2011 Fiscal Year Final Research Report
Study on stringent response in plant chloroplasts
| Project/Area Number |
21570047
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Plant molecular biology/Plant physiology
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| Research Institution | Ehime University |
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Principal Investigator |
TOZAWA Yuzuru 愛媛大学, 無細胞生命科学工学研究センター, 教授 (90363267)
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| Research Collaborator |
YUKAWA Yasushi 名古屋市立大学, 大学院・システム自然科学研究科, 教授 (70381902)
NOMURA Yuhta 愛媛大学, 大学院・理工学研究科, 博士後期課程2年生
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| Project Period (FY) |
2009 – 2011
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| Keywords | 環境応答 / 葉緑体 / ppGpp / 翻訳 / 緊縮制御 |
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| Research Abstract |
Chloroplasts are derived from symbiosis of photosynthetic bacteria, and have ppGpp-mediated signal transduction system. In order to clarify the functional roles of ppGpp-signal in chloroplasts, we have investigated functions of ppGpp in the protein synthesis. Here we have established in vitro translation system based on extracts of isolated pea chloroplasts, and demonstrated that ppGpp directly regulates protein synthesis activity of chloroplasts in vitro.
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[Journal Article] Expression of a small(p) ppGpp synthetase, YwaC, in the(p) ppGpp0 mutant of Bacillus subtilis triggers YvyD-dependent dimerization of ribosome2012
Author(s)
Tagami K, Nanamiya H, Kazo Y, Maehashi M, Suzuki S, Namba E, Tozawa Y, Morimoto, T, Ogasawara N, Kageyama Y, Ara K, Ozaki K, Yoshida M, Kuroiwa H, Kuroiwa T, Ohashi Y, Kawamura F
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Journal Title
Peer Reviewed
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[Journal Article] Transcription activity of individual rrn operons in Bacillus subtilis mutants deficient of(p) ppGpp synthetase genes, relA, yjbM and ywaC2009
Author(s)
Natori Y, Tagami K, Murakami K, Yoshida S, Tanigawa O, Moh Y, Masuda K, Wada T, Suzuki S, Nananamiya H, Tozawa Y, and Kawamura F
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Journal Title
Journal of Bacteriology
Volume: 191
Pages: 4555-4561
Peer Reviewed
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