Cytosolic malate and oxaloacetate activate S-type anion channels in Arabidopsis guard cells.

doi:10.1111/nph.15292

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Article

Cytosolic malate and oxaloacetate activate S-type anion channels in Arabidopsis guard cells.

The New phytologist - 1 Oct 2018

Wang Cun, Zhang Jingbo, Wu Juyou, Brodsky Dennis E, Schroeder Julian I

Abstract excerpt

Intracellular malate-starch interconversion plays an important role in stomatal movements. We investigated whether malate or oxaloacetate from the cytosolic membrane side regulate anion channels in the plasma membrane of Arabidopsis thaliana guard cells. Physiological concentrations of cytosolic malate have been reported in the range of 0.4-3 mM in leaf cells. Guard cell patch clamp and two-electrode oocyte...

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PMID: 29971803
DOI: 10.1111/nph.15292
PMCID: PMC6115288

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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.