899-1910 (2019) Original Paper Photobiont diversity within populations of a vegetatively reproducing lichen, Parmotrema tinctorum, can be generated by photobiont switching Presenter : Ohmura Y., Takeshita S., Kawachi M.Title : , Symbiosis, 77(1):59-72 (2019) Book Ecotoxicological Bioassay Using Marine Algae for Deep-Sea Mining Presenter : Yamagishi T., Ota S., Yamaguchi H., Koshikawa H., Tatarazako, N., Yamamoto H., Kawachi M.Title : , Environmental Issues of Deep-Sea Mining: Impacts, Consequences and Policy Perspectives (2019) Original Paper Morphology, phylogeny, and taxonomy of two species of colonial volvocine green algae from Lake Victoria, Tanzania Presenter : Nozaki H., Matsuzaki R., Kashindye B.B., Ezekiel C.N., Shaban S., Kawachi M., Aibara M., Nikaido M.Title : , PLoS One, 14(11):e0224269 (2019) Original Paper Improved draft genome sequence of Microcystis aeruginosa NIES-298, a microcystin-producing cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Genome Announcements, 6:e01551-17 (2018) Original Paper Draft Genome Sequence of Microcystis aeruginosa NIES-87, a Bloom-Forming Cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Genome Announcements, 6:e01596-17 (2018) Original Paper Complete genome sequence of Microcystis aeruginosa NIES-2481 and common genomic features of group G M. aeruginosa Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Journal of Genomics., 6:30-33 (2018) Original Paper Morphology, taxonomy and mating-type loci in natural populations of Volvox carteri in Taiwan Presenter : Nozaki H., Ueki N., Takusagawa M., Yamashita S., Misumi O., Matsuzaki R., Kawachi M., Chiang Y.R., Wu J.T.Title : , Botanical studies, 59(1):1-8 (2018) Other Publications Mitochondrial and chloroplast genome sequences of Ulva ohno, a green-tide-forming macroalga in the Southern coastal regions of Japan Presenter : Suzuki S., Yamaguchi H., Hiraoka M., Kawachi M.Title : , Mitochondrial DNA Part B, 3(2):765-767 (2018) Original Paper Taxonomic revision of Chloromonas nivalis (Volvocales, Chlorophyceae) strains, with the new description of two snow-inhabiting Chloromonas species Presenter : Matsuzaki R., Nozaki H., Kawachi M.Title : , PLOS ONE, 13(3):e0193603 (2018) Original Paper Raphidocelis subcapitata (=Pseudokirchneriella subcapitata) provides an insight into genome evolution and environmental adaptations in the Sphaeropleales Presenter : Suzuki S., Yamaguchi H., Nakajima N., Kawachi M.Title : , Scientific Reports, 8(1):8058 (2018) Original Paper Onboard experiment investigating metal leaching of fresh hydrothermal sulfide cores into seawater Presenter : Fuchida S., Ishibashi J., Shimada K., Nozaki T., Kumagai H., Kawachi M., Matsushita Y., Koshikawa H.Title : , Geochemical Transaction, 19(15): (2018) Original Paper Two divergent Symbiodinium genomes reveal conservation of a gene cluster for sunscreen biosynthesis and recently lost genes Presenter : Shoguchi E., Beedessee G., Tada I., Hisata K., Kawashima T. , Takeuchi T., Arakaki N. , Fujie M., Koyanagi R., Roy M.C., Kawachi M., Hidaka M., Satoh N., Shinzato C.Title : , BMC genomics, 19(1):1-11 (2018) Original Paper Photobiont diversity within populations of a vegetatively reproducing lichen, Parmotrema tinctorum, can be generated by photobiont switching Presenter : Ohmura Y., Takeshita S., Kawachi M.Title : , Symbiosis (2018) Other Publications Evaluation of the toxicity of leaches from hydrothermal sulfide deposits by means of a delayed fluorescence-based bioassay with the marine cyanobacterium Cyanobium sp. NIES-981 Presenter : Yamagishi T., Fuchida S., Katsumata M, Horie Y, Mori F., Kawachi M., Koshikawa H., Nozaki T., Kumagai H., Ishibasi J., Tatarazako NTitle : , Ecotoxycology (2018) Original Paper Identification and detection sensitivity of Microcystis aeruginosa from mixed and field samples using MALDI-TOF MS Presenter : Sun L.-W., Jiang W.-J., Zhang J.-Y., Wang W.-Q., Du Y., Sato H., Kawachi M., Yu R.Title : , Environmental Monitoring and Assessment, 190(12):712 (2018) Original Paper Seasonal and geographical distribution of near-surface small photosynthetic eukaryotes in the western North Pacific determined by pyrosequencing of 18S rDNA Presenter : Kataoka T., Yamaguchi H., Sato M., Watanabe T., Taniuchi Y., Kuwata A., Kawachi M.Title : , FEMS Microbiology Ecology, 93:fiw229 (2017) Original Paper Leaching of metals and metalloids from hydrothermal ore particulates and their effects on marine phytoplankton Presenter : Fuchida S., Yokoyama A., Fukuchi R., Ishibashi J., Kawagucci S., Kawachi M., Koshikawa H.Title : , ACS Omega, 2(7):3175-3182 (2017) Original Paper Complete genome sequence of a coastal cyanobacterium, Synechococcus sp. strain NIES-970 Presenter : Shimura Y., Hirose Y. , Misawa N., Wakazuki S., Fujisawa T., Nakamura Y., Kanesaki Y., Yamaguchi H., Kawachi M.Title : , Genome Announcements, 5(14):e00139-17 (2017) Original Paper Fatty acid composition profiles of 235 strains of three microalgal divisions within the NIES Microbial Culture Collection Presenter : Mitani E., Nakayama F., Matsuwaki I., Ichi I., Kawabata A., Kawachi M., Kato M.Title : , Microbial Resources and Systematics, 33(1):19-29 (2017) Original Paper Predators regulate prey species sorting and spatial distribution in microbial landscapes Presenter : Livingston G., Fukumori K., Provete B.D., Kawachi M., Takamura N., Leibold A.M.Title : , Journal of Animal Ecology, 86(3):501-510 (2017) Original Paper Rediscovery of the species of ancestral Volvox : morphology and phylogenetic position of Pleodorina sphaerica (Volvocales, Chlorophyceae) from Thailand Presenter : Nozaki H., Mahakham W., Yamamoto K., Takusagawa M., Misumi O., Herron D.M., Rosenzweig F., Kawachi M.Title : , Phycologia, 56(4):469-475 (2017) Original Paper Application of cryopreservation to genetic analyses of a photosynthetic picoeukaryote community Presenter : Kawachi M., Kataoka T., Sato M., Noel Kawachi M., Kuwata A., Demura M., Yamaguchi H.Title : , Gene, 576(2):708-716 (2016) Original Paper Complete Genome Sequence of Cyanobacterium Leptolyngbya sp. NIES-3755 Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H., Eki T. , Kanesaki Y. Title : , Genome Announcements, 4(2):e00090-16 (2016) Original Paper Rapid ecotoxicological bioassay using delayed fluorescence in the marine cyanobacterium Cyanobium sp.(NIES-981) Presenter : Yamagishi T., Katsumata M, Yamaguchi H., Shimura Y., Kawachi M., Koshikawa H., Horie Y., Tatarazako N.Title : , Ecotoxicology, 25(10):1751-1758 (2016) Original Paper Unique chlorophylls in picoplankton Prochlorococcus sp.“Physicochemical properties of divinyl chlorophylls, and the discovery of monovinyl chlorophyll b as well as divinyl chlorophyll b in the species Prochlorococcus NIES-2086” Presenter : Komatsu H., Wada K., Kanjoh T., Miyashita H., Sato M., Kawachi M., Kobayashi M.Title : , Photosynthesis Research, 130(1):445-467 (2016) Original Paper Rapid Classification and Identification of Microcystis aeruginosa Strains Using MALDI&＃8211;TOF MS and Polygenetic Analysis Presenter : Sun L.W., Jiang W.J., Sato H., Kawachi M., Lu X.W.Title : , PloS one, 11(5):e0156275 (2016) Original Paper Complete genome sequence of cyanobacterium Nostoc sp. NIES-3756, a potentially useful strain for phytochrome-based bioengineering Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H. , Eki T., Kanesaki Y.Title : , Journal of Biotechnology, 218(20):51-52 (2016) Original Paper Complete genome sequence of cyanobacterium Fischerella sp. NIES-3754, providing thermoresistant optogenetic tools Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H. , Eki T., Kanesaki Y.Title : , Journal of Biotechnology, 220(20):45-46 (2016) Original Paper Mother Cell Wall Cleavage during Filament Formation in Stichococcus bacillaris (Trebouxiophyceae, Chlorophyta) Presenter : Yamamoto M., Handa S., Kawachi M., Miyamura S., Nagumo T., Hirata A., Kawano S.Title : , Cytologia, 81(1):35-39 (2016) Original Paper Draft genome sequence of Microcystis aeruginosa NIES-98, a non-microcystin-producing cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Sano T., Tanabe Y., Nakajima N., Kawachi M.Title : , Genome Announcements, 4(6):e01187-16  (2016) Original Paper Complete genome sequence of Cyanobium sp. NIES-981, a marine strain potentially useful for ecotoxicological bioassays Presenter : Yamaguchi H., Shimura Y., SUZUKI S, Yamagishi T., Tatarazako N., Kawachi M.Title : , Genome Announcements, 4(4):e00736-16 (2016) Original Paper Assessing depth-integrated phytoplankton biomass in the East China Sea using a unique empirical protocol to estimate euphotic depth Presenter : Koshikawa H., Higashi H., Hasegawa T., Nishiuch K., Sasaki H., Kawachi M., Kiyomoto Y., Takayanagi K., Kohata K., Murakami S.Title : , Estuarine, Coastal and Shelf Science, 153:74-85 (2015) Original Paper Plastid Genome-Based Phylogeny Pinpointed the Origin of the Green-Colored Plastid in the Dinoflagellate Lepidodinium chlorophorum Presenter : Kamikawa R., Tanifuj G., Kawachi M., Miyashita H. , Hashimoto T., Inagaki Y.Title : , Genome biology and evolution, 7(4):1133-1140 (2015) Original Paper Complete genome