Postulate of Darwin

Geometric increase 

Limited food & Space

Struggle for existence 

Variation 

 Natural selection

Inheritance of useful characters

Speciation

TLS Online TPP Program

#Id: 9776

#XL - R Botany

SA accumulation leads to enhanced local ROS production.

TLS Online TPP Program

#Id: 9777

#XL - R Botany

nahG gene encodes the enzyme salicylate hydroxylase, which converts SA to catechol and thus dramatically reduces SA levels.

TLS Online TPP Program

#Id: 9778

#XL - R Botany

Effector‐triggered immunity is a second level of induced defense and stronger than PTI and culminates in the hypersensitive response (HR).

TLS Online TPP Program

#Id: 9779

#XL - R Botany

R proteins trigger ETI contains LRR motif which have parallel β‐sheets

TLS Online TPP Program

#Id: 9780

#XL - R Botany

LRR motif also found in the extracellular domain of several P/MAMP

TLS Online TPP Program

#Id: 9781

#XL - R Botany

R gene products are also called as NBS–LRR