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

TLS Online TPP Program

#Id: 10078

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 10079

#Unit 4. Cell Communication and Cell Signaling

Integrins function as transmembrane linkers (integrators) between the extracellular matrix and the actin cytoskeleton.

TLS Online TPP Program

#Id: 10080

#Unit 4. Cell Communication and Cell Signaling

Integrins bind extracellular matrix (ECM) glycoproteins, 

1. Laminins  

2. Collagens 

3. Fibronectin

4. Vitronectin

TLS Online TPP Program

#Id: 10081

#Unit 4. Cell Communication and Cell Signaling

Fibronectin binds to integrin through an RGD motif.

TLS Online TPP Program

#Id: 10082

#Unit 4. Cell Communication and Cell Signaling

The binding of integrins to their ligands depends on extracellular divalent cations(Ca+2 & Mg+2)

TLS Online TPP Program

#Id: 10083

#Unit 4. Cell Communication and Cell Signaling

The α subunit of each integrin is the primary determinant of its extracellular ligand specificity