Cell-cycle control : POLO-like kinases join the outer circle

Lane, H. A. and Nigg, E. A.. (1997) Cell-cycle control : POLO-like kinases join the outer circle. Trends in cell biology, Vol. 7, H. 2. pp. 63-68.

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Official URL: http://edoc.unibas.ch/dok/A5249440

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Named after the polo gene of Drosophila, POLO-like kinases (PLKs) constitute a novel, evolutionarily conserved family of essential cell-cycle regulators. As emphasized in this review, recent studies identify important roles for vertebrate PLKs at the onset of mitosis: Plx1, a Xenopus PLK, has been implicated in the activation of Cdc25 phosphatase (and hence the activation of Cdc2), while human Plk1 is required for the proper maturation of the poles of mitotic spindles. These studies suggest a major role for Plk1/Plx1 in coordinating spindle assembly with the activation of Cdc2-cyclin complexes, and they establish a direct link between PLKs and the core cell-cycle-regulatory machinery. Genetic and biochemical studies in yeasts and Drosophila point to additional roles for PLKs at later stages of mitosis. Finally, mammals express multiple PLKs, suggesting that different family members might function at distinct cell-cycle transitions, reminiscent of cyclin-dependent kinases.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum
05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Cell Biology (Nigg)
UniBasel Contributors:Nigg, Erich A.
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:19
Deposited On:22 Mar 2012 13:17

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