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Brachypodium as an emerging model for cereal-pathogen interactions.

Timothy L Fitzgerald1, Jonathan J Powell2, Katharina Schneebeli3

  • 1Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA timothy.l.fitzgerald@gmail.com.

Annals of Botany
|March 27, 2015
PubMed
Summary
This summary is machine-generated.

Brachypodium distachyon is a valuable model for studying cereal diseases, offering insights into host-pathogen interactions. Research using this model can lead to improved crop resistance strategies and enhanced food security.

Keywords:
Brachypodium distachyonFusariumMagnaporthePucciniaPyrenophoraRhizoctoniaStagonosporaXanthomonasbarley stripe mosaic viruscereal–pathogen interactionecotypesfunctional genomicsmodel speciesmutantsplant defence

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Area of Science:

  • Plant Pathology
  • Genomics
  • Agricultural Science

Background:

  • Cereal diseases cause significant global economic losses and humanitarian crises.
  • Understanding cereal host-pathogen interactions is key to developing new resistance strategies.
  • Large cereal genomes and long generation times hinder research, necessitating tractable models.

Purpose of the Study:

  • To review experimental pathosystems in Brachypodium distachyon for studying cereal pathogens.
  • To assess the current use of brachypodium for functional analysis of cereal disease resistance.
  • To explore comparative genomic approaches and future prospects of brachypodium as a model.

Main Methods:

  • Review of existing literature on brachypodium experimental pathosystems.
  • Analysis of brachypodium's susceptibility to major cereal pathogens.
  • Examination of functional genomics and comparative genomics studies.

Main Results:

  • Brachypodium is susceptible to numerous major cereal pathogens, making it a suitable model.
  • The model facilitates the study of fungal, bacterial, and viral cereal pathogens.
  • Brachypodium aids in the functional analysis of disease resistance and characterization of resistance genes.

Conclusions:

  • Studying brachypodium-pathogen interactions effectively elucidates cereal disease resistance mechanisms.
  • Findings from brachypodium research hold significant potential for improving crop varieties.
  • This model system is crucial for advancing agricultural science and ensuring food security.