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Related Experiment Videos

Flagellin perception: a paradigm for innate immunity.

Lourdes Gómez-Gómez1, Thomas Boller

  • 1Sección de Biotecnología, IDR, Campus Universitario s/n, E-02071 Albacete, Spain. mlgomez@idr-ab.uclm.es

Trends in Plant Science
|June 7, 2002
PubMed
Summary

Animals and plants share similar pathogen recognition systems. In plants, the FLS2 receptor-like kinase recognizes bacterial flagellin, similar to how Toll-like receptors (TLRs) in mammals detect this pathogen.

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Area of Science:

  • Plant immunity
  • Animal immunity
  • Molecular biology

Background:

  • Innate immunity in animals relies on Toll-like receptors (TLRs) to detect pathogen-associated molecular patterns.
  • Plants possess sensitive systems for recognizing general elicitors, triggering defense responses.

Purpose of the Study:

  • To explore the similarities in pathogen perception between animals and plants.
  • To identify the plant receptor responsible for flagellin detection and its relation to animal TLRs.

Main Methods:

  • Genetic analysis in Arabidopsis.
  • Comparative analysis of FLS2 and TLR family proteins.

Main Results:

  • FLS2, a receptor-like kinase in Arabidopsis, is crucial for flagellin perception.

Related Experiment Videos

  • FLS2 shows homology to the animal Toll-like receptor family.
  • Mammalian TLR5 mediates flagellin perception.

    • Conclusions:

    • Plant and animal innate immune systems exhibit conserved mechanisms for pathogen recognition.
    • FLS2 represents a plant homolog of mammalian TLRs involved in bacterial flagellin sensing.