TLS Online TPP Program

#Id: 10203

#Unit 6. System Physiology – Plant

Biological effects of cytokinins

Removes inhibitory phosphate

Promotes accumulation of G1 cyclins (CycD)

TLS Online TPP Program

#Id: 10204

#Unit 6. System Physiology – Plant

Cytokinin has been linked to the activation of a Cdc25- like phosphatase, whose role is to remove an inhibitory phosphate group from the Cdc2 kinase. 

Cytokinins elevate the expression of the CYCD3 gene, which encodes a D-type cyclin'

TLS Online TPP Program

#Id: 10205

#Unit 6. System Physiology – Plant

Cytokinin binds to the CRE1 receptors to initiate a response that culminates in the elevation of transcription of the type- BARRs/ type- A ARRs. 

TLS Online TPP Program

#Id: 10206

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10207

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10213

#Unit 6. System Physiology – Plant

Type-A ARRs negatively regulate cytokinin signaling by interacting with other proteins in a manner dependent on the phosphorylation state of the type-A ARR.