Phosphorylation of MCM helicase activators by G1/S phase CDKs and S phase CDKs, prevents reloading of MCM helicases (ensuring that replication from each origin occurs only once during each cell cycle)

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.

TLS Online TPP Program

#Id: 10214

#Unit 6. System Physiology – Plant

Type-B ARRs are activated by phosphorylation, which enables them to regulate the transcription of a set of target genes for cytokinin response, and type-A ARRs

TLS Online TPP Program

#Id: 10215

#Unit 6. System Physiology – Plant

F-box proteins called KISS ME DEADLY (KMD) proteins

negatively regulates the cytokinin response by targeting type-B ARR proteins for degradation via the E3 ubiquitin ligase complex, SCF-KMD

TLS Online TPP Program

#Id: 10216

#Unit 6. System Physiology – Plant

ABI4 transcription factor is cross talk factor between ABA and cytokinin

TLS Online TPP Program

#Id: 10217

#Unit 6. System Physiology – Plant

Auxin and cytokinin are both required for the initiation of xylogenesis

TLS Online TPP Program

#Id: 10218

#Unit 6. System Physiology – Plant

KNOX transcription factors activate the cytokinin biosynthetic gene ISOPENTENYL TRANSFERASE7 -IPT7