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Article

Constitutive activation of a plasma membrane H(+)-ATPase prevents abscisic acid-mediated stomatal closure.

The EMBO journal - 11 Jul 2007

Merlot Sylvain, Leonhardt Nathalie, Fenzi Francesca, Valon Christiane, Costa Miguel, Piette Laurie, Vavasseur Alain, Genty Bernard, Boivin Karine, Müller Axel, Giraudat Jérôme, Leung Jeffrey

Abstract excerpt

Light activates proton (H(+))-ATPases in guard cells, to drive hyperpolarization of the plasma membrane to initiate stomatal opening, allowing diffusion of ambient CO(2) to photosynthetic tissues. Light to darkness transition, high CO(2) levels and the stress hormone abscisic acid (ABA) promote stomatal closing. The overall H(+)-ATPase activity is diminished by ABA treatments, but the significance of this...

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Identifiers

PMID: 17557075
DOI: 10.1038/sj.emboj.7601750
PMCID: PMC1914098

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Constitutive activation of a plasma membrane H(+)-ATPase prevents abscisic acid-mediated stomatal closure.PMID 17557075Read ↗

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VAMP711 Is Required for Abscisic Acid-Mediated Inhibition of Plasma Membrane H+-ATPase Activity.Semantic proximity Read ↗

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A BLUS1 kinase signal and a decrease in intercellular CO2 concentration are necessary for stomatal opening in response to blue light.Semantic proximity Read ↗

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