Drought stress-induced upregulation of components involved in ferredoxin-dependent cyclic electron transfer.

Abstract excerpt

Linear photosynthetic electron transfer, consisting of both Photosystem (PS) II and PSI, converts light energy into the chemical forms ATP and NADPH, whereas PSI cyclic electron transfer (CET) is exclusively involved in ATP synthesis. In the chloroplasts of higher plants, there are two partially redundant CET routes. The ferredoxin (FD) or ferredoxin-plastoquinone reductase (FQR)-dependent route cycles electrons...

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