sequence of Microcystis aeruginosa NIES-2549, a bloom-forming cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Tanabe Y., Osana Y., Shimura Y., Ishida K., Kawachi M.Title : , Genome Announcements, 3(3):e00551-15 (2015) Original Paper Delineating a New Heterothallic Species ofVolvox (Volvocaceae, Chlorophyceae) Using New Strains of Volvox africanus Presenter : Nozaki H., Matsuzaki R., Yamamoto K., Kawachi M., Takahashi F.Title : , PloS one, 10(11):e0142632 (2015) Original Paper Comparison of the terrestrial cyanobacterium Leptolyngbya sp. NIES-2104 and the freshwater Leptolyngbya boryana PCC 6306 genomes Presenter : Shimura Y., Hirose Y., Misawa N., Osana Y., Katoh H., Yamaguchi H., Kawachi M.Title : , DNA Research, 22(6):403-412 (2015) Original Paper Molecular diversity of endosymbiotic Nephroselmis (Nephroselmidophyceae) in Hatena arenicola (Katablepharidophycota) Presenter : Yamaguchi H., Nakayama T., Hongoh Y., Kawachi M., Inouye I.Title : , Journal of Plant Research, 127(2):241-247 (2014) Original Paper Iron and glucose effects on the morphology of Botryococcus braunii with assumption on the colony formation variability Presenter : Tanoi T., Kawachi M., Watanabe M.Title : , Journal of Applied Phycology, 26(1):1-8 (2014) Other Publications Draft Genome Sequence of the Toxic Bloom-Forming Cyanobacterium Aphanizomenon flos-aquae NIES-81 Presenter : Cao H, Shimura Y., Kawachi M., Yin Y.Title : , Genome Announcements, 2(1):e00044-14 (2014) Original Paper Changes in Microbial Communities, Including both Uncultured and Culturable Bacteria, with Mid-Ocean Ballast-Water Exchange during a Voyage from Japan to Australia Presenter : Tomaru A., Kawachi M., Demura M., Fukuyo Y.Title : , PLOS ONE, 9(5):e96274 (2014) Original Paper Genetic structure of Japanese Chattonella marina (Raphidophyceae) populations revealed using microsatellite markers Presenter : Demura M., Nakayama T., Kasai F., Kawachi M.Title : , Phycological Research, 62(2):102-108 (2014) Review Microbial Culture Collection at the National Institute for Environmental Studies, Tsukuba, Japan Presenter : Kawachi M., Mary-Helene N.Title : , PICES Press, 22(2):43-45 (2014) Original Paper Desiccation tolerance of Botryococcus braunii (Trebouxiophyceae, Chlorophyta) and extreme temperature tolerance of dehydrated cells Presenter : Demura M., Ioki M., Kawachi M., Nakajima N., Watanabe M.Title : , Journal of Applied Phycology (2013) Original Paper Taxonomic re-examination of Chlamydomonas strains maintained in the NIES-Collection Presenter : Yumoto K., Kasai F., Kawachi M.Title : , Microbiology and Culture Collections, 29(1):1-12 (2013) Original Paper Discovery of an Endosymbiotic Nitrogen-Fixing Cyanobacterium UCYN-A in Braarudosphaera bigelowii (Prymnesiophyceae) Presenter : Hagino K., Onuma, Kawachi M., HoriguchiTitle : , PLOS ONE, 8(12):1-11 (2013) Original Paper Changes in the hydrocarbon-synthesizing activity during growth of Botryococcus braunii B70 Presenter : Rika Niitsu, Mana Kanazashi, Izumi Matsuwaki, Yukiko Ikegami, Tanoi T., Kawachi M., Makoto Watanabe, Misako KatoTitle : , Bioresource Technology, 109:297-299 (2012) Original Paper Evidence of the existence of a toxic form of Cylindrospermopsis raciborskii (Nostocales, Cyanobacteria) in Japan Presenter : Saghar Z. , Kawachi M., Sano T., Watanabe M.M.Title : , Phycological Research, 60(2):98-104 (2012) Original Paper Succession of genetic diversity of Botryococcus braunii (Trebouxiophyceae) in two Japanese reservoirs Presenter : Demura M., Kawachi M., Koshikawa H., Nakayama T., Mayuzumi Y., Watanabe M.M.Title : , Procedia Environmental Sciences, 15:3-11 (2012) Original Paper Application of rotating cylinder method for ecotoxicological evaluation of antifouling paints Presenter : Okamura H., Yagi M., Kawachi M., Hanyuda T., Kawai H., Walker I.Title : , Toxicological & Environmental Chemistry, 94(3):545-556 (2012) Original Paper Relationship between hydrocarbons and molecular phylogeny of Botryococcus braunii Presenter : Kawachi M., Tanoi T., Demura M., Kaya K., Watanabe M.Title : , Algal Research, 1(2):114-119 (2012) Original Paper Prasinoxanthin is absent in the green-colored dinoflagellate Lepidodinium chlorophorum strain NIES-1868: pigment composition and 18S rRNA phylogeny Presenter : Matsumoto T., Kawachi M., Miyashita H., Inagaki Y.Title : , Journal of plant research, 125:705-711 (2012) Original Paper Life cycle of Chattonella marina (Raphidophyceae) inferred from analysis of microsatellite marker genotypes Presenter : Demura M., Mary-helene N., Kasai F., Watanabe M., Kawachi M.Title : , Phycological Research, 60(4):316-325 (2012) Original Paper Structural Confirmation of a Unique Carotenoid Lactoside, P457, in Symbiodinium sp. Strain nbrc 104787 Isolated from a Sea Anemone and its Distribution in Dinoflagellates and Various Marine Organisms Presenter : Wakahama T., Laza-Mart&＃305;´nez A., Taha A. , Okuyama H., Yoshida K., Kogame K., Awai K., Kawachi M., Maoka T. , Takaichi S.Title : , Journal of Phycology, 48(6):1392-1402 (2012) Original Paper Effects of carbon source on growth and morphology of Botryococcus braunii Presenter : Tanoi T., Kawachi M., Watanabe MTitle : , Journal of Applied Phycology , 23(1):25-33 (2011) Original Paper Whole-genome amplification(WGA)of marine photosynthetic eukaryote populations Presenter : Cecile Lepere, Demura M., Kawachi M., Sarah Romac, Ian ProbertTitle : , Federation of European Microbiological Societies, 76:513-523 (2011) Original Paper Green-colored Plastids in the Dinoflagellate Genus Lepidodinium are of Core Chlorophyte Origin Presenter : Matsumoto T., Shinozaki F., Chikuni T., Yabuki A., Takishita K., Kawachi M., Nakayama T., Inouye I., Hashimoto T., Inagaki Y.Title : , Protist, 162(2):268-276 (2011) Original Paper Denaturing gradient gel electrophoresis shows that bacterial communities change with mid-ocean ballast water exchange Presenter : Tomaru A., Kawachi M., Demura M., Fukuyo Y.Title : , Mar.Pollut.Bull., 60(2):299-302 (2010) Original Paper Taxonomic reexamination of Chara flobularis(Charales, Charophyceae) from Japan based on oospore morphology and rbcL gene sequences, and the descriotion of C.leptospora sp.nov. Presenter : Sakayama H., Kasai F., Nozaki H., Watanabe M. M., Kawachi M., Shigyo M. , Nishihiro M., Washitani I., Krienitz L., Ito M.Title : , J.Phycol., 45(4):917-927 (2009) Original Paper Endangered algal species and how to protect them Presenter : Brodie J, Andersen R.A., Kawachi M., Millar A.J.K.Title : , Phycologia, 48(5):423-438 (2009) Original Paper Taxonomic revision of Chattonella antiqua, C. marina and C. ovata (Raphidophyceae) based on their morphological characteristics and genetic diversity Presenter : Demura M., Mary-helene N., Kasai F., Watanabe M.M., Kawachi M.Title : , Phycologia, 48(6):518-535 (2009) Original Paper Origins of plastids and glyceraldehyde-3-phosphate dehydrogenase genes in the green-colored dinoflagellate Lepidodinium chlorophorum Presenter : Takishita K., Kawachi M., Mary-helene N., Matsumoto T., Kakizoe N., Watanabe M.M., Inouye I.., Ishida K.-I., Hashimoto T., Inagaki Y.Title : , Gene, 410(1):26-36 (2008) Seasonality of gametophyte occurrence,maturation and fertilization of the freshwater red alga Thorea okadae(Thoreales,Rhodophyta) in the Kikuchi River,Japan Presenter : , , KAWACHI MasanobuTitle : , Phycologia, 46:160-167 (2007) Effect of the water-soluble fraction of diesel oil on bacterial and primary production and the trophic transfer to mesozooplankton through a microbial food web in Yangtze estuary,China Presenter : KAWACHI Masanobu, , , MAKI Hideaki, KOSHIKAWA HiroshiTitle : , Estuar.,Coast.Shelf Sci., 71:68-80 (2007) Genetic combinations of symbionts in a vegetatively reproducing lichen,Parmotrema tinctorum,based on ITS rDNA sequences Presenter : , KAWACHI MasanobuTitle : , Bryologist, 109(1):43-59 (2006) Original Paper Ultrastructural evidences of growth inhibitory effects of a novel biocide, Akacid rplus, on an aflatoxigenic Aspergillus parasiticus Presenter : Razzaghi-Abyaneh M., Shams-Ghahfarokhi M., Kawachi M., Eslamifar A., Schmidt O., Schmidt A., Allameh A., Yoshinari T.Title : , Toxicon, 48(8):1075-1082 (2006) Morphology,genetic diversity,temperature tolerance and toxicity of Cylindrospermopsis raciborskii(Nostocales,Cyanobacteria)strains from Thailand and Japan Presenter : , KAWACHI MasanobuTitle : , FEMS Ecol., 48:345-355 (2004) Original Paper Induced dimorphic life cycle of a coccolithophorid, Calyptrosphaera sphaeroidea (Prymnesiophyceae, Haptophyta) Presenter : Noel, M.-H., Kawachi M., Inouye I.Title : , J.Phycol., 40(1):112-129 (2004) New records of rare species of three bivalves and one crab from the estuary of the Tagori River,Saga Prefecture,Ariake Inland Sea,Japan Presenter : Koga T., Satake K., Yabe T., Nohara S., Ueno R., Utagawa H., Hiroki M., Kawachi M., Watanabe M.M.Title : , Yuriyagai, 9(2):43-50 (2003) Original Paper Re-examination of the marine"chrysophyte"Polypodochrysis teissieri (Pinguiophyceae) Presenter : Kawachi M., Noel, M.