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To ensure faithful cell division, entry into mitosis must be inhibited in cells with damage or under-replicated DNA. Wee1 and Myt1 are two partially redundant kinases that inhibit mitotic entry through the phosphorylation of the Cdk1/cyclin B complex. Cdk1 is an essential mitotic kinase that...
Cyclin dependent kinase 1, Cdk1, inhibitory phosphorylation is at the core of conserved checkpoint mechanisms that prevent mitosis from interfering with DNA replication or repair. It is also crucial for coordinating cell cycle progression with morphogenetic processes during organismal...
Endocycles, which are characterised by repeated rounds of DNA replication without intervening mitosis, are involved in developmental processes associated with an increase in metabolic cell activity and are part of terminal differentiation. Endocycles are currently viewed as a restriction of the...
Meiosis in eukaryotes includes a developmentally programmed pre-meiotic G2 phase arrest before the onset of MI division mediated by inhibitory phosphorylation of Cdk1. There are two inhibitory kinases, Wee1 and Myt1. Myt1 mediated Cyclin B-Cdk1 regulation serves as a conserved mechanism for...