Temporary stabilization of electron on quinone acceptor side of reaction centers from the bacterium Rhodobacter sphaeroides wild type and mutant SA(L223) depending on duration of light activation.

Abstract excerpt

The dark reduction of photooxidized bacteriochlorophyll (P+) by photoreduced secondary quinone acceptor (QB-) in isolated reaction centers (RC) from the bacterium Rhodobacter sphaeroides wild type and mutant strain SA(L223) depending on the duration of light activation of RC was studied. The kinetics of the dark reduction of P+ decreased with increasing light duration, which is probably due to conformational...

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