| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
Mechanism of assembly of photosystem II complex (PSII) has been investigated focusing on the role of extrinsic proteins in the assembly process of PSII. Psb28 is a newly identified extrinsic protein bound to PSII but its function was unknown. In this study, we analyzed properties of PSII in a disruption mutant of psb28 gene of cyanobacterium. It was found that, in the psb28 mutant, PSII assembly intermediates were accumulated and that a repair process of PSII was significantly inhibited. These results suggest that Psb28 plays an important role in the repair process of PSII.
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