Regulation of light-induced H+ extrusion and uptake by cyanobacterial homologs of the plastidial FLAP1, DLDG1, and Ycf10 in Synechocystis sp. PCC6803.

Abstract excerpt

Upon a dark-to-light transition, multiple species of cyanobacteria release a certain amount of H+ from the inside to the outside of their cells. Previous studies revealed the plasma membrane-localizing Proton exchange A (PxcA) is involved in the light-induced H+ extrusion in the cyanobacterium Synechocystis sp. PCC6803. Among oxygenic phototrophs, two PxcA homologs are conserved; they are the nuclear-encoded...

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