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Article

Oxidation of P700 in Photosystem I Is Essential for the Growth of Cyanobacteria.

Plant physiology - 1 Nov 2016

Shimakawa Ginga, Shaku Keiichiro, Miyake Chikahiro

Abstract excerpt

The photoinhibition of photosystem I (PSI) is lethal to oxygenic phototrophs. Nevertheless, it is unclear how photodamage occurs or how oxygenic phototrophs prevent it. Here, we provide evidence that keeping P700 (the reaction center chlorophyll in PSI) oxidized protects PSI. Previous studies have suggested that PSI photoinhibition does not occur in the two model cyanobacteria, Synechocystis sp. PCC 6803 and...

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Identifiers

PMID: 27613853
DOI: 10.1104/pp.16.01227
PMCID: PMC5100761

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