Reference: Wolfe BA and Gould KL (2004) Inactivating Cdc25, mitotic style. Cell Cycle 3(5):601-3

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Abstract


Mitotic entry and exit require activation and inactivation of the Cdk1-cyclin B kinase complex, respectively. The Cdc25 protein phosphatase family activates Cdk1-cyclin B at the G2/M transition by removing inhibitory phosphate groups. Cdc25 family members, held inactive during interphase, are activated during mitotic progression in an amplification loop involving Cdk1-cyclin B. While Cdc25 activation at the G2/M transition is required for the timely initiation of mitosis, recent evidence suggests that the inactivation of Cdc25 in late mitosis may play a role in supporting Cdk1-cyclin B inactivation. Here, we discuss the mechanisms of Cdc25 regulation and how they pertain to both mitotic entry and exit.

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Journal Article
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Wolfe BA, Gould KL
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