A CFTR chloride channel activator prevents HrpN(ea)-induced cell death in Arabidopsis thaliana suspension cells

Reboutier, David, Frankart, Cecile, Vedel, Regine, Brault, Mathias, Duggleby, Ronald G., Rona, Jean Pierre, Barny, Marie Anne and Bouteau, Francois (2005) A CFTR chloride channel activator prevents HrpN(ea)-induced cell death in Arabidopsis thaliana suspension cells. Plant Physiology and Biochemistry, 43 6: 567-572.


Author Reboutier, David
Frankart, Cecile
Vedel, Regine
Brault, Mathias
Duggleby, Ronald G.
Rona, Jean Pierre
Barny, Marie Anne
Bouteau, Francois
Title A CFTR chloride channel activator prevents HrpN(ea)-induced cell death in Arabidopsis thaliana suspension cells
Journal name Plant Physiology and Biochemistry   Check publisher's open access policy
ISSN 0981-9428
Publication date 2005-06
Sub-type Article (original research)
DOI 10.1016/j.plaphy.2005.03.003
Volume 43
Issue 6
Start page 567
End page 572
Total pages 6
Place of publication Paris
Publisher Elsevier
Collection year 2005
Language eng
Subject C1
270402 Plant Physiology
780105 Biological sciences
Abstract Erwinia amylovora is a necrogenic bacterium that causes fire blight of the Maloideae subfamily of Roseacae, such as apple and pear. It provokes necrosis in aerial parts of susceptible host plants and the typical hypersensitive reaction in non-host plants. The secreted hatpin, HrpN(ea), is able by itself to induce an active cell death in non-host plants. Ion flux modulations were shown to be involved early in such processes but very few data are available on the plasma membrane ion channel activities responsible for the pathogen-induced ion fluxes. We show here that HrpNea induces cell death in non-host Arabidopsis thaliana suspension cells. We further show that two cystic fibrosis transmembrane conductance regulator modulators, glibenclamide and bromotetramisole, can regulate anion channel activities and HrpN(ea)-induced cell death. (c) 2005 Elsevier SAS. All rights reserved.
Keyword Plant Sciences
Anion Channel
Arabidopsis Thaliana
Cell Death
Cftr
Harpin
Slow Anion Channels
Erwinia-amylovora
Acetohydroxyacid Synthase
Oxidative Burst
Abscisic-acid
Pseudomonas-syringae
Defense Responses
Volume Regulation
Tobacco Cells
Early Events
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Faculty of Science Publications
2006 Higher Education Research Data Collection
 
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Created: Wed, 15 Aug 2007, 06:33:25 EST