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Plant Signal Behav. 2011 May;6(5):740-2. Epub 2011 May 1.

Regulation of stomatal opening by the guard cell expansin AtEXPA1.

Author information

1
State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, China.

Abstract

Stomatal movement is strictly regulated by various intracellular and extracellular factors in response environmental signals. In our recent study, we found that an Arabidopsis guard cell expressed expansin, AtEXPA1, regulates stomatal opening by altering the structure of the guard cell wall. This addendum proposes a mechanism by which guard cell expansins regulate stomatal movement.

PMID:
21593593
PMCID:
PMC3172853
DOI:
10.4161/psb.6.5.15144
[Indexed for MEDLINE]
Free PMC Article

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