Article
Photosynthetic growth despite a broken Q-cycle.
Nature communications - 1 Jan 2011
Malnoë Alizée, Wollman Francis-André, de Vitry Catherine, Rappaport Fabrice
Abstract excerpt
Central in respiration or photosynthesis, the cytochrome bc(1) and b(6)f complexes are regarded as functionally similar quinol oxidoreductases. They both catalyse a redox loop, the Q-cycle, which couples electron and proton transfer. This loop involves a bifurcated electron transfer step considered as being mechanistically mandatory, making the Q-cycle indispensable for growth. Attempts to falsify this paradigm...
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