-H., Andersen R.A.Title : , Phycol.Res., 50(1):91-100 (2002) Intracellular localization of a carbonic anhydrase in Porphyridium purpureum(Porphyridiales,Rhodophyta) Presenter : Mitsuhashi S.(*1), Kawachi M., Kurano N.(*1), Miyachi S.(*1)Title : , Phycologia, 40(4):319-323 (2001) Molecular phylogeny of the haptophyta based on the rbcL gene and sequence variation on the spacer region of the rubisco operon Presenter : Fujiwara S.(*1), Tsuzuki M.(*1), Kawachi M., Minaka N.(*2), Inouye I.(*3)Title : , J.Phycol., 37(1):121-129 (2001) Taxonomy and the phylogenetic position of a new prasinophycean alga,Crustomastix didyma gen.& sp.nov.(Chlorophyta) Presenter : KAWACHI Masanobu, NAKAYAMA TadanobuTitle : , Phycologia, 39(4):337‐348 (2000) Ultrastructure of Calyptrosphaera radiata,sp.nov.(Prymnesiophyceae,Haptophyta) Presenter : KAWACHI MasanobuTitle : , Eur.J.Phycol., 35:283‐293 (2000) Diversity of swimming behavior in Pyramimonas(Prasinophyceae) Presenter : KAWACHI MasanobuTitle : , Phycol.Res., 48(3):149‐154 (2000) View all Close Cryopreservation of two species of the multicellular volvocine green algal genus Astrephomene Presenter : Nozaki H., Mori F., Tanaka Y., Matsuzaki R., Yamashita S., Yamaguchi H., Kawachi M.Title : , BMC Microbiology, 23(16): (2023) Genomic analysis of an ultrasmall freshwater green alga, Medakamo hakoo Presenter : Kato S., Misumi O., Maruyama S., Nozaki H., Tsujimoto-Inui Y., Takusagawa M., Suzuki S., Kuwata K., Noda S., Ito N., Okabe Y., Sakamoto T., Yagisawa F., Matsunaga T.M., Matsubayashi Y., Yamaguchi H., Kawachi M., Kuroiwa H.Title : , communications biology, 6(1): (2023) Cryopreservation of eight genera of the multicellular volvocine green algae Presenter : Mori F., Tanaka Y., Matsuzaki R., Nozaki H., Yamaguchi H., Kawachi M.Title : , Microbial Resources and Systematics, 39(2):77-87 (2023) Propidium iodide staining and flow cytometry-based assessment of heavy metal impact on marine phytoplankton Presenter : Ota S., Fuchida S., Yamaguchi H., Yamagishi T., Yamamoto H., Koshikawa H., Kawachi M.Title : , Cytologia, 87(2):177-187 (2022) Cryopreservation of vegetative cells and zygotes of the multicellular volvocine green alga Gonium pectorale Presenter : Nozaki H., Mori F., Tanaka Y., Matsuzaki R., Yamaguchi H., Kawachi M.Title : , BMC Microbiology, 22(103): (2022) The early acquisition of symbiotic algae benefits larval survival and juvenile growth in the coral Acropora tenuis Presenter : Hazraty-Kari S., Morita M., Kawachi M., Harii S.Title : , Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 337(5):559-565 (2022) Potential genetic diversity of Synechococcus-related strains maintained in the Microbial Culture Collection of the National Institute for Environmental Studies, Japan Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Microbial Resources and Systematics, 38(2):63-74 (2022) Morphology, mating system and taxonomy of Volvox africanus (Volvocaceae, Chlorophyceae) from Thailand Presenter : Nozaki H., Mahakham W., Heman W., Matsuzaki R., Kawachi M.Title : , Botanical Studies, 63(1): (2022) Rapid transcriptomic and physiological changes in the freshwater pennate diatom Mayamaea pseudoterrestris in response to copper exposure Presenter : Suzuki S., Ota S., Yamagishi T., Tuji A., Yamaguchi H., Kawachi M.Title : , DNA Research, 29(6):1-12 (2022) The Rubisco small subunits in the green algal genus Chloromonas provide insights into evolutionary loss of the eukaryotic carbon-concentrating organelle, the pyrenoid Presenter : Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Kanesaki Y., Yoshikawa H., Mori T., Nozaki H.Title : , BMC Ecology and Evolution, 21:11 (2021) Complete sequence and structure of the genome of the harmful algal bloom-forming cyanobacterium Planktothrix agardhii NIES-204T and detailed analysis of secondary metabolite gene clusters Presenter : Shimura Y., Fujisawa T., Hirose Y., Misawa N., Kanesaki Y., Nakamura Y., Kawachi M.Title : , Harmful Algae, 101: (2021) Development of a time-series shotgun metagenomics database for monitoring microbial communities at the Pacific coast of Japan Presenter : Yoshitake K., Kimura G., Sakami T., Watanabe T., Taniuchi Y., Kakehi S., Kuwata A., Yamaguchi H., Kataoka T. , Kawachi M., Ikeho K., Tan E., Igarashi Y., Ohtsubo M., Watanabe S., Suzuki Y. , Asakawa S., Ishino S., Tashiro K. , Ishino Y., Kobayashi T., Mineta K., Gojobori T.Title : , Scientific Reports volume, 11:12222 (2021) The enigmatic snow microorganism, Chionaster nivalis, is closely related to Bartheletia paradoxa (Agaricomycotina, Basidiomycota) Presenter : Matsuzaki R., Takashima Y., Suzuki I., Kawachi M., Nozaki H., Nohara S., Degawa Y.Title : , Microbes and Environments, 36(2): (2021) Identification of a dual orange/far-red and blue light photoreceptor from an oceanic green picoplankton Presenter : Makita Y., Suzuki S., Fushimi K., Shimada S., Suehisa A., Hirata M., Kuriyama T., Kurihara Y., Hamasaki H., Okubo-Kurihara E., Yoshitake K., Watanabe T., Sakuta M., Gojobori T., Sakami T., Narikawa R., Yamaguchi H., Kawachi M., Matsui M.Title : , Nature Communications, 12(1):3593 (2021) Kinetic investigation of galvanic dissolution of ZnS and PbS with FeS2 from hydrothermal sulfides in seawater Presenter : Fuchida S., Kawachi M., Koshikawa H.Title : , Applied Geochemistry, 129: (2021) Three genomes in the algal genus Volvox reveal the fate of a haploid sex-determining region after a transition to homothallism Presenter : Yamamoto K., Hamaji T., Kawai-Toyooka H., Matsuzaki K., Takahashi F., Nishimura Y., Kawachi M., Noguchi H. , Minakuchi Y., Umeh J.G., Toyoda. A., Nozaki H.Title : , Proceedings of the National Academy of Sciences, 118(21): (2021) Rappemonads are haptophyte phytoplankton Presenter : Kawachi M., Nakayama T., Kayama M., Nomura M., Miyashita H., Bojo O., Rhodes L., Sym, S., Pienaar R. N., Probert I., Inouye I., Kamikawa R.Title : , Current Biology, 31(11):2395-2403 (2021) Unstable Relationship Between Braarudosphaera bigelowii (= Chrysochromulina parkeae) and Its Nitrogen-Fixing Endosymbiont Presenter : Suzuki S., Kawachi M., Tsukakoshi C., Nakamura A., Hagino K., Inouye I., Ishida K.Title : , Frontiers in Plant Science, 12: (2021) Genome sequencing of the NIES Cyanobacteria collection with a focus on the heterocyst-forming clade Presenter : Hirose Y., Ohtsubo Y., Misawa N., Yonekawa C., Nagao N., Shimura Y., Fujisawa T., Kanesaki Y., Katoh H., Katayama M., Yamaguchi H., Yoshikawa H., Ikeuchi M., Eki T., Nakamura Y., Kawachi M.Title : , DNA Research, 28(6):dsab024 (2021) Genome sequencing of the multicellular alga Astrephomene provides insights into convergent evolution of germ-soma differentiation Presenter : Yamashita S., Yamamoto K., Matsuzaki R., Suzuki S., Yamaguchi H., Hirooka S., Minakuchi Y., Miyagishima S., Kawachi M., Toyoda A., Nozaki H.Title : , Scientific Reports, 11(22231): (2021) Differential heavy metal sensitivity in seven algal species from the NIES culture collection based on delayed fluorescence assays Presenter : Ota S., Yamaguchi H., Vanel F., Fuchida S., Koshikawa H., Yamagishi T., Yamamoto H., Kawachi M.Title : , Phycological Research, 68(1):41-49 (2020) Genomic characteristics of the toxic bloom-forming cyanobacterium Microcystis aeruginosa NIES-102 Presenter : Yamaguchi H., Suzuki S., Osana Y., Kawachi M.Title : , Journal of Genomics, 8:1-6 (2020) Draft genome sequences of four Microcystis aeruginosa strains (NIES-3787, NIES-3804, NIES-3806, and NIES-3807) isolated from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Microbiology Resource Announcements, 9(14):00052-20 (2020) Sexual reproduction of the snow alga Chloromonas fukushimae (Volvocales, Chlorophyceae) induced using cultured materials Presenter : Matsuzaki R., Kawachi M., Nozaki H., Nohara S., Suzuki I.Title : , PLoS One, 15(8): (2020) The Trait Repertoire Enabling Cyanobacteria to Bloom Assessed through Comparative Genomic Complexity and Metatranscriptomics Presenter : Cao H., Shimura Y., Steffen M.M., Yang Z. , Lu J., Joel A. , Jenkins L. , Kawachi M., Yin Y. , Garcia-Pichel F.Title : , American Society for Microbiology, 11(3):1-14 (2020) A new preferentially outcrossing monoicous species of Volvox sect. Volvox (Chlorophyta) from Thailand Presenter : Nozaki H., Mahakham W., Heman , Matsuzaki R., Kawachi M.Title : , PloS one, 15(7): (2020) Comparative genome analysis of test algal strain NIVA-CHL1 (Raphidocelis subcapitata) maintained in microalgal culture collections worldwide Presenter : Yamagishi T., Yamaguchi H., Suzuki S., Yoshikawa M. , Jameson I., Lorenz M., Nobles D.R., Campbell C., Seki M., Kawachi M., Yamamoto H.Title : , PLOS ONE, 15(11):e0241889 (2020) A New Dinoflagellate Genome Illuminates a Conserved Gene Cluster Involved in Sunscreen Biosynthesis Presenter : Shoguchi E., Beedessee G., Hisata K., Tada I., Narisoko H., Satoh N., Kawachi M., Shinzato C.Title : , Genome Biology and Evolution, 13(2):1-7 (2020) Taxonomic re-examination of Chloromonas nivalis (Volvocales, Chlorophyceae) zygotes from Japan and description of C. muramotoi sp. nov. Presenter : Matsuzaki R., Nozaki H., Takeuchi N., Hara Y., Kawachi M.Title : , PLoS one, 14(1):e0210986 (2019) Taxonomic re-examination of two NIES strains