| Budget Amount *help |
¥46,800,000 (Direct Cost: ¥36,000,000、Indirect Cost: ¥10,800,000)
Fiscal Year 2015: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2014: ¥13,130,000 (Direct Cost: ¥10,100,000、Indirect Cost: ¥3,030,000)
Fiscal Year 2013: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2012: ¥15,210,000 (Direct Cost: ¥11,700,000、Indirect Cost: ¥3,510,000)
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| Outline of Final Research Achievements |
The western North Pacific is one of the most productive area in the ocean and thus important for carbon sequestration by strong activity of the Biological Carbon Pump. Here, we report temporal variability of structures and metabolic potentials of surface seawater microbial communities collected from two contrasting time-series stations, K2 and S1, in the subarctic and subtropical gyres, respectively. This is the first report of metagenomic comparison of temporal dynamics in open ocean microbial communities of subtropical and subarctic areas, which has provided invaluable data and fruitful outcomes. We have also contributed to develop a next generation bioinformatics tool of metagenomics, so-called Metabolic And Physiological potentiaL Evaluator (MAPLE), and presented usefulness of this system as a novel tool in analyzing ecosystem dynamics.
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