Jasmonate signalling and defence responses in the model legume medicago truncatula—a focus on responses to Fusarium wilt disease

L.F. Thatcher, L.L. Gao, Karam Singh

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)111-128
Number of pages18
JournalPlants
Volume5
Issue number1
DOIs
Publication statusPublished - 2016

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