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  Molecular mechanisms and regulation of plant ion channels

Czempinski, K., Gaedeke, N., Zimmermann, S., & Mueller-Roeber, B. (1999). Molecular mechanisms and regulation of plant ion channels. In 11th International Workshop on Plant Membrane Biology (pp. 955-966).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-309A-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-309B-5
Genre: Conference Paper

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 Creators:
Czempinski, K.1, Author              
Gaedeke, N.1, Author              
Zimmermann, S.1, Author              
Mueller-Roeber, B.1, Author              
Affiliations:
1Plant Signalling, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753311              

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Free keywords: arabidopsis channel mutants xenopus oocytes insect cells kco family rectifying potassium channel dependent chloride channel 2 pore domains k+-channel arabidopsis-thaliana guard-cells xenopus-oocytes plasma-membrane abscisic-acid saccharomyces-cerevisiae
 Abstract: Plant ion channel activities are rapidly modulated in response to several environmental and endogenous stimuli. Electrophysiological as well as pharmacological studies provide strong evidence that ion channels are essential for the induction of specific cellular responses and that they are themselves subject to regulation by a variety of cellular factors. Genes anal cDNAs of several plant ion channels have been identified in recent years giving access to molecular mechanisms of such regulatory processes. Cloned inwardly rectifying potassium channels have been investigated in various heterologous expression systems. Two other ion channel classes, namely members of the 'two-pore' K+ channel family as well as of the anion-conducting chloride channel (CIC) family, have been cloned, but a direct link to corresponding plasma membrane or endomembrane ion channel conductances has not been demonstrated yet. Analysis of cellular expression patterns of plant ion channel genes in combination with transgenic approaches now gives access to a detailed ex planta/in planta correlation of channel function, as has recently been demonstrated for proteins of the K-in(+) channel family. This review summarizes current knowledge on molecular structures and some features of structure-function relationships of plant ion channels.

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Language(s): eng - English
 Dates: 1999
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: ISI:000081307300007
DOI: 10.1093/jexbot/50.suppl_1.955
URI: ://000081307300007
 Degree: -

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Title: 11th International Workshop on Plant Membrane Biology
Place of Event: UNIV CAMBRIDGE, CAMBRIDGE, ENGLAND
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Title: 11th International Workshop on Plant Membrane Biology
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 955 - 966 Identifier: -