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Article

Abscisic acid increases hydrogen peroxide in mitochondria to facilitate stomatal closure.

Plant physiology - 2 May 2023

Postiglione Anthony E, Muday Gloria K

Abstract excerpt

Abscisic acid (ABA) drives stomatal closure to minimize water loss due to transpiration in response to drought. We examined the subcellular location of ABA-increased accumulation of reactive oxygen species (ROS) in guard cells, which drive stomatal closure, in Arabidopsis (Arabidopsis thaliana). ABA-dependent increases in fluorescence of the generic ROS sensor, dichlorofluorescein (DCF), were observed in...

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Identifiers

PMID: 36573336
DOI: 10.1093/plphys/kiac601
PMCID: PMC10152677

Provenance

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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Abscisic acid increases hydrogen peroxide in mitochondria to facilitate stomatal closure.PMID 36573336Read ↗

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