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Plants 2016, 5(1), 11; doi:10.3390/plants5010011

Jasmonate Signalling and Defence Responses in the Model Legume Medicago truncatula—A Focus on Responses to Fusarium Wilt Disease

1
CSIRO Agriculture, Centre for Environment and Life Sciences, Wembley, Western Australia 6913, Australia
2
The Institute of Agriculture, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Debora Gasperini
Received: 27 November 2015 / Revised: 1 February 2016 / Accepted: 3 February 2016 / Published: 5 February 2016
(This article belongs to the Special Issue The Jasmonate Pathway)
View Full-Text   |   Download PDF [509 KB, uploaded 5 February 2016]   |  

Abstract

Jasmonate (JA)-mediated defences play important roles in host responses to pathogen attack, in particular to necrotrophic fungal pathogens that kill host cells in order to extract nutrients and live off the dead plant tissue. The root-infecting fungal pathogen Fusarium oxysporum initiates a necrotrophic growth phase towards the later stages of its lifecycle and is responsible for devastating Fusarium wilt disease on numerous legume crops worldwide. Here we describe the use of the model legume Medicago truncatula to study legume–F. oxysporum interactions and compare and contrast this against knowledge from other model pathosystems, in particular Arabidopsis thaliana–F. oxysporum interactions. We describe publically-available genomic, transcriptomic and genetic (mutant) resources developed in M. truncatula that enable dissection of host jasmonate responses and apply aspects of these herein during the M. truncatula-–F. oxysporum interaction. Our initial results suggest not all components of JA-responses observed in M. truncatula are shared with Arabidopsis in response to F. oxysporum infection. View Full-Text
Keywords: methyl jasmonate; pathogen; necrotroph; Fusarium; Medicago; barrel medic; Tnt-insertion; gene expression; signaling methyl jasmonate; pathogen; necrotroph; Fusarium; Medicago; barrel medic; Tnt-insertion; gene expression; signaling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Thatcher, L.F.; Gao, L.-L.; Singh, K.B. Jasmonate Signalling and Defence Responses in the Model Legume Medicago truncatula—A Focus on Responses to Fusarium Wilt Disease. Plants 2016, 5, 11.

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