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Innate Immunity Signaling in Plants

Innate Immunity Signaling in Plants. Erika Keshishian. Outline. Toll-like receptors Review Animals vs. plants Plant defense Hypersensitive Response Phytoalexins Systemic Acquired Resistance. Toll-Like Receptors. Plant vs. Animal “TLRs”. How plants cope with pathogens.

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Innate Immunity Signaling in Plants

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  1. Innate Immunity Signaling in Plants Erika Keshishian

  2. Outline • Toll-like receptors • Review • Animals vs. plants • Plant defense • Hypersensitive Response • Phytoalexins • Systemic Acquired Resistance

  3. Toll-Like Receptors

  4. Plant vs. Animal “TLRs”

  5. How plants cope with pathogens • Bacteria, viruses, fungi, invertebrates* • Pathogen-Associated Molecular Patterns, PAMPs • Pattern Recognition Receptors, PRRs

  6. Remember, plants cannot move to avoid predators…

  7. Nor can they swat them away…

  8. Pathogen Defense

  9. Pathogen Defense – Hypersensitive Response

  10. Hypersensitive Response

  11. Phytoalexins

  12. Systemic Acquired Resistance

  13. Systemic Acquired Resistance

  14. Questions?

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