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@article{1369136,
author = {Sándor, Roman and Der, Christophe and Grosjean, Kevin and Anca, Iulia and Noirot, Elodie and LeborgneandCastel, Nathalie and Lochman, Jan and SimonandPlas, Francoise and GerbeauandPissot, Patricia},
article_location = {Oxford},
article_number = {17},
doi = {http://dx.doi.org/10.1093/jxb/erw284},
keywords = {Cryptogein mutants; elicitors; fluidity; membrane order; plant defence; plasma membrane; reactive oxygen species; signalling},
language = {eng},
issn = {0022-0957},
journal = {Journal of Experimental Botany},
title = {Plasma membrane order and fluidity are diversely triggered by elicitors of plant defence},
volume = {67},
year = {2016}
}
TY - JOUR
ID - 1369136
AU - Sándor, Roman - Der, Christophe - Grosjean, Kevin - Anca, Iulia - Noirot, Elodie - Leborgne-Castel, Nathalie - Lochman, Jan - Simon-Plas, Francoise - Gerbeau-Pissot, Patricia
PY - 2016
TI - Plasma membrane order and fluidity are diversely triggered by elicitors of plant defence
JF - Journal of Experimental Botany
VL - 67
IS - 17
SP - 5173-5185
EP - 5173-5185
PB - OXFORD UNIV PRESS
SN - 00220957
KW - Cryptogein mutants
KW - elicitors
KW - fluidity
KW - membrane order
KW - plant defence
KW - plasma membrane
KW - reactive oxygen species
KW - signalling
N2 - Although plants are exposed to a great number of pathogens, they usually defend themselves by triggering mechanisms able to limit disease development. Alongside signalling events common to most such incompatible interactions, modifications of plasma membrane (PM) physical properties could be new players in the cell transduction cascade. Different pairs of elicitors (cryptogein, oligogalacturonides, and flagellin) and plant cells (tobacco and Arabidopsis) were used to address the issue of possible modifications of plant PM biophysical properties induced by elicitors and their links to other events of the defence signalling cascade. We observed an increase of PM order whatever the elicitor/plant cell pair used, provided that a signalling cascade was induced. Such membrane modification is dependent on the NADPH oxidase-mediated reactive oxygen species production. Moreover, cryptogein, which is the sole elicitor able to trap sterols, is also the only one able to trigger an increase in PM fluidity. The use of cryptogein variants with altered sterol-binding properties confirms the strong correlation between sterol removal from the PM and PM fluidity enhancement. These results propose PM dynamics as a player in early signalling processes triggered by elicitors of plant defence.
ER -
SÁNDOR, Roman, Christophe DER, Kevin GROSJEAN, Iulia ANCA, Elodie NOIROT, Nathalie LEBORGNE-CASTEL, Jan LOCHMAN, Francoise SIMON-PLAS and Patricia GERBEAU-PISSOT. Plasma membrane order and fluidity are diversely triggered by elicitors of plant defence. \textit{Journal of Experimental Botany}. Oxford: OXFORD UNIV PRESS, 2016, vol.~67, No~17, p.~5173-5185. ISSN~0022-0957. Available from: https://dx.doi.org/10.1093/jxb/erw284.
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