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@ARTICLE{Dey:171826,
author = {Dey, S. and Wenig, M. and Langen, G. and Sharma, S. and
Kugler, K. and Knappe, C. and Hause, B. and Bichlmeier, M.
and Babaeizad, V. and Imani, J. and Janzik, I. and Stempfl,
T. and Hueckelhoven, R. and Kogel, K.-H. and Mayer, K. F.
and Vlot, C.},
title = {{B}acteria-triggered systemic immunity in barley appears to
be associated with {WRKY} and {ETHYLENE} {RESPONSIVE}
{FACTOR}s but not with salicylic acid},
journal = {Plant physiology},
volume = {166},
number = {4},
issn = {1532-2548},
address = {Rockville, Md.},
publisher = {Soc.},
reportid = {FZJ-2014-05385},
pages = {2133-2151},
year = {2014},
abstract = {Leaf-to-leaf systemic immune signaling known as systemic
acquired resistance is poorly understood in monocotyledonous
plants. Here, we characterize systemic immunity in barley
(Hordeum vulgare) triggered after primary leaf infection
with either Pseudomonas syringae pathovar japonica (Psj) or
Xanthomonas translucens pathovar cerealis (Xtc). Both
pathogens induced resistance in systemic, uninfected leaves
against a subsequent challenge infection with Xtc. In
contrast to systemic acquired resistance in Arabidopsis
(Arabidopsis thaliana), systemic immunity in barley was not
associated with NONEXPRESSOR OF PATHOGENESIS-RELATED GENES1
or the local or systemic accumulation of salicylic acid.
Instead, we documented a moderate local but not systemic
induction of abscisic acid after infection of leaves with
Psj. In contrast to salicylic acid or its functional analog
benzothiadiazole, local applications of the jasmonic acid
methyl ester or abscisic acid triggered systemic immunity to
Xtc. RNA sequencing analysis of local and systemic
transcript accumulation revealed unique gene expression
changes in response to both Psj and Xtc and a clear
separation of local from systemic responses. The systemic
response appeared relatively modest, and quantitative
reverse transcription-polymerase chain reaction associated
systemic immunity with the local and systemic induction of
two WRKY and two ETHYLENE RESPONSIVE FACTOR (ERF)-like
transcription factors. Systemic immunity against Xtc was
further associated with transcriptional changes after a
secondary/systemic Xtc challenge infection; these changes
were dependent on the primary treatment. Taken together,
bacteria-induced systemic immunity in barley may be mediated
in part by WRKY and ERF-like transcription factors, possibly
facilitating transcriptional reprogramming to potentiate
immunity.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {89582 - Plant Science (POF2-89582)},
pid = {G:(DE-HGF)POF2-89582},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000346016400038},
pubmed = {pmid:25332505},
doi = {10.1104/pp.114.249276},
url = {https://juser.fz-juelich.de/record/171826},
}