The mRNA for the transcription factor VegT, which becomes apportioned to the vegetal cells during cleavage. VegT is critical in generating both the endodermal and mesodermal lineages.

TLS Online TPP Program

#Id: 9746

#Unit 6. System Physiology – Plant

Constitutive defenses are costly to the plant. The production of secondary metabolites requires a significant energy investment derived from primary metabolism, which is then unavailable for use in growth and reproduction.

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#Id: 9747

#Unit 6. System Physiology – Plant

Inducible defense against pests or pathogens, involve both a wound response and the recognition of certain compounds abundant in the insect’s saliva or regurgitant. 

These compounds belong to a broad group of chemicals called elicitors

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#Id: 9748

#Unit 6. System Physiology – Plant

Elicitors are HAMPs or herbivore- associated molecular patterns

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#Unit 6. System Physiology – Plant

Elicitors found in insect saliva are fatty acid (18:3) –amino acid conjugates (or fatty acid amides)

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#Id: 9750

#Unit 6. System Physiology – Plant

N-(17-hydroxylinolenoyl)-l-glutamine is an elicitor known as volicitin induces volatile secondary metabolites in maize plants.

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#Id: 9751

#Unit 6. System Physiology – Plant

Elicitor Caeliferins secreted by grasshoppers act as elicitors of jasmonic acid accumulation and ethylene emission