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PMID: 28408539 Published · ppublish English Journal Article Review

The Membrane Transport System of the Guard Cell and Its Integration for Stomatal Dynamics.

Plant physiology ·Vol. 174 ·No. 2 ·2017-06-00 ·Pages 487-519

Jezek M, Blatt MR

Abstract

Stomatal guard cells are widely recognized as the premier plant cell model for membrane transport, signaling, and homeostasis. This recognition is rooted in half a century of research into ion transport across the plasma and vacuolar membranes of guard cells that drive stomatal movements and the signaling mechanisms that regulate them. Stomatal guard cells surround pores in the epidermis of plant leaves, controlling the aperture of the pore to balance CO2 entry into the leaf for photosynthesis with water loss via transpiration. The position of guard cells in the epidermis is ideally suited for cellular and subcellular research, and their sensitivity to endogenous signals and environmental stimuli makes them a primary target for physiological studies. Stomata underpin the challenges of water availability and crop production that are expected to unfold over the next 20 to 30 years. A quantitative understanding of how ion transport is integrated and controlled is key to meeting these challenges and to engineering guard cells for improved water use efficiency and agricultural yields.

MeSH Terms
Biological Transport Calcium/metabolism Calcium Signaling Cell Membrane/metabolism Phosphorylation Plant Cells/metabolism Plant Leaves/metabolism Plant Stomata/cytology,physiology Water/metabolism
Chemicals
Water Calcium
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Jezek Mareike ORCID
Laboratory of Plant Physiology and Biophysics, University of Glasgow, Glasgow G12 8QQ, United Kingdom.
Blatt Michael R ORCID
Laboratory of Plant Physiology and Biophysics, University of Glasgow, Glasgow G12 8QQ, United Kingdom michael.blatt@glasgow.ac.uk.
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Article Info
Journal
Plant physiology
Abbr.
Plant Physiol
ISSN
1532-2548
DOI
10.1104/pp.16.01949
Email
michael.blatt@glasgow.ac.uk
Published
2017-06-00
Epub
2017-00-13
Pages
487-519
Language
English
Region
United States
NLM ID
0401224
PMCID
PMC5462021
Subset
IM
Grants
Biotechnology and Biological Sciences Research Council · BB/F001630/1 · United Kingdom
Biotechnology and Biological Sciences Research Council · BB/F001673/1 · United Kingdom
Biotechnology and Biological Sciences Research Council · BB/H009817/1 · United Kingdom
External Links
PubMed source DOI: 10.1104/pp.16.01949 PMC Full Text View journal details
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