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Article

Relative contributions of PGR5- and NDH-dependent photosystem I cyclic electron flow in the generation of a proton gradient in Arabidopsis chloroplasts.

Planta - 1 Nov 2017

Kawashima Rinya, Sato Ryoichi, Harada Kyohei, Masuda Shinji

Abstract excerpt

MAIN CONCLUSION: Respective contributions of PGR5- and NDH-dependent cyclic electron flows around photosystem I for generating the proton gradient across the thylakoid membrane are ~30 and ~5%. The proton concentration gradient across the thylakoid membrane (ΔpH) produced by photosynthetic electron transport is the driving force of ATP synthesis and non-photochemical quenching. Two types of electron transfer...

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PMID: 28828567
DOI: 10.1007/s00425-017-2761-1

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