| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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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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