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Article

PHO1 expression in guard cells mediates the stomatal response to abscisic acid in Arabidopsis.

The Plant journal : for cell and molecular biology - 1 Oct 2012

Zimmerli Céline, Ribot Cécile, Vavasseur Alain, Bauer Hubert, Hedrich Rainer, Poirier Yves

Abstract excerpt

Stomatal opening and closing are driven by ion fluxes that cause changes in guard cell turgor and volume. This process is, in turn, regulated by environmental and hormonal signals, including light and the phytohormone abscisic acid (ABA). Here, we present genetic evidence that expression of PHO1 in guard cells of Arabidopsis thaliana is required for full stomatal responses to ABA. PHO1 is involved in the export...

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PMID: 22612335
DOI: 10.1111/j.1365-313X.2012.05058.x

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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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