of “Chlamydomonas” within the Reticulata group of the genus Chloromonas (Volvocales, Chlorophyceae) Presenter : Makino T., Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Nozaki H.Title : , Microbial Resources and Systematics, 35(1):13-23 (2019) Short-Term changes in marine prokaryotic and eukaryotic microalgal communities exposed to the leachate of a seafloor hydrothermal sulfide Presenter : Tsuboi S., Yamaguchi H., Fuchida S., Koshikawa H., Kawachi M.Title : , Water, Air, & Soil Pollution, 230(8):175 (2019) The Draft Genome of a Hydrogen-producing Cyanobacterium, Arthrospira platensis NIES-46 Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Journal of Genomics, 7:56-59 (2019) Depth-dependent transcriptomic response of diatoms during spring bloom in the western subarctic Pacific Ocean Presenter : Suzuki S., Kataoka T., Watanabe T., Yamaguchi H., Kuwata A., Kawachi M.Title : , Scientific Reports, 9(1):14559 (2019) Morphological and molecular identification of the dioecious “African species Volvox rousseletii (Chlorophyceae) in the water column of a Japanese lake based on field-collected and cultured materials Presenter : Kimbara R., Isaka N., Matsuzaki R., Kawai-Toyooka H., Kawachi M., Nozaki H.Title : , PLOS ONE, 14(8):1-11 (2019) Identification of 13 Spirogyra species (Zygnemataceae) by traits of sexual reproduction induced under laboratory culture conditions Presenter : Takano T., Higuchi S., Ikegaya H., Matsuzaki R., Kawachi M., Takahashi F., Nozaki H.Title : , Scientific reports, 9(1):7458 (2019) Chrysochromulina andersonii sp. nov. (Prymnesiophyceae), a new flagellate haptophyte symbiotic with radiolarians Presenter : Yuasa T., Kawachi M., Horiguchi T., Takahashi O.Title : , Phycologia, 58(2):211-224 (2019) Morphology, reproduction and taxonomy of Volvox dissipatrix (Chlorophyceae) from Thailand, with a description of Volvox zeikusii sp. nov. Presenter : Nozaki H., Takusagawa M., Misumi O., Mahakham W., Kawachi M.Title : , Phycologia, 58(2):192-199 (2019) A novel salt-tolerant genotype illuminates the sucrose gene evolution in freshwater bloom-forming cyanobacterium Microcystis aeruginosa Presenter : Tanabe Y., Yamaguchi H., Sano T., Kawachi M.Title : , FEMS Microbiology Letters, 366(15):fnz190 (2019) Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth Presenter : Kashiyama Y., Yokoyama A., Shiratori T., Hess S., Not F., Bachy C., Gutierrez-Rodriguez, Kawahara J., Suzaki T., Nakazawa M., Ishikawa T., Maruyama M., Wang M., Chen M. , Gong Y., Seto K., Kagami M., Hamamoto Y., Honda D., Umetani T., Shihongi A., Kayama M., Matsuda T., Taira J., Yabuki A., Tsuchiya M., Hirakawa Y., Kawachichi A., Nomura M., Nakamura A., Namba N., Matsumoto M. , Tanaka T., Yoshino T., Higuchi R., Yamamoto A., Maruyama T., Yamaguchi A., Uzuka A., Miyagishima S., Tanifuji G., Kawachi M., Kinoshita Y., Tamiaki H.Title : , The ISME Journal, (13):1899-1910 (2019) Photobiont diversity within populations of a vegetatively reproducing lichen, Parmotrema tinctorum, can be generated by photobiont switching Presenter : Ohmura Y., Takeshita S., Kawachi M.Title : , Symbiosis, 77(1):59-72 (2019) Morphology, phylogeny, and taxonomy of two species of colonial volvocine green algae from Lake Victoria, Tanzania Presenter : Nozaki H., Matsuzaki R., Kashindye B.B., Ezekiel C.N., Shaban S., Kawachi M., Aibara M., Nikaido M.Title : , PLoS One, 14(11):e0224269 (2019) Improved draft genome sequence of Microcystis aeruginosa NIES-298, a microcystin-producing cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Genome Announcements, 6:e01551-17 (2018) Draft Genome Sequence of Microcystis aeruginosa NIES-87, a Bloom-Forming Cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Genome Announcements, 6:e01596-17 (2018) Complete genome sequence of Microcystis aeruginosa NIES-2481 and common genomic features of group G M. aeruginosa Presenter : Yamaguchi H., Suzuki S., Kawachi M.Title : , Journal of Genomics., 6:30-33 (2018) Morphology, taxonomy and mating-type loci in natural populations of Volvox carteri in Taiwan Presenter : Nozaki H., Ueki N., Takusagawa M., Yamashita S., Misumi O., Matsuzaki R., Kawachi M., Chiang Y.R., Wu J.T.Title : , Botanical studies, 59(1):1-8 (2018) Taxonomic revision of Chloromonas nivalis (Volvocales, Chlorophyceae) strains, with the new description of two snow-inhabiting Chloromonas species Presenter : Matsuzaki R., Nozaki H., Kawachi M.Title : , PLOS ONE, 13(3):e0193603 (2018) Raphidocelis subcapitata (=Pseudokirchneriella subcapitata) provides an insight into genome evolution and environmental adaptations in the Sphaeropleales Presenter : Suzuki S., Yamaguchi H., Nakajima N., Kawachi M.Title : , Scientific Reports, 8(1):8058 (2018) Onboard experiment investigating metal leaching of fresh hydrothermal sulfide cores into seawater Presenter : Fuchida S., Ishibashi J., Shimada K., Nozaki T., Kumagai H., Kawachi M., Matsushita Y., Koshikawa H.Title : , Geochemical Transaction, 19(15): (2018) Two divergent Symbiodinium genomes reveal conservation of a gene cluster for sunscreen biosynthesis and recently lost genes Presenter : Shoguchi E., Beedessee G., Tada I., Hisata K., Kawashima T. , Takeuchi T., Arakaki N. , Fujie M., Koyanagi R., Roy M.C., Kawachi M., Hidaka M., Satoh N., Shinzato C.Title : , BMC genomics, 19(1):1-11 (2018) Photobiont diversity within populations of a vegetatively reproducing lichen, Parmotrema tinctorum, can be generated by photobiont switching Presenter : Ohmura Y., Takeshita S., Kawachi M.Title : , Symbiosis (2018) Identification and detection sensitivity of Microcystis aeruginosa from mixed and field samples using MALDI-TOF MS Presenter : Sun L.-W., Jiang W.-J., Zhang J.-Y., Wang W.-Q., Du Y., Sato H., Kawachi M., Yu R.Title : , Environmental Monitoring and Assessment, 190(12):712 (2018) Seasonal and geographical distribution of near-surface small photosynthetic eukaryotes in the western North Pacific determined by pyrosequencing of 18S rDNA Presenter : Kataoka T., Yamaguchi H., Sato M., Watanabe T., Taniuchi Y., Kuwata A., Kawachi M.Title : , FEMS Microbiology Ecology, 93:fiw229 (2017) Leaching of metals and metalloids from hydrothermal ore particulates and their effects on marine phytoplankton Presenter : Fuchida S., Yokoyama A., Fukuchi R., Ishibashi J., Kawagucci S., Kawachi M., Koshikawa H.Title : , ACS Omega, 2(7):3175-3182 (2017) Complete genome sequence of a coastal cyanobacterium, Synechococcus sp. strain NIES-970 Presenter : Shimura Y., Hirose Y. , Misawa N., Wakazuki S., Fujisawa T., Nakamura Y., Kanesaki Y., Yamaguchi H., Kawachi M.Title : , Genome Announcements, 5(14):e00139-17 (2017) Fatty acid composition profiles of 235 strains of three microalgal divisions within the NIES Microbial Culture Collection Presenter : Mitani E., Nakayama F., Matsuwaki I., Ichi I., Kawabata A., Kawachi M., Kato M.Title : , Microbial Resources and Systematics, 33(1):19-29 (2017) Predators regulate prey species sorting and spatial distribution in microbial landscapes Presenter : Livingston G., Fukumori K., Provete B.D., Kawachi M., Takamura N., Leibold A.M.Title : , Journal of Animal Ecology, 86(3):501-510 (2017) Rediscovery of the species of ancestral Volvox : morphology and phylogenetic position of Pleodorina sphaerica (Volvocales, Chlorophyceae) from Thailand Presenter : Nozaki H., Mahakham W., Yamamoto K., Takusagawa M., Misumi O., Herron D.M., Rosenzweig F., Kawachi M.Title : , Phycologia, 56(4):469-475 (2017) Application of cryopreservation to genetic analyses of a photosynthetic picoeukaryote community Presenter : Kawachi M., Kataoka T., Sato M., Noel Kawachi M., Kuwata A., Demura M., Yamaguchi H.Title : , Gene, 576(2):708-716 (2016) Complete Genome Sequence of Cyanobacterium Leptolyngbya sp. NIES-3755 Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H., Eki T. , Kanesaki Y. Title : , Genome Announcements, 4(2):e00090-16 (2016) Rapid ecotoxicological bioassay using delayed fluorescence in the marine cyanobacterium Cyanobium sp.(NIES-981) Presenter : Yamagishi T., Katsumata M, Yamaguchi H., Shimura Y., Kawachi M., Koshikawa H., Horie Y., Tatarazako N.Title : , Ecotoxicology, 25(10):1751-1758 (2016) Unique chlorophylls in picoplankton Prochlorococcus sp.