TLS Online TPP Program

#Id: 9760

#Unit 6. System Physiology – Plant

Many plants release a specific bouquet of volatile organic compounds when attacked by insect herbivores. These volatiles can consist of compounds from all major pathways for secondary metabolites including terpenoids (mono- and sesquiterpenes), alkaloids (indole), and phenylpropanes (methyl salicylate), as well as green-leaf volatiles. 

TLS Online TPP Program

#Id: 9761

#Unit 6. System Physiology – Plant

These VOCs are herbivore– induced plant volatiles (HIPV) HIPV and act as cues for natural enemies of the insect herbivore, for example parasitic wasps.

TLS Online TPP Program

#Id: 9762

#Unit 6. System Physiology – Plant

When maize plants were exposed to green-leaf volatiles (VOCs), JA and JA-related gene expression were rapidly induced.

TLS Online TPP Program

#Id: 9763

#Unit 6. System Physiology – Plant

To distinguish between “self” and “nonself” during pathogen infection, plants possess pattern recognition receptors (PRRs) that perceive microbe-associated molecular patterns (MAMPs) which are conserved among a specific class of microorganisms (such as chitin for fungi, flagella for bacteria) but are absent in the host.

TLS Online TPP Program

#Id: 9764

#Unit 6. System Physiology – Plant

Perception of MAMPs or DAMPs by cell surface PRRs is called Pathogen Triggered Immunity

TLS Online TPP Program

#Id: 9765

#Unit 6. System Physiology – Plant

Perception of MAMPs or DAMPs by cell surface PRRs initiates a localized basal defense response called MAMP triggered immunity which inhibits the growth and activity of nonadapted pathogens or pests.