rum1: a CDK inhibitor regulating G1 progression in fission yeast |
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Authors: | Labib K Moreno S |
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Affiliation: | Dept of Zoology, University of Oxford, South Parks Road, Oxford, UK OX1 3PS. |
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Abstract: | In all eukaryotes, entry into mitosis from G2 phase is initiated by a complex of the cdc2 kinase and a B-type cyclin. It has now been shown that, in fission yeast, B-type cyclins also activate cdc2 in G1, thus governing cell-cycle commitment, as well as the onset of S phase. In this article, Karim Labib and Sergio Moreno review the evidence that ruml inhibits the kinase activity of cdc2 associated with B-type cyclins and is an important regulator o f G1 progression in fission yeast. |
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