innate immunity signaling in plants
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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?