| Project/Area Number |
15K14674
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Plant nutrition/Soil science
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
TAKAHASHI Hideki 東北大学, 大学院農学研究科, 教授 (20197164)
KOYAMA Hiroyuki 岐阜大学, 応用生物科学部, 教授 (90234921)
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 遺伝子 / 植物 / 生理学 / 病理学 / 発現制御 |
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| Outline of Final Research Achievements |
Nitrogen nutrition is an essential macronutrient required in quantity for plant growth and productivity. The regulation of glutamate biosynthesis via glutamine-responsive gene expression is important for nitrogen use in rice. It has also been suggested that glutamate biosynthesis in rice may be linked to the pathogenesis of the bacterial leaf blight disease.
Results of this study suggested that the ACT-domain repeat protein 9 (OsACR9), which is composed of domains having homology with the glutamine-binding ACT domains of bacterial glutamine sensors, is associated with glutamine-responsive gene expression of the enzyme related to glutamate biosynthesis and important for nitrogen and carbon metabolisms in rice.
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