| Project/Area Number |
20244089
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geochemistry/Astrochemistry
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
KAMAGATA Yoichi National Institute of Advanced Industrial Science and Technology, 生物プロセス研究部門, 研究部門長 (70356814)
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| Co-Investigator(Kenkyū-buntansha) |
TAMAKI Hideyuki 独立行政法人産業技術総合研究所, 生物プロセス研究部門, 研究員 (00421842)
SAKATA Susumu 独立行政法人産業技術総合研究所, 地圏資源環境研究部門, 研究グループ長 (70357101)
YOSHIOKA Hideyoshi 独立行政法人産業技術総合研究所, 地圏資源環境研究部門, 研究員 (30415765)
TAKEUCHI Mio 独立行政法人産業技術総合研究所, 地圏資源環境研究部門, 研究員 (20357403)
SUZUKI Yohei 独立行政法人産業技術総合研究所, 地圏資源環境研究部門, 研究員 (00359168)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥48,490,000 (Direct Cost: ¥37,300,000、Indirect Cost: ¥11,190,000)
Fiscal Year 2010: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2009: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
Fiscal Year 2008: ¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
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| Keywords | 天然ガス / 油田 / 地下圏生物 / メタン菌 / メタン酸化菌 / 地球化学 / メタン生成古細菌 / 地下圏微生物 / 水溶性天然ガス / ゲノム解析 / 水素・酢酸からのメタン生成 / 嫌気的メタン酸化 / 水素からのメタン生成 |
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| Research Abstract |
To shed light on the subsurface methane cycling microbial communities, we have analyzed the community structures, cultivated the dominant organisms, and analyzed the basic traits of isolated organisms : (1) we were successful in isolating dominant hydrogenotrophic methanogens in an association water sample in a natural gas field. The isolate was found to be distinct from know methanogens ; (2) acetate was found to be the most important intermediate in a deep subsurface oil reservoir in which syntrophic acetate oxidation occurred ; (3) anaerobic methane oxidation was detected in terrestrial subsurface samples ; (4) a syntrophic aerobic methane oxidizing community that comprised at least three members of bacteria was constructed.
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