Innate Immunity Signaling in Plants

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Presentation transcript:

Innate Immunity Signaling in Plants Erika Keshishian

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

Toll-Like Receptors

Plant vs. Animal “TLRs”

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

Remember, plants cannot move to avoid predators…

Nor can they swat them away…

Pathogen Defense

Pathogen Defense – Hypersensitive Response

Hypersensitive Response

Phytoalexins

Systemic Acquired Resistance

Systemic Acquired Resistance

Questions?

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