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Article

PTOX-dependent safety valve does not oxidize P700 during photosynthetic induction in the Arabidopsis pgr5 mutant.

Plant physiology - 4 Feb 2022

Zhou Qi, Wang Caijuan, Yamamoto Hiroshi, Shikanai Toshiharu

Abstract excerpt

Plastid terminal oxidase (PTOX) accepts electrons from plastoquinol to reduce molecular oxygen to water. We introduced the gene encoding Chlamydomonas reinhardtii (Cr)PTOX2 into the Arabidopsis (Arabidopsis thaliana) wild-type (WT) and proton gradient regulation5 (pgr5) mutant defective in cyclic electron transport around photosystem I (PSI). The accumulation of CrPTOX2 only mildly affected photosynthetic...

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Identifiers

PMID: 34792607
DOI: 10.1093/plphys/kiab541
PMCID: PMC8825263

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