| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2019: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2018: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2017: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
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| Outline of Final Research Achievements |
Plant life is strongly dependent on light and Arabidopsis thaliana phototropin1 (phot1) is a blue-light photoreceptor, i.e. a blue-light-activated Ser/Thr-protein kinase that mediates various light responses including phototropism. Our research goal is an understanding of the phototropin signaling system. In this research, we were focusing on the protein phosphorylation of signaling factors in the phot1 signaling. Our study has revealed that RPT2 suppresses the phot1 autophosphorylation activity and that the phosphorylation status of NPH3 is involved in the photoadaptation mechanism of phototropism as an effector adaptation mechanism.
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