Cell Cycle: New Functions for Cdc14 Family Phosphatases
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چکیده
منابع مشابه
Cell Cycle: New Functions for Cdc14 Family Phosphatases
The Cdc14 phosphatase was identified by its requirement for mitotic exit in budding yeast. Cdc14 homologs exist throughout the eukaryotic kingdom, but it was unclear whether their function would also be conserved. Recent analyses in fission yeast, humans and now C. elegans suggest numerous other functions for this family of proteins.
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CDC14 was originally identified by L. Hartwell in his famous screen for genes that regulate the budding yeast cell cycle. Subsequent work showed that Cdc14 belongs to a family of highly conserved dual-specificity phosphatases that are present in a wide range of organisms from yeast to human. Human CDC14B is even able to fulfill the essential functions of budding yeast Cdc14. In budding yeast, C...
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Despite their conserved structures, protein phosphatases of the budding yeast Cdc14p family appear to perform distinct physiological roles in controlling late events of the cell cycle in different organisms.
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In order to generate healthy daughter cells , nuclear division and cytokinesis need to be coordinated. Premature division of the cytoplasm in the absence of chromosome segregation or nuclear proliferation without cytokinesis might lead to aneuploidy and cancer. The cyclin dependent kinases , CDKs , are a main regulator of the cell cycle. Timely increase and decrease in their activity is require...
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The periodicity of CDKs (cyclin-dependent kinases) regulates most cell cycle transitions including cytokinesis. High Cdk1 activity promotes cytoskeletal rearrangements necessary for cell division while at the same time ensuring that cytokinesis does not begin before the separation of sister chromatids during anaphase. The conserved Cdc14 (cell division cycle 14)-family of phosphatases reverses ...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2002
ISSN: 0960-9822
DOI: 10.1016/s0960-9822(02)01250-2