| Project/Area Number |
15K14675
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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 | The University of Tokyo |
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Principal Investigator |
Senoo Keishi 東京大学, 大学院農学生命科学研究科(農学部), 教授 (40206652)
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| Co-Investigator(Kenkyū-buntansha) |
磯部 一夫 東京大学, 大学院農学生命科学研究科(農学部), 助教 (30621833)
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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 |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | 水田土壌 / 脱窒 / 典型的脱窒細菌 / 非典型的脱窒細菌 / メタトランスクリプトーム解析 / 脱窒反応 / 土壌微生物 / デルタプロテオバクテリア / 鉄還元菌 / 土壌学 |
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| Outline of Final Research Achievements |
We elucidated the drivers of denitrification in rice paddy soil by metatranscriptomic analysis. It was suggested that typical denitrifiers (denitrifying bacteria belonging to Alpha-, Beta-, or Gammaproteobacteria) largely contributed to nitrite reduction to nitric oxide, whereas atypical denitrifiers largely contributed to other denitrification reactions (i.e., nitrate reduction, nitric oxide reduction and nitrous oxide reduction). Denitrification in rice paddy soil could be “orchestrated” reactions by combination of typical and atypical denitrifiers.
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