“Physicochemical properties of divinyl chlorophylls, and the discovery of monovinyl chlorophyll b as well as divinyl chlorophyll b in the species Prochlorococcus NIES-2086” Presenter : Komatsu H., Wada K., Kanjoh T., Miyashita H., Sato M., Kawachi M., Kobayashi M.Title : , Photosynthesis Research, 130(1):445-467 (2016) Rapid Classification and Identification of Microcystis aeruginosa Strains Using MALDI&＃8211;TOF MS and Polygenetic Analysis Presenter : Sun L.W., Jiang W.J., Sato H., Kawachi M., Lu X.W.Title : , PloS one, 11(5):e0156275 (2016) Complete genome sequence of cyanobacterium Nostoc sp. NIES-3756, a potentially useful strain for phytochrome-based bioengineering Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H. , Eki T., Kanesaki Y.Title : , Journal of Biotechnology, 218(20):51-52 (2016) Complete genome sequence of cyanobacterium Fischerella sp. NIES-3754, providing thermoresistant optogenetic tools Presenter : Hirose Y., Fujisawa T., Ohtsubo Y., Katayama M., Misawa N., Wakazuki S., Shimura Y., Nakamura Y., Kawachi M., Yoshikawa H. , Eki T., Kanesaki Y.Title : , Journal of Biotechnology, 220(20):45-46 (2016) Mother Cell Wall Cleavage during Filament Formation in Stichococcus bacillaris (Trebouxiophyceae, Chlorophyta) Presenter : Yamamoto M., Handa S., Kawachi M., Miyamura S., Nagumo T., Hirata A., Kawano S.Title : , Cytologia, 81(1):35-39 (2016) Draft genome sequence of Microcystis aeruginosa NIES-98, a non-microcystin-producing cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Sano T., Tanabe Y., Nakajima N., Kawachi M.Title : , Genome Announcements, 4(6):e01187-16  (2016) Complete genome sequence of Cyanobium sp. NIES-981, a marine strain potentially useful for ecotoxicological bioassays Presenter : Yamaguchi H., Shimura Y., SUZUKI S, Yamagishi T., Tatarazako N., Kawachi M.Title : , Genome Announcements, 4(4):e00736-16 (2016) Assessing depth-integrated phytoplankton biomass in the East China Sea using a unique empirical protocol to estimate euphotic depth Presenter : Koshikawa H., Higashi H., Hasegawa T., Nishiuch K., Sasaki H., Kawachi M., Kiyomoto Y., Takayanagi K., Kohata K., Murakami S.Title : , Estuarine, Coastal and Shelf Science, 153:74-85 (2015) Plastid Genome-Based Phylogeny Pinpointed the Origin of the Green-Colored Plastid in the Dinoflagellate Lepidodinium chlorophorum Presenter : Kamikawa R., Tanifuj G., Kawachi M., Miyashita H. , Hashimoto T., Inagaki Y.Title : , Genome biology and evolution, 7(4):1133-1140 (2015) Complete genome sequence of Microcystis aeruginosa NIES-2549, a bloom-forming cyanobacterium from Lake Kasumigaura, Japan Presenter : Yamaguchi H., Suzuki S., Tanabe Y., Osana Y., Shimura Y., Ishida K., Kawachi M.Title : , Genome Announcements, 3(3):e00551-15 (2015) Delineating a New Heterothallic Species ofVolvox (Volvocaceae, Chlorophyceae) Using New Strains of Volvox africanus Presenter : Nozaki H., Matsuzaki R., Yamamoto K., Kawachi M., Takahashi F.Title : , PloS one, 10(11):e0142632 (2015) Comparison of the terrestrial cyanobacterium Leptolyngbya sp. NIES-2104 and the freshwater Leptolyngbya boryana PCC 6306 genomes Presenter : Shimura Y., Hirose Y., Misawa N., Osana Y., Katoh H., Yamaguchi H., Kawachi M.Title : , DNA Research, 22(6):403-412 (2015) Molecular diversity of endosymbiotic Nephroselmis (Nephroselmidophyceae) in Hatena arenicola (Katablepharidophycota) Presenter : Yamaguchi H., Nakayama T., Hongoh Y., Kawachi M., Inouye I.Title : , Journal of Plant Research, 127(2):241-247 (2014) Iron and glucose effects on the morphology of Botryococcus braunii with assumption on the colony formation variability Presenter : Tanoi T., Kawachi M., Watanabe M.Title : , Journal of Applied Phycology, 26(1):1-8 (2014) Changes in Microbial Communities, Including both Uncultured and Culturable Bacteria, with Mid-Ocean Ballast-Water Exchange during a Voyage from Japan to Australia Presenter : Tomaru A., Kawachi M., Demura M., Fukuyo Y.Title : , PLOS ONE, 9(5):e96274 (2014) Genetic structure of Japanese Chattonella marina (Raphidophyceae) populations revealed using microsatellite markers Presenter : Demura M., Nakayama T., Kasai F., Kawachi M.Title : , Phycological Research, 62(2):102-108 (2014) Desiccation tolerance of Botryococcus braunii (Trebouxiophyceae, Chlorophyta) and extreme temperature tolerance of dehydrated cells Presenter : Demura M., Ioki M., Kawachi M., Nakajima N., Watanabe M.Title : , Journal of Applied Phycology (2013) Taxonomic re-examination of Chlamydomonas strains maintained in the NIES-Collection Presenter : Yumoto K., Kasai F., Kawachi M.Title : , Microbiology and Culture Collections, 29(1):1-12 (2013) Discovery of an Endosymbiotic Nitrogen-Fixing Cyanobacterium UCYN-A in Braarudosphaera bigelowii (Prymnesiophyceae) Presenter : Hagino K., Onuma, Kawachi M., HoriguchiTitle : , PLOS ONE, 8(12):1-11 (2013) Changes in the hydrocarbon-synthesizing activity during growth of Botryococcus braunii B70 Presenter : Rika Niitsu, Mana Kanazashi, Izumi Matsuwaki, Yukiko Ikegami, Tanoi T., Kawachi M., Makoto Watanabe, Misako KatoTitle : , Bioresource Technology, 109:297-299 (2012) Evidence of the existence of a toxic form of Cylindrospermopsis raciborskii (Nostocales, Cyanobacteria) in Japan Presenter : Saghar Z. , Kawachi M., Sano T., Watanabe M.M.Title : , Phycological Research, 60(2):98-104 (2012) Succession of genetic diversity of Botryococcus braunii (Trebouxiophyceae) in two Japanese reservoirs Presenter : Demura M., Kawachi M., Koshikawa H., Nakayama T., Mayuzumi Y., Watanabe M.M.Title : , Procedia Environmental Sciences, 15:3-11 (2012) Application of rotating cylinder method for ecotoxicological evaluation of antifouling paints Presenter : Okamura H., Yagi M., Kawachi M., Hanyuda T., Kawai H., Walker I.Title : , Toxicological & Environmental Chemistry, 94(3):545-556 (2012) Relationship between hydrocarbons and molecular phylogeny of Botryococcus braunii Presenter : Kawachi M., Tanoi T., Demura M., Kaya K., Watanabe M.Title : , Algal Research, 1(2):114-119 (2012) Prasinoxanthin is absent in the green-colored dinoflagellate Lepidodinium chlorophorum strain NIES-1868: pigment composition and 18S rRNA phylogeny Presenter : Matsumoto T., Kawachi M., Miyashita H., Inagaki Y.Title : , Journal of plant research, 125:705-711 (2012) Life cycle of Chattonella marina (Raphidophyceae) inferred from analysis of microsatellite marker genotypes Presenter : Demura M., Mary-helene N., Kasai F., Watanabe M., Kawachi M.Title : , Phycological Research, 60(4):316-325 (2012) Structural Confirmation of a Unique Carotenoid Lactoside, P457, in Symbiodinium sp. Strain nbrc 104787 Isolated from a Sea Anemone and its Distribution in Dinoflagellates and Various Marine Organisms Presenter : Wakahama T., Laza-Mart&＃305;´nez A., Taha A. , Okuyama H., Yoshida K., Kogame K., Awai K., Kawachi M., Maoka T. , Takaichi S.Title : , Journal of Phycology, 48(6):1392-1402 (2012) Effects of carbon source on growth and morphology of Botryococcus braunii Presenter : Tanoi T., Kawachi M., Watanabe MTitle : , Journal of Applied Phycology , 23(1):25-33 (2011) Whole-genome amplification(WGA)of marine photosynthetic eukaryote populations Presenter : Cecile Lepere, Demura M., Kawachi M., Sarah Romac, Ian ProbertTitle : , Federation of European Microbiological Societies, 76:513-523 (2011) Green-colored Plastids in the Dinoflagellate Genus Lepidodinium are of Core Chlorophyte Origin Presenter : Matsumoto T., Shinozaki F., Chikuni T., Yabuki A., Takishita K., Kawachi M., Nakayama T., Inouye I., Hashimoto T., Inagaki Y.Title : , Protist, 162(2):268-276 (2011) Denaturing gradient gel electrophoresis shows that bacterial communities change with mid-ocean ballast water exchange Presenter : Tomaru A., Kawachi M., Demura M., Fukuyo Y.Title : , Mar.Pollut.Bull., 60(2):299-302 (2010) Taxonomic reexamination of Chara flobularis(Charales, Charophyceae) from Japan based on oospore morphology and rbcL gene sequences, and the descriotion of C.leptospora sp.nov. Presenter : Sakayama H., Kasai F., Nozaki H., Watanabe M. M., Kawachi M., Shigyo M. , Nishihiro M., Washitani I., Krienitz L., Ito M.Title : , J.Phycol., 45(4):917-927 (2009) Endangered algal species and how to protect them Presenter : Brodie J, Andersen R.A., Kawachi M., Millar A.J.K.Title : , Phycologia, 48(5):423-438 (2009) Taxonomic revision of Chattonella antiqua, C. marina and C. ovata (Raphidophyceae) based on their morphological characteristics and genetic diversity Presenter : Demura M., Mary-helene N., Kasai F., Watanabe M.M., Kawachi M.Title : , Phycologia, 48(6):518-535 (2009) Origins of plastids and glyceraldehyde-3-phosphate dehydrogenase genes in the green-colored dinoflagellate Lepidodinium chlorophorum Presenter : Takishita K., Kawachi M., Mary-helene N., Matsumoto T., Kakizoe N., Watanabe M.M., Inouye I.., Ishida K.-I., Hashimoto T., Inagaki Y.Title : , Gene, 410(1):26-36 (2008) Ultrastructural evidences of growth inhibitory effects of a novel biocide, Akacid rplus, on an aflatoxigenic Aspergillus parasiticus Presenter : Razzaghi-Abyaneh M., Shams-Ghahfarokhi M., Kawachi M., Eslamifar A., Schmidt O., Schmidt A., Allameh A., Yoshinari T.Title : , Toxicon, 48(8):1075-1082 (2006) Induced dimorphic life cycle of a coccolithophorid, Calyptrosphaera sphaeroidea (Prymnesiophyceae, Haptophyta) Presenter : Noel, M.-H., Kawachi M., Inouye I.Title : , J.Phycol., 40(1):112-129 (2004) Re-examination of the marine"chrysophyte"Polypodochrysis teissieri (Pinguiophyceae) Presenter : Kawachi M., Noel, M.