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Plant pathogen effectors: getting mixed messages.

David L Greenshields1, Jonathan D G Jones

  • 1The Sainsbury Laboratory, John Innes Centre, Norwich NR4 7BU, UK.

Current Biology : CB
|February 14, 2008
PubMed
Summary
This summary is machine-generated.

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Plant pathogens use transcription factors to activate genes benefiting themselves. However, some plants have evolved to exploit these pathogen factors for their own defense mechanisms.

Area of Science:

  • Plant pathology
  • Molecular biology
  • Genetics

Background:

  • Plant pathogens secrete effector proteins that manipulate host processes.
  • Some effectors mimic host transcription factors to control gene expression.

Purpose of the Study:

  • To investigate the dual role of plant pathogen effectors.
  • To explore how plants utilize pathogen-derived transcription factors.

Main Methods:

  • Bioinformatic analysis of effector protein sequences.
  • Gene expression profiling in infected plant tissues.
  • Functional assays to determine effector activity.

Main Results:

  • Pathogen effectors were confirmed to mimic plant transcription factors.

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  • These effectors activate specific plant genes.
  • Plants were shown to co-opt these effectors for defense.

    • Conclusions:

    • Plant pathogen effectors can be repurposed by the host plant.
    • This represents a novel plant defense strategy.
    • Understanding this interaction can lead to new disease control methods.