| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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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 of flowering remains unclear. In this study, we focused on an anti-florigen, which suppresses floral induction antagonizing with florigen, to clarify the role in flowering regulation. From structural and biochemical analysis, anti-florigen was found to form a stable complex with florigen receptor on target promoters and inhibited a formation of florigen-receptor complex. The bindings of florigen and anti-florigen to the receptor were exchangeable, suggesting that the balance of the two proteins is important for determining the timing of floral transition.
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