| Project/Area Number |
25291058
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Plant molecular biology/Plant physiology
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
広野 雅文 法政大学, 生命科学部, 教授 (10212177)
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| Research Collaborator |
Hisabori Toru 東京工業大学, 科学技術創成研究院, 教授
Sugiura Kazunori 東京工業大学, 科学技術創成研究院, 博士研究員
Ueki Noriko 東京工業大学, 科学技術創成研究院, 博士研究員
Ide Takahiro 東京工業大学, 資源化学研究所, 博士研究員
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2014: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2013: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
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| Keywords | 走光性 / 光合成 / レドックス / 鞭毛 / 光受容 / クラミドモナス / ステート遷移 / レドックス制御 / チオレドキシン / 真核生物鞭毛・繊毛 |
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| Outline of Final Research Achievements |
Phototaxis is a cellular behavior in that cells move toward or against from the light source (positive or negative phototaxis, respectively). For phototrophic microorganisms, switching between positive and negative phototaxis is crucial to inhabit under suitable light intensity for photosynthesis. A unicellular green alga Chlamydomonas reinhardtii is a model organism for photo-behavioral responses. Previously, we found that cellular redox (reduction-oxidation) signal regulates this switching. In this research, to elucidate the sign-switching mechanism, we identified causative genes of mutants that show different sign of phototaxis. In parallel, we estimated intra flagellar redox potentials under different light conditions.
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