2012 Fiscal Year Final Research Report
Basal construction studies for the diversity of algae-protist complexes
| Project/Area Number |
21247010
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Biodiversity/Systematics
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| Research Institution | University of Tsukuba |
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Principal Investigator |
INOUYE Isao 筑波大学, 生命環境系, 教授 (70168433)
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| Co-Investigator(Kenkyū-buntansha) |
WATANABE Makoto 筑波大学, 生命環境系, 教授 (10132870)
HASHIMOTO Tetsuo 筑波大学, 生命環境系, 教授 (50208451)
ISHIDA Kenichiro 筑波大学, 生命環境系, 教授 (30282198)
INAGAKI Yuji 筑波大学, 生命環境系, 准教授 (50387958)
NAKAYAMA Takeshi 筑波大学, 生命環境系, 講師 (40302369)
KIKUCHI Jun 独立行政法人理化学研究所, 植物科学研究センター, チームリーダー (00321753)
MORIYA Shigeharu 独立行政法人理化学研究所, 基幹研究所, 専任研究員 (00321828)
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| Project Period (FY) |
2009 – 2012
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| Keywords | 環境 / 進化 / 分類学 / 生態学 / 原生生物 |
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| Research Abstract |
Understanding the dynamics of establishment, maintenance and collapse of the diversity of eukaryotic microorganisms in aquatic ecosystems, and the interaction among those organisms and interrelation between the organisms and environmental organic matter, are important issues of aquatic microbial biology. To evaluate factors that determine these dynamics, we conducted analyses of metabolomics, metagenomics and chlorophyll derivatives, along with microscopic observations. We identified some organic matter whose quantities increased or decreased coupled with the spatio-temporal changes of the biome. We also found a metabolite that can be a new biomarker to detect the predatory activity of protists. Furthermore, algae and protists requiring taxonomic re-evaluation were examined using established cultures.
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[Journal Article] Ubiquity and quantitative significance of detoxification catabolism of chlorophyll associated with protistan herbivory.2012
Author(s)
Kashiyama Y, Yokoyama A, Kinoshita Y, Shoji S, Miyashiya H, Shiratori T, Suga H, Ishikawa K, Ishikawa A, Inouye I, Ishida K,Fujinuma D, Aoki K, Kobayashi M, Nomoto S, Mizoguchi T and Tamiaki H
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Journal Title
Proceedings of the National Academy of Sciences of the United States of America
Volume: 109(43)
Pages: 1728-1735
URL
Peer Reviewed
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[Presentation] オミクス情報に基づく藻類・プロティスト複合系の多様性解明へのアプローチ2011
Author(s)
横山亜紀子,守屋繁春,菊地淳,兪一〓,Evarroad C,Ogawa D,皿井千裕,稲垣祐司,中山剛,石田健一郎,橋本哲男,渡辺信,井上勲
Organizer
日本藻類学会35回大会
Place of Presentation
富山
Year and Date
2011-03-28
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