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State transition in blue-green algaSynechocystis PCC 6803

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The mechanism of state transition in blue-green algaSynechocystis PCC 6803 was investigated by using modulated fluorescence. NaF, an inhibitor of phosphatase, did not inhibit state II to state I transition. Rotenone, a specific inhibitor of NAD(P)H ubiquinone reductase, stimulated transition from state II to state I in dark. The results suggest that state transition in blue-green algaSynechocystis PCC 6803 is controlled by redox state of plastiquinone pool, but not by the phosphorylation of thylakoid membrane proteins.

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Correspondence to Junjiang Shen.

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Shen, J., Wang, G. State transition in blue-green algaSynechocystis PCC 6803. Chin.Sci.Bull. 43, 2087–2091 (1998).

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  • blue-green alga
  • state transition
  • inhibitor
  • chlorophyll fluorescence