-H., Andersen R.A.Title : , Phycol.Res., 50(1):91-100 (2002) View all Close Microbial Culture Collection at the National Institute for Environmental Studies, Tsukuba, Japan Presenter : Kawachi M., Mary-Helene N.Title : , PICES Press, 22(2):43-45 (2014) View all Close Metal Mobility from Hydrothermal Sulfides into Seawater During Deep Seafloor Mining Operations Presenter : Fuchida S., Ishibashi J., Nozaki T., Matsushita Y., Kawachi M., Koshikawa H.Title : , Environmental Issues of Deep-Sea Mining: Impacts, Consequences and Policy Perspectives (2019) Ecotoxicological Bioassay Using Marine Algae for Deep-Sea Mining Presenter : Yamagishi T., Ota S., Yamaguchi H., Koshikawa H., Tatarazako, N., Yamamoto H., Kawachi M.Title : , Environmental Issues of Deep-Sea Mining: Impacts, Consequences and Policy Perspectives (2019) View all Close What Happened before Losses of Photosynthesis in Cryptophyte Algae? Presenter : Suzuki S., Matsuzaki R., Yamaguchi H., Kawachi M.Title : , Molecular biology and evolution, 39(2):1-7 (2022) Draft Genome Sequences of Three Filamentous Cyanobacterial Strains, Dolichospermum planctonicum NIES-80, Planktothrix agardhii NIES-905, and Sphaerospermopsis reniformis NIES-1949 Presenter : Suzuki S., Yamaguchi H., Kawachi M.Title : , Microbiology Resource Announcements, 8(43):e00605-19 (2019) Mitochondrial and chloroplast genome sequences of Ulva ohno, a green-tide-forming macroalga in the Southern coastal regions of Japan Presenter : Suzuki S., Yamaguchi H., Hiraoka M., Kawachi M.Title : , Mitochondrial DNA Part B, 3(2):765-767 (2018) Evaluation of the toxicity of leaches from hydrothermal sulfide deposits by means of a delayed fluorescence-based bioassay with the marine cyanobacterium Cyanobium sp. NIES-981 Presenter : Yamagishi T., Fuchida S., Katsumata M, Horie Y, Mori F., Kawachi M., Koshikawa H., Nozaki T., Kumagai H., Ishibasi J., Tatarazako NTitle : , Ecotoxycology (2018) Draft Genome Sequence of the Toxic Bloom-Forming Cyanobacterium Aphanizomenon flos-aquae NIES-81 Presenter : Cao H, Shimura Y., Kawachi M., Yin Y.Title : , Genome Announcements, 2(1):e00044-14 (2014) View all Close Research Result (Presentation) all Research Presentation Research Lecture Research Presentation Practice of Marine Environmental Impact Assessment and Monitoring Using Iso Standards Presenter : Yamamoto H., Kawachi M., Iijima K., Kawagucci S., Miwa T., Inomata K., Kyo M., Koshikawa H., Tsutsumi K., Yoshida K.Name of Society : 2023 IEEE Underwater Technology (2023)Name of Proceedings : Abstracts, 37-41 Research Presentation Molecular analyses for the snow-inhabiting microorganism, Chionaster nivalis Presenter : Matsuzaki R., Takashima Y., Suzuki I., Kawachi M., Nozaki H., Nohara S., Degawa Y.Name of Society : 75th Annual Meeting of the Phycological Society of America (2021)Name of Proceedings : Abstracts, 85 Research Presentation Survival of a red tide-forming dinoflagellate depends on certain metabolites supplied by co-cultured bacteria Presenter : Suzuki S., Yamaguchi H., Kawachi M.Name of Society : Marine Biotechnology Conference 2019 (2019)Name of Proceedings : Abstract, 99 Research Presentation Toward molecular bases of photoheterotrophy in the colonial volvocine species Astrephomene gubernaculifera and Volvulina steinii Presenter : Suguchi A., Yamashita S., Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Noguchi H., Minakuchi Y., Toyada A., Nozaki H.Name of Society : Volvox 2019 (2019)Name of Proceedings : Abstracts, 62 Research Presentation Sexual Reproduction in a snow alga, Chloromonas fukushimae (Volvocales, Chlorophyceae) Presenter : Matsuzaki R., Kawachi M., Nozaki H., Suzuki I.Name of Society : The 5th International Volvox Conference (2019)Name of Proceedings : The 5th International Volvox Conference Program Booklet, 35-36 Research Presentation Evaluation of galvanic effects of sulfide mineras on metal dissolution from hydrotehrmal sulfides in seawater; implications for impact assessment of SMS-mining on marine environment Presenter : Fuchida S., Koshikawa H., Kawachi M.Name of Society : AGU Fall Meeting 2019 (2019)Name of Proceedings : Abstracts Research Presentation Oxidation and metal dissolution mechanisms of polymetallic sulfide complex in seawater; implications for impact assessment of SMS-mining Presenter : Fuchida S., Shimada K., Ishibashi J., Matsushita Y., Kawachi M., Koshikawa H.Name of Society : American Geophysical Union 2018 Fall Meeting (2018)Name of Proceedings : - Research Presentation Taxonomy of a new snow-inhabiting species of Chloromonas based on the use of cultured and field-collected materials Presenter : Matsuzaki R., Nozaki H., Takeuchi N., Hara Y., Kawachi M.Name of Society : The Fourth International Volvox Conference (2017)Name of Proceedings : Abstracts, 12 Research Presentation Onboard ecotoxicological technique to qualify the surface water safety during full-scale mining operation of SMS deposits Presenter : Koshikawa H., Yamagishi T., Fuchida S., Tatarazako N., Kawachi M.Name of Society : STAR2017, The Pacific Islands Science, Technology, and Resources Conference (2017)Name of Proceedings : Abstracts, 23 Research Presentation Evaluation of metal dissolution from fresh hydrothermal core samples collected at Izena Hole during CK16-05 and rapid detection of their toxicity on marine phytoplankton community; Environmental impact assessment for seafloor metal-mining Presenter : Fuchida S., Yamagishi T., Koshikawa H., Kawachi M., Fukuhara T., Kumagai H., Nozaki T., Ishibashi J., Maeda L., CK16-05 shipboard scientistsName of Society : Japan Geoscience Union Meeting 2017 (2017)Name of Proceedings : Abstract Research Lecture Environmental pollution monitoring system using bioassay Presenter : Koshikawa H., Kawachi M.Name of Society : EcoDeep SIP Workshop II (2017)Name of Proceedings : Abstracts, 20 Research Presentation DEEP SEA MINING AND ITS POSSIBLE IMPACT ON SURFACE PHYTOPLANKTON AT HYDROTHERMAL FIELDS Presenter : Koshikawa H., Fuchida S., Yokoyama A., Tsuboi S., Yamagishi T., Kawachi M.Name of Society : ASLO 2017 Aquatic Sciences Meeting (2017)Name of Proceedings : - Research Presentation Possible impact of seafloor mining on surface microbial diversity at Okinawa Trough Presenter : Kawachi M., Yamaguchi H., Tsuboi S., Fuchida S., Yamagishi T., Koshikawa H.Name of Society : ASLO 2017 Aquatic Sciences Meeting (2017)Name of Proceedings : - Research Presentation The ftsZ amplicon analysis reveals intraspecific dynamics of Microcystis aeruginosa in Lake Kasumigaura, Japan Presenter : Yamaguchi H., Tanabe Y., Kataoka T., Tomioka N., Kawachi M.Name of Society : The 8th Asian Pacific Phycological Forum (2017)Name of Proceedings : Abstracts, 183 Research Lecture Genome sequence of Raphidocelis subcapitata provides new genetic tools for toxicological assessment Presenter : Suzuki S., Yamaguchi H., Nakajima N., Kawachi M.Name of Society : 8th Asian Pacific Phycological Farum (2017)Name of Proceedings : Programme & Abstracts APPF 2017, 72 Research Presentation The 4th term National BioResource Project Algae in Japan Presenter : Kawachi M., Yamaguchi H., Suzuki J., Kogame K., Hanyuda T., Yamaguchi A., Kawai H. Name of Society : The 8th Asian Pacific Phycological Forum (2017)Name of Proceedings : Abstracts, 38 Research Presentation Development of methods to assess the toxic effects of heavy metals on microalgae using a microbial viability test Presenter : Ota S., Yamaguchi H., Yamagishi T., Tatarazako N., Fuchida S., Koshikawa H., Kawachi M.Name of Society : 8th Asian Pacific Phycological Forum (APPF 2017) (2017)Name of Proceedings : Abstracts, 153 Research Presentation Seasonal and geographical distribution of near-surface small photosynthetic eukaryotes in the western North Pacific determined by pyrosequencing of 18S rDNA Presenter : Kataoka T., Yamaguchi H., Sato M., Watanabe T. , Taniuchi Y., Kuwata A., Kawachi M.Name of Society : Kitasato-KAUST Joint International Workshop, Marine Metagenomics: Comparative Study among Different Marine Resources (2016)Name of Proceedings : Abstracts, 22 Research Presentation Arsenic contaminations and its effect on marine phytoplankton during seafloor mining Presenter : Fuchida S., Koshikawa H., Tsuboi S., Furuichi N., Yamamoto H., Kawachi M.Name of Society : Goldschmidt Conference 2016 (2016)Name of Proceedings : Abstract Research Presentation Risk of heavy metal and arsenic contaminations and its effect on marine phytoplankton during seafloor mining Presenter : Fuchida S., Koshikawa H., Tsuboi S., Furuichi N., Yamamoto H., Kawachi M.Name of Society : japan Geoscience Union Meeting 2016 (2016)Name of Proceedings : Abstract Research Presentation Possible impacts of seafloor mining on phytoplankton communities at hydrothermal fields Presenter : Koshikawa H., Fuchida S., Tsuboi S., Yamagishi T., Yokoyama A., Kawachi M.Name of Society : ACO2016, A connected ocean & EuroGOOS joint workshop program (2016)Name of Proceedings : - Research Presentation Genome Sequencing of the Bloom-Forming Cyanobacterium Planktothrix agardhii NIES-204 Presenter : Shimura Y., Fujisawa T., Hirose Y., Kanesaki Y., Yamaguchi H., Kawachi M.Name of Society : 10th International Conference on Toxic Cyanobacteria (2016)Name of Proceedings : Abstracts, 65-66 Research Presentation Characteristics of Triparma laevis f. longispina NIES-3699 with insights to its life cycle Presenter : Noel Kawachi M., Kawachi M.Name of Society : 日本進化学会第17回大会 (2015)Name of Proceedings : Abstracts, 110 Research Presentation Comparison of the terrestrial and freshwater Leptolyngbya genomes Presenter : Shimura Y., Hirose Y., Misawa N., Osana Y., Katoh H., Yamaguchi