Activation of the jasmonic acid plant defence pathway alters the composition of rhizosphere bacterial communities

Carvalhais, Lilia C., Dennis, Paul G., Badri, Dayakar V., Tyson, Gene W., Vivanco, Jorge M. and Schenk, Peer M. (2013) Activation of the jasmonic acid plant defence pathway alters the composition of rhizosphere bacterial communities. PLoS ONE, 8 2: . doi:10.1371/journal.pone.0056457


Author Carvalhais, Lilia C.
Dennis, Paul G.
Badri, Dayakar V.
Tyson, Gene W.
Vivanco, Jorge M.
Schenk, Peer M.
Title Activation of the jasmonic acid plant defence pathway alters the composition of rhizosphere bacterial communities
Journal name PLoS ONE   Check publisher's open access policy
ISSN 1932-6203
Publication date 2013-02
Sub-type Article (original research)
DOI 10.1371/journal.pone.0056457
Open Access Status DOI
Volume 8
Issue 2
Total pages 5
Place of publication San Francisco, CA, United States
Publisher Public Library of Science
Collection year 2014
Language eng
Abstract Jasmonic acid (JA) signalling plays a central role in plant defences against necrotrophic pathogens and herbivorous insects, which afflict both roots and shoots. This pathway is also activated following the interaction with beneficial microbes that may lead to induced systemic resistance. Activation of the JA signalling pathway via application of methyl jasmonate (MeJA) alters the composition of carbon containing compounds released by roots, which are implicated as key determinants of rhizosphere microbial community structure. In this study, we investigated the influence of the JA defence signalling pathway activation in Arabidopsis thaliana on the structure of associated rhizosphere bacterial communities using 16S rRNA gene amplicon pyrosequencing. Application of MeJA did not directly influence bulk soil microbial communities but significant changes in rhizosphere community composition were observed upon activation of the jasmonate signalling pathway. Our results suggest that JA signalling may mediate plant-bacteria interactions in the soil upon necrotrophic pathogen and herbivorous insect attacks.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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