| Project/Area Number |
25871086
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Hydraulic engineering
Civil and environmental engineering
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| Research Institution | National Institute for Environmental Studies |
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Principal Investigator |
SHINOHARA Ryuichiro 独立行政法人国立環境研究所, 地域環境研究センター, 研究員 (00610817)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 核磁気共鳴装置 / リン化合物 / 核酸 / RNA-P / DNA-P / 核磁気共鳴装置(31P NMR) / 植物プランクトン / 懸濁物 / RNA、リン脂質 |
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| Outline of Final Research Achievements |
In the current study we analyzed phosphorus (P) compound composition in phytoplankton and established a model with the decay. I did the following experiments: (1) I analyzed P compound composition in Microcystis aeruginosa to analyze the compounds included. (2) I monitored P compounds composition in suspended particles and compared it with the biomass of M. aeruginosa.
I attained the following results:
(1)RNA-P accounted for the largest proportion in organic P compounds, but DNA-P was not included in M. aeruginosa. (2) P compounds composition in suspended particles shows that RNA-P exhibited largest P compound in suspended particles. When M. aeruginosa was the predominant phytoplankton species, DNA-P did not show large proportion. This fluctuation was consistent with the results of (1). Because RNA-P exhibited the largest P compound, changes in abundance of RNA-P are the most important component for P cycle in the water column.
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