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Article

Fine-tuned regulation of the K+ /H+ antiporter KEA3 is required to optimize photosynthesis during induction.

The Plant journal : for cell and molecular biology - 1 Feb 2017

Wang Caijuan, Yamamoto Hiroshi, Narumiya Fumika, Munekage Yuri Nakajima, Finazzi Giovanni, Szabo Ildiko, Shikanai Toshiharu

Abstract excerpt

KEA3 is a thylakoid membrane localized K+ /H+ antiporter that regulates photosynthesis by modulating two components of proton motive force (pmf), the proton gradient (∆pH) and the electric potential (∆ψ). We identified a mutant allele of KEA3, disturbed proton gradient regulation (dpgr) based on its reduced non-photochemical quenching (NPQ) in artificial (CO2 -free with low O2 ) air. This phenotype was enhanced...

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Identifiers

PMID: 27783435
DOI: 10.1111/tpj.13405

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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