2017 Fiscal Year Final Research Report
A new phosphorus cycle in river water by a polyphosphate-accumulating bacterioplankton group
| Project/Area Number |
15K16122
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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 |
Environmental dynamic analysis
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| Research Institution | Center for Environmental Science in Saitama |
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Principal Investigator |
Watanabe Keiji 埼玉県環境科学国際センター, 水環境担当, 主任 (50575230)
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| Research Collaborator |
SUDA Wataru
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | リン循環 / ポリリン酸蓄積細菌 / 浮遊細菌 / 河川 |
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| Outline of Final Research Achievements |
In this study, we have analyzed a new phosphorus cycle in river water by a polyphosphate-accumulating bacterioplankton (IRD18C08 bacteria) which is belonged to a new taxon. This study has the following aims: (1) to estimate biomass of IRD18C08 bacteria by catalyzed reporter deposition-fluorescence in situ hybridization (CARD-FISH), (2) to monitor phosphate-phosphorus concentration in river water, and (3) to estimate phosphate-phosphorus uptake per unit cell of IRD18C08 bacteria. These results reveal that the IRD18C08 bacteria may contribute to about 0.6% dynamics of phosphate-phosphorus cycle in river water.
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| Free Research Field |
微生物生態
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