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Article

A complex and dynamic redox network regulates oxygen reduction at photosystem I in Arabidopsis.

Plant physiology - 23 Dec 2024

Hani Umama, Naranjo Belen, Shimakawa Ginga, Espinasse Christophe, Vanacker Hélène, Sétif Pierre, Rintamäki Eevi, Issakidis-Bourguet Emmanuelle, Krieger-Liszkay Anja

Abstract excerpt

Thiol-dependent redox regulation of enzyme activities plays a central role in regulating photosynthesis. Besides the regulation of metabolic pathways, alternative electron transport is subjected to thiol-dependent regulation. We investigated the regulation of O2 reduction at photosystem I. The level of O2 reduction in leaves and isolated thylakoid membranes depends on the photoperiod in which plants are grown. We...

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PMID: 39324622
DOI: 10.1093/plphys/kiae501

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