Innate Immunity Signaling in Plants Erika Keshishian.
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Innate Immunity Signaling in Plants Erika Keshishian
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Transcript of Innate Immunity Signaling in Plants Erika Keshishian.
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
• 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?