2017 Fiscal Year Final Research Report
Molecular basis for flowering initiation by florigen
| Project/Area Number |
15K06969
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Structural biochemistry
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| Research Institution | Kyoto University |
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Principal Investigator |
Ohki Izuru 京都大学, 化学研究所, 特定研究員 (80418574)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | 立体構造解析 / 植物ホルモン / 花成 |
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| Outline of Final Research Achievements |
In higher plants, florigen is a mobile hormone that determines the flowering time, but its regulatory mechanism for floral induction remains unclear. In this study, we focused on anti-florigen, which suppresses floral induction antagonizing with florigen, to clarify the regulatory role in flowering. From the structural and biochemical analysis, anti-florigen was found to form a stable complex with florigen receptor on target receptor and inhibited a formation of florigen-receptor complex. The complex formation of florigen and anti-florigen against to the receptor is exchangeable, suggesting that the balance of the two complexes are important for floral induction.
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| Free Research Field |
構造生物学
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