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Article

Expression and manipulation of phosphoenolpyruvate carboxykinase 1 identifies a role for malate metabolism in stomatal closure.

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

Penfield Steven, Clements Sarah, Bailey Karen J, Gilday Alison D, Leegood Richard C, Gray Julie E, Graham Ian A

Abstract excerpt

Malate, along with potassium and chloride ions, is an important solute for maintaining turgor pressure during stomatal opening. Although malate is exported from guard cells during stomatal closure, there is controversy as to whether malate is also metabolised. We provide evidence that phosphoenolpyruvate carboxykinase (PEPCK), an enzyme involved in malate metabolism and gluconeogenesis, is necessary for full...

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Identifiers

PMID: 22007864
DOI: 10.1111/j.1365-313X.2011.04822.x

Genes

PCK1

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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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