A carbon atom with four different substituents is said to be asymmetric, and asymmetric carbons are called chiral centers

Chiral carbon most distant from the carbonyl carbon has the same configuration as the chiral carbon in D-glyceraldehyde.

TLS Online TPP Program

#Id: 821

#Unit 4. Cell Communication and Cell Signaling

PRR‐triggered immunity (PTI) of plant cells places selective pressures on potentially pathogenic species to suppress effector response.

TLS Online TPP Program

#Id: 822

#Unit 4. Cell Communication and Cell Signaling

Suppression of host response is called effector‐triggered susceptibility

TLS Online TPP Program

#Id: 823

#Unit 4. Cell Communication and Cell Signaling

R genes recognizes effector molecules or the effects of these effectors on host proteins. This form of defense is known as R gene‐mediated defense or effector-triggered immunity

TLS Online TPP Program

#Id: 824

#Unit 4. Cell Communication and Cell Signaling

ETI are usually stronger than PTI and cause hypersensitive reaction or apoptosis of tissue

TLS Online TPP Program

#Id: 825

#Unit 4. Cell Communication and Cell Signaling

Effector‐encoding genes or avirulence (Avr) genes, found in pathogen as the Pseudomonas produces AvrPto effector causes avirulence.

TLS Online TPP Program

#Id: 826

#Unit 4. Cell Communication and Cell Signaling

Tomato (Solanum lycopersicum) carry Pto resistance gene so Pseudomonas infection resistance