2012 Fiscal Year Final Research Report
Functional Analysis of Newly-found Actin Structure Involved inChloroplast Photorelocation Movement
| Project/Area Number |
20227001
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| Research Category |
Grant-in-Aid for Scientific Research (S)
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| Allocation Type | Single-year Grants |
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| Research Field |
Plant molecular biology/Plant physiology
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| Research Institution | Kyushu University |
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Principal Investigator |
WADA Masamitsu 九州大学, 大学院・理学研究院, 特任教授 (60011681)
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| Co-Investigator(Kenkyū-buntansha) |
KADOTA Akeo 首都大学東京, 理工学研究科, 教授 (60152758)
KANEGAE Takeshi 首都大学東京, 理工学研究科, 准教授 (70264588)
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| Project Period (FY) |
2008 – 2012
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| Keywords | 葉緑体 / アクチン繊維 / 光応答 / フォトトロピン / シロイヌナズナ / シダ |
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| Research Abstract |
Cp－actin filaments that involved in chloroplast movement and CHUP1that mediates cp-actin filament polymerization were analyzed by a conforcal laserscanning fluorescence microscopy and total internal reflection fluorescence microscopyin detail. Cp-actin filaments` behavior was different from that of cytoplasmic actincables. They were severed and fragmented into about 0.3 μm and disappeared. Myosinmolecules might not be involved in chloroplast movement. Phot2 that involved inchloroplast avoidance movement might be localized on the chloroplast outer membrane.Other new findings were obtained.
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[Journal Article] Shortactin-based mechanism for lightdirected chloroplast movement inArabidopsis2009
Author(s)
Kadota, A., N. Yamada, N. Suetsugu, M.Hirose, C. Saito, K. Shoji, S. Ichikawa,T. Kagawa, A. Nakano, M. Wada
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Journal Title
Proc. Natl Acad. Sci. USA
Volume: 106
Pages: 13106-13111
DOI
Peer Reviewed
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