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PMID: 25494462 Published · ppublish English Journal Article Research Support, N.I.H., Extramural Research Support, U.S. Gov't, Non-P.H.S. Review

United in diversity: mechanosensitive ion channels in plants.

Annual review of plant biology ·Vol. 66 ·2015-00-00 ·Pages 113-37

Hamilton ES, Schlegel AM, Haswell ES

Abstract

Mechanosensitive (MS) ion channels are a common mechanism for perceiving and responding to mechanical force. This class of mechanoreceptors is capable of transducing membrane tension directly into ion flux. In plant systems, MS ion channels have been proposed to play a wide array of roles, from the perception of touch and gravity to the osmotic homeostasis of intracellular organelles. Three families of plant MS ion channels have been identified: the MscS-like (MSL), Mid1-complementing activity (MCA), and two-pore potassium (TPK) families. Channels from these families vary widely in structure and function, localize to multiple cellular compartments, and conduct chloride, calcium, and/or potassium ions. However, they are still likely to represent only a fraction of the MS ion channel diversity in plant systems.

Keywords
MCA MSL MscS TPK1 mechanotransduction
MeSH Terms
Calcium/metabolism Ion Channels/metabolism Ion Transport Mechanotransduction, Cellular Plant Proteins/metabolism Plants/metabolism Potassium/metabolism
Chemicals
Ion Channels Plant Proteins Potassium Calcium
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Hamilton Eric S
Department of Biology, Washington University in Saint Louis, Saint Louis, Missouri 63130; email: eric.hamilton@wustl.edu , angela.schlegel@wustl.edu , ehaswell@wustl.edu.
Schlegel Angela M
Haswell Elizabeth S
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Article Info
Journal
Annual review of plant biology
Abbr.
Annu Rev Plant Biol
ISSN
1545-2123
DOI
10.1146/annurev-arplant-043014-114700
Email
eric.hamilton@wustl.edu
angela.schlegel@wustl.edu
ehaswell@wustl.edu
Published
2015-00-00
Epub
2014-00-08
Pages
113-37
Language
English
Region
United States
NLM ID
101140127
PMCID
PMC4470482
Subset
IM
Grants
NIGMS NIH HHS · R01 GM084211 · United States
NIGMS NIH HHS · 2R01GM084211 · United States
External Links
PubMed source DOI: 10.1146/annurev-arplant-043014-114700 PMC Full Text View journal details
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