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@ARTICLE{Estelle:903849,
author = {Estelle, Deboever and Géraldine, Van Aubel and Valeria,
Rondelli and Koutsioumpas, Alexandros and Marion,
Mathelie-Guinlet and Dufrene Yves, F. and Marc, Ongena and
Laurence, Lins and Pierre, Van Cutsem and Marie-Laure,
Fauconnier and Magali, Deleu},
title = {{M}odulation of {P}lant {P}lasma {M}embrane {S}tructure by
{E}xogenous {F}atty {A}cid {H}ydroperoxide is a {P}otential
{P}erception {M}echanism for their {E}liciting {A}ctivity},
journal = {Plant, cell $\&$ environment},
volume = {45},
number = {4},
issn = {0140-7791},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2021-05482},
pages = {1082-1095},
year = {2022},
abstract = {Oxylipins are lipid-derived molecules that are ubiquitous
in eukaryotes and whose functions in plant physiology have
been widely reported. They appear to play a major role in
plant immunity by orchestrating reactive oxygen species
(ROS) and hormone-dependent signalling pathways. The present
work focuses on the specific case of fatty acid
hydroperoxides (HPOs). Although some studies report their
potential use as exogenous biocontrol agents for plant
protection, evaluation of their efficiency in planta is
lacking and no information is available about their
mechanism of action. In this work, the potential of
13(S)-hydroperoxy-(9Z,11E)-octadecadienoic acid (13-HPOD)
and 13(S)-hydroperoxy-(9Z,11E,15Z)-octadecatrienoic acid
(13-HPOT), as plant defence elicitors and the underlying
mechanism of action are investigated. Arabidopsis thaliana
leaf resistance to Botrytis cinerea was observed after root
application with HPOs. They also activate early
immunity-related defence responses, like ROS. As previous
studies have demonstrated their ability to interact with
plant plasma membranes (PPM), we have further investigated
the effects of HPOs on biomimetic PPM structure using
complementary biophysics tools. Results show that HPO
insertion into PPM impacts its global structure without
solubilizing it. Relationship between biological assays and
biophysical analysis suggests that lipid amphiphilic
elicitors that directly act on membrane lipids might trigger
early plant defence events.},
cin = {JCNS-FRM-II / JCNS-2 / JCNS-4 / MLZ},
ddc = {580},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)MARIA-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:34859447},
UT = {WOS:000741396900001},
doi = {10.1111/pce.14239},
url = {https://juser.fz-juelich.de/record/903849},
}