H., Kawachi M.Name of Society : 15th International Symposium on Phototrophic Prokaryotes (2015)Name of Proceedings : Abstracts, 179 Research Presentation Picoeukaryotic diversity in the Northwestern Pacific Ocean based on amplicon sequencing of 18S rRNA gene Presenter : Yamaguchi H., Sato M., Kawachi M.Name of Society : National Institute for Environmental Studies, Center for Environmental Biology and Ecosystem Studies Symposium, Unraveling Biodiversity from DNA -From the Management of Databases to the Use of Next Generation Sequencers- (2014)Name of Proceedings : Abstracts, 27-28 Research Presentation Community compositional analysis using 454 sequencing applying cryopreserved eukaryotic picopytoplankton originated from marine environments Presenter : Kataoka T., Yamaguchi H., Kuwata A., Kawachi M.Name of Society : National Institute for Environmental Studies, Center for Environmental Biology and Ecosstem Studies Symposium: Unraveling Biodiversity from DNA -From the management of databaes to the use of next generation sequencers- (2014)Name of Proceedings : Abstracts, 28-29 Research Presentation Microbial Culture Collection and Research Projects at the National Institute for Environmental Studies Presenter : Kawachi M.Name of Society : 13th International Conference on Culture Collections (ICCC13) (2013)Name of Proceedings : Abstracts Research Presentation Algae and Protist Culture Collection at NIES and related projects Presenter : Kawachi M.Name of Society : 5th Asian Network of Research Resource Centers (ANRRC) International Meeting (2013)Name of Proceedings : Abstracts, 81 Research Presentation Huge diversity of marine eukaryotic picoplankton in Sendai Bay, Japan: using next-generation sequencing approach for meta 18S rDNA analyses Presenter : Yamaguchi H., Demura M., Kuwata A., Kawachi M.Name of Society : 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, (PS21):62-63 Research Presentation Diversified protist and cyanobacteria collection at NIES, Japan Presenter : Kawachi M.Name of Society : The 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, 1023 Research Presentation Cryopreservation techniques applied to the analysis of oceanic picoplankton diversity Presenter : Kawachi M., Demura M., Mary-helene N.Name of Society : The 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, 497 Research Presentation Poleward range shifts/expansions of shallow-water marine organisms around Japan Presenter : Yamano H., Sugihara K. , Kawachi M., Terada R., Sunobe T., Kumagai N.H., Fujii M., Yamanaka Y.Name of Society : Amakusa Biodiversity Symposium 2012 (2012)Name of Proceedings : Abstracts, 39 Research Presentation Cryopreservation techniques applied to the pico-phytoplankton diversity, effectiveness and problems Presenter : Kawachi M., Mary-helene N., YAMAGUCHI H., Demura M.Name of Society : 「海洋プランクトンに関する日仏共同シンポジウム」Japan-France Joint Symposium on Marine Plankton (2011)Name of Proceedings : - Research Lecture Microbial Culture Collection and Algal Research Projects at the National Institute for Environmental Studies Presenter : Kawachi M., Kasai F.Name of Society : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) (2011)Name of Proceedings : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) Program and Abstracts, 25 AOACC-Network of Asia Oceania Algal Culture Collections Presenter : Kasai F., Kawachi M.Name of Society : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) (2011)Name of Proceedings : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) Program and Abstracts, 101 Research Lecture Functional roles of the haptonema Presenter : Kawachi M.Name of Society : 13th Int.Nannoplankton Assoc.Meet. (2010)Name of Proceedings : Abstracts, 72-73 Research Presentation Flow cytometric analysis and morphology of natural picoplankton population before and after cryopresevation Presenter : Kawachi M.Name of Society : 18th Meet.Int.Soc.Evol.Protistol. (2010)Name of Proceedings : Abstracts Research Presentation Molecular phylogeny of Botryococcus braunii relationship with the hydrocarbon types Presenter : Kawachi M., Tanoi T., Demura M., Kaya K, Watanabe MName of Society : 1st Asia-Oceania Innovation Summit (2010)Name of Proceedings : Abstracts, 52 Research Presentation Genetic succession of Botryococcus braunii (Trebouxiophyceae, chlorophyta)in two reservoirs Presenter : Demura M., Kawachi M., Mayuzumi Y., Watanabe MName of Society : 1st Asia-Oceania Innovation Summit (2010)Name of Proceedings : Abstracts, 57 Research Lecture Global warming and high-latitude corals in Japan Presenter : Yamano H., Yamano H., Sugihara K., Sugihara K., Namizaki N., Namizaki N., Kawachi M., Kawachi M.Name of Society : 5th ICRI East Asia Reg.Workshop (2009) Research Lecture Global warming and high-latitude corals in Japan Presenter : Yamano H., Yamano H., Sugihara K., Sugihara K., Namizaki N., Namizaki N., Kawachi M., Kawachi M.Name of Society : 5th ICRI East Asia Reg.Workshop (2009) Research Presentation Dominance of the dinoflagellate Prorocentrum dentatum on the central continental shelf of the East China Sea in early summer, 2007 Presenter : Koshikawa H., Higashi H., Kawachi M., Hasegawa T., Okamura K., Kiyomoto Y., Nishiuchi K., Akiyama H., Kohata K., Murakami S.Name of Society : PICES 2009 Annu.Meet. (2009)Name of Proceedings : Abstracts, 149 Research Presentation Microalgal diversity in Asia-the collaborative research between Japan and Thailand/Indonesia for capacity building of microalgal taxonomy Presenter : KAWACHI MasanobuName of Society : 1st Global Taxonomy Initiative Reg.Workshop Asia (2002)Name of Proceedings : Abstracts, 26 View all Close Practice of Marine Environmental Impact Assessment and Monitoring Using Iso Standards Presenter : Yamamoto H., Kawachi M., Iijima K., Kawagucci S., Miwa T., Inomata K., Kyo M., Koshikawa H., Tsutsumi K., Yoshida K.Name of Society : 2023 IEEE Underwater Technology (2023)Name of Proceedings : Abstracts, 37-41 Molecular analyses for the snow-inhabiting microorganism, Chionaster nivalis Presenter : Matsuzaki R., Takashima Y., Suzuki I., Kawachi M., Nozaki H., Nohara S., Degawa Y.Name of Society : 75th Annual Meeting of the Phycological Society of America (2021)Name of Proceedings : Abstracts, 85 Survival of a red tide-forming dinoflagellate depends on certain metabolites supplied by co-cultured bacteria Presenter : Suzuki S., Yamaguchi H., Kawachi M.Name of Society : Marine Biotechnology Conference 2019 (2019)Name of Proceedings : Abstract, 99 Sexual Reproduction in a snow alga, Chloromonas fukushimae (Volvocales, Chlorophyceae) Presenter : Matsuzaki R., Kawachi M., Nozaki H., Suzuki I.Name of Society : The 5th International Volvox Conference (2019)Name of Proceedings : The 5th International Volvox Conference Program Booklet, 35-36 Oxidation and metal dissolution mechanisms of polymetallic sulfide complex in seawater; implications for impact assessment of SMS-mining Presenter : Fuchida S., Shimada K., Ishibashi J., Matsushita Y., Kawachi M., Koshikawa H.Name of Society : American Geophysical Union 2018 Fall Meeting (2018)Name of Proceedings : - Taxonomy of a new snow-inhabiting species of Chloromonas based on the use of cultured and field-collected materials Presenter : Matsuzaki R., Nozaki H., Takeuchi N., Hara Y., Kawachi M.Name of Society : The Fourth International Volvox Conference (2017)Name of Proceedings : Abstracts, 12 Onboard ecotoxicological technique to qualify the surface water safety during full-scale mining operation of SMS deposits Presenter : Koshikawa H., Yamagishi T., Fuchida S., Tatarazako N., Kawachi M.Name of Society : STAR2017, The Pacific Islands Science, Technology, and Resources Conference (2017)Name of Proceedings : Abstracts, 23 Evaluation of metal dissolution from fresh hydrothermal core samples collected at Izena Hole during CK16-05 and rapid detection of their toxicity on marine phytoplankton community; Environmental impact assessment for seafloor metal-mining Presenter : Fuchida S., Yamagishi T., Koshikawa H., Kawachi M., Fukuhara T., Kumagai H., Nozaki T., Ishibashi J., Maeda L., CK16-05 shipboard scientistsName of Society : Japan Geoscience Union Meeting 2017 (2017)Name of Proceedings : Abstract The 4th term National BioResource Project Algae in Japan Presenter : Kawachi M., Yamaguchi H., Suzuki J., Kogame K., Hanyuda T., Yamaguchi A., Kawai H. Name of Society : The 8th Asian Pacific Phycological Forum (2017)Name of Proceedings : Abstracts, 38 Development of methods to assess the toxic effects of heavy metals on microalgae using a microbial viability test Presenter : Ota S., Yamaguchi H., Yamagishi T., Tatarazako N., Fuchida S., Koshikawa H., Kawachi M.Name of Society : 8th Asian Pacific Phycological Forum (APPF 2017) (2017)Name of Proceedings : Abstracts, 153 Characteristics of Triparma laevis f. longispina NIES-3699 with insights to its life cycle Presenter : Noel Kawachi M., Kawachi M.Name of Society : 日本進化学会第17回大会 (2015)Name of Proceedings : Abstracts, 110 Microbial Culture Collection and Research Projects at the National Institute for Environmental Studies Presenter : Kawachi M.Name of Society : 