Mycorrhiza-induced resistance: more than the sum of its parts?

نویسندگان

  • Duncan D Cameron
  • Andrew L Neal
  • Saskia C M van Wees
  • Jurriaan Ton
چکیده

Plants can develop an enhanced defensive capacity in response to infection by arbuscular mycorrhizal fungi (AMF). This 'mycorrhiza-induced resistance' (MIR) provides systemic protection against a wide range of attackers and shares characteristics with systemic acquired resistance (SAR) after pathogen infection and induced systemic resistance (ISR) following root colonisation by non-pathogenic rhizobacteria. It is commonly assumed that fungal stimulation of the plant immune system is solely responsible for MIR. In this opinion article, we present a novel model of MIR that integrates different aspects of the induced resistance phenomenon. We propose that MIR is a cumulative effect of direct plant responses to mycorrhizal infection and indirect immune responses to ISR-eliciting rhizobacteria in the mycorrhizosphere.

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عنوان ژورنال:
  • Trends in plant science

دوره 18 10  شماره 

صفحات  -

تاریخ انتشار 2013