Protein phosphorylation in ABA-induced stomatal closure and in blue light-induced stomatal opening

 

Protein phosphorylation in stomatal movement. 

by Zhang T., Chen S., Harmon A. (2014)

in  Plant Signal. Behav. 9:e972845. – doi: 10.4161/15592316.2014.972845 –

PubMed Abstract | CrossRef Full Text | Google Scholar –

http://www.tandfonline.com/doi/full/10.4161/15592316.2014.972845

 

As research progresses on how guard cells perceive and transduce environmental cues to regulate stomatal movement, plant biologists are discovering key roles of protein phosphorylation.

Early research efforts focused on characterization of ion channels and transporters in guard cell hormonal signaling.

Subsequent genetic studies identified mutants of kinases and phosphatases that are defective in regulating guard cell ion channel activities, and recently proteins regulated by phosphorylation have been identified.

Here we review the essential role of protein phosphorylation in ABA-induced stomatal closure and in blue light-induced stomatal opening. We also highlight evidence for the cross-talk between different pathways, which is mediated by protein phosphorylation.

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Published by

Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.

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