13th International Conference on Culture Collections (ICCC13) (2013)Name of Proceedings : Abstracts Algae and Protist Culture Collection at NIES and related projects Presenter : Kawachi M.Name of Society : 5th Asian Network of Research Resource Centers (ANRRC) International Meeting (2013)Name of Proceedings : Abstracts, 81 Poleward range shifts/expansions of shallow-water marine organisms around Japan Presenter : Yamano H., Sugihara K. , Kawachi M., Terada R., Sunobe T., Kumagai N.H., Fujii M., Yamanaka Y.Name of Society : Amakusa Biodiversity Symposium 2012 (2012)Name of Proceedings : Abstracts, 39 Cryopreservation techniques applied to the pico-phytoplankton diversity, effectiveness and problems Presenter : Kawachi M., Mary-helene N., YAMAGUCHI H., Demura M.Name of Society : 「海洋プランクトンに関する日仏共同シンポジウム」Japan-France Joint Symposium on Marine Plankton (2011)Name of Proceedings : - Flow cytometric analysis and morphology of natural picoplankton population before and after cryopresevation Presenter : Kawachi M.Name of Society : 18th Meet.Int.Soc.Evol.Protistol. (2010)Name of Proceedings : Abstracts Microalgal diversity in Asia-the collaborative research between Japan and Thailand/Indonesia for capacity building of microalgal taxonomy Presenter : KAWACHI MasanobuName of Society : 1st Global Taxonomy Initiative Reg.Workshop Asia (2002)Name of Proceedings : Abstracts, 26 Toward molecular bases of photoheterotrophy in the colonial volvocine species Astrephomene gubernaculifera and Volvulina steinii Presenter : Suguchi A., Yamashita S., Matsuzaki R., Suzuki S., Yamaguchi H., Kawachi M., Noguchi H., Minakuchi Y., Toyada A., Nozaki H.Name of Society : Volvox 2019 (2019)Name of Proceedings : Abstracts, 62 Evaluation of galvanic effects of sulfide mineras on metal dissolution from hydrotehrmal sulfides in seawater; implications for impact assessment of SMS-mining on marine environment Presenter : Fuchida S., Koshikawa H., Kawachi M.Name of Society : AGU Fall Meeting 2019 (2019)Name of Proceedings : Abstracts DEEP SEA MINING AND ITS POSSIBLE IMPACT ON SURFACE PHYTOPLANKTON AT HYDROTHERMAL FIELDS Presenter : Koshikawa H., Fuchida S., Yokoyama A., Tsuboi S., Yamagishi T., Kawachi M.Name of Society : ASLO 2017 Aquatic Sciences Meeting (2017)Name of Proceedings : - Possible impact of seafloor mining on surface microbial diversity at Okinawa Trough Presenter : Kawachi M., Yamaguchi H., Tsuboi S., Fuchida S., Yamagishi T., Koshikawa H.Name of Society : ASLO 2017 Aquatic Sciences Meeting (2017)Name of Proceedings : - The ftsZ amplicon analysis reveals intraspecific dynamics of Microcystis aeruginosa in Lake Kasumigaura, Japan Presenter : Yamaguchi H., Tanabe Y., Kataoka T., Tomioka N., Kawachi M.Name of Society : The 8th Asian Pacific Phycological Forum (2017)Name of Proceedings : Abstracts, 183 Seasonal and geographical distribution of near-surface small photosynthetic eukaryotes in the western North Pacific determined by pyrosequencing of 18S rDNA Presenter : Kataoka T., Yamaguchi H., Sato M., Watanabe T. , Taniuchi Y., Kuwata A., Kawachi M.Name of Society : Kitasato-KAUST Joint International Workshop, Marine Metagenomics: Comparative Study among Different Marine Resources (2016)Name of Proceedings : Abstracts, 22 Arsenic contaminations and its effect on marine phytoplankton during seafloor mining Presenter : Fuchida S., Koshikawa H., Tsuboi S., Furuichi N., Yamamoto H., Kawachi M.Name of Society : Goldschmidt Conference 2016 (2016)Name of Proceedings : Abstract Risk of heavy metal and arsenic contaminations and its effect on marine phytoplankton during seafloor mining Presenter : Fuchida S., Koshikawa H., Tsuboi S., Furuichi N., Yamamoto H., Kawachi M.Name of Society : japan Geoscience Union Meeting 2016 (2016)Name of Proceedings : Abstract Possible impacts of seafloor mining on phytoplankton communities at hydrothermal fields Presenter : Koshikawa H., Fuchida S., Tsuboi S., Yamagishi T., Yokoyama A., Kawachi M.Name of Society : ACO2016, A connected ocean & EuroGOOS joint workshop program (2016)Name of Proceedings : - Genome Sequencing of the Bloom-Forming Cyanobacterium Planktothrix agardhii NIES-204 Presenter : Shimura Y., Fujisawa T., Hirose Y., Kanesaki Y., Yamaguchi H., Kawachi M.Name of Society : 10th International Conference on Toxic Cyanobacteria (2016)Name of Proceedings : Abstracts, 65-66 Comparison of the terrestrial and freshwater Leptolyngbya genomes Presenter : Shimura Y., Hirose Y., Misawa N., Osana Y., Katoh H., Yamaguchi H., Kawachi M.Name of Society : 15th International Symposium on Phototrophic Prokaryotes (2015)Name of Proceedings : Abstracts, 179 Picoeukaryotic diversity in the Northwestern Pacific Ocean based on amplicon sequencing of 18S rRNA gene Presenter : Yamaguchi H., Sato M., Kawachi M.Name of Society : National Institute for Environmental Studies, Center for Environmental Biology and Ecosystem Studies Symposium, Unraveling Biodiversity from DNA -From the Management of Databases to the Use of Next Generation Sequencers- (2014)Name of Proceedings : Abstracts, 27-28 Community compositional analysis using 454 sequencing applying cryopreserved eukaryotic picopytoplankton originated from marine environments Presenter : Kataoka T., Yamaguchi H., Kuwata A., Kawachi M.Name of Society : National Institute for Environmental Studies, Center for Environmental Biology and Ecosstem Studies Symposium: Unraveling Biodiversity from DNA -From the management of databaes to the use of next generation sequencers- (2014)Name of Proceedings : Abstracts, 28-29 Huge diversity of marine eukaryotic picoplankton in Sendai Bay, Japan: using next-generation sequencing approach for meta 18S rDNA analyses Presenter : Yamaguchi H., Demura M., Kuwata A., Kawachi M.Name of Society : 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, (PS21):62-63 Diversified protist and cyanobacteria collection at NIES, Japan Presenter : Kawachi M.Name of Society : The 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, 1023 Cryopreservation techniques applied to the analysis of oceanic picoplankton diversity Presenter : Kawachi M., Demura M., Mary-helene N.Name of Society : The 14th International Symposium on Microbial Ecology (2012)Name of Proceedings : Abstracts, 497 Molecular phylogeny of Botryococcus braunii relationship with the hydrocarbon types Presenter : Kawachi M., Tanoi T., Demura M., Kaya K, Watanabe MName of Society : 1st Asia-Oceania Innovation Summit (2010)Name of Proceedings : Abstracts, 52 Genetic succession of Botryococcus braunii (Trebouxiophyceae, chlorophyta)in two reservoirs Presenter : Demura M., Kawachi M., Mayuzumi Y., Watanabe MName of Society : 1st Asia-Oceania Innovation Summit (2010)Name of Proceedings : Abstracts, 57 Dominance of the dinoflagellate Prorocentrum dentatum on the central continental shelf of the East China Sea in early summer, 2007 Presenter : Koshikawa H., Higashi H., Kawachi M., Hasegawa T., Okamura K., Kiyomoto Y., Nishiuchi K., Akiyama H., Kohata K., Murakami S.Name of Society : PICES 2009 Annu.Meet. (2009)Name of Proceedings : Abstracts, 149 View all Close Genome sequence of Raphidocelis subcapitata provides new genetic tools for toxicological assessment Presenter : Suzuki S., Yamaguchi H., Nakajima N., Kawachi M.Name of Society : 8th Asian Pacific Phycological Farum (2017)Name of Proceedings : Programme & Abstracts APPF 2017, 72 Environmental pollution monitoring system using bioassay Presenter : Koshikawa H., Kawachi M.Name of Society : EcoDeep SIP Workshop II (2017)Name of Proceedings : Abstracts, 20 Microbial Culture Collection and Algal Research Projects at the National Institute for Environmental Studies Presenter : Kawachi M., Kasai F.Name of Society : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) (2011)Name of Proceedings : The 3rd Meeting of the Asian Network for Research Resource Centers (ANRRC) Program and Abstracts, 25 Functional roles of the haptonema Presenter : Kawachi M.Name of Society : 13th Int.Nannoplankton Assoc.Meet. (2010)Name of Proceedings : Abstracts, 72-73 Global warming and high-latitude corals in Japan Presenter : Yamano H., Yamano H., Sugihara K., Sugihara K., Namizaki N., Namizaki N., Kawachi M., Kawachi M.Name of Society : 5th ICRI East Asia Reg.Workshop (2009) Global warming and high-latitude corals in Japan Presenter : Yamano H., Yamano H., Sugihara K., Sugihara K., Namizaki N., Namizaki N., Kawachi M., Kawachi M.Name of Society : 5th ICRI East Asia Reg.Workshop (2009) View all Close About Institute Overview Organization Research Staff Planning Division Research Collaboration Division Earth System Division Material Cycles Division Health and Environmental Risk Division Regional Environment Conservation Division Social Systems Division Biodiversity Division Center for Climate Change Adaptation Fukushima Regional Collaborative Research Center (FRECC) Alphabetical Order Jobs at NIES Privacy Policy of NIES Faclities Access and Benefit-Sharing of Genetic Resources Page Top Site Policy| Privacy Policy| Link Copyright © National Institute for Environmental Studies. 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