Molecular basis for flowering initiation by florigen
Project/Area Number |
15K06969
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Structural biochemistry
|
Research Institution | Kyoto University |
Principal Investigator |
Ohki Izuru 京都大学, 化学研究所, 特定研究員 (80418574)
|
Project Period (FY) |
2015-04-01 – 2018-03-31
|
Project Status |
Completed (Fiscal Year 2017)
|
Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
|
Keywords | 立体構造解析 / 植物ホルモン / 花成 / フロリゲン / 構造生物学 / 育種 / ホルモン受容体 |
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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Report
(4 results)
Research Products
(9 results)