Abstract
The regulation of DNA replication during the eukaryotic cell cycle was studied in a system where cell free replication of simian virus 40 (SV40) DNA was used as a model for chromosome replication. A factor, RF-S, was partially purified from human S phase cells based on its ability to activate DNA replication in extracts from G 1 cells. RF-S contained a human homologue of the Schizosaccharomyces pombe p34 cdc2 kinase, and this kinase was necessary for RF-S activity. The limiting step in activation of the p34 kinase at the G 1 to S transition may be its association with a cyclin since addition of cyclin A to a G 1 extract was sufficient to start DNA replication. These observations suggest that the role of p34 cdc2 in controlling the start of DNA synthesis has been conserved in evolution.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 6:10 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 4:52 a.m.) |
Indexed | 2 months, 1 week ago (June 21, 2025, 12:28 a.m.) |
Issued | 34 years, 9 months ago (Nov. 9, 1990) |
Published | 34 years, 9 months ago (Nov. 9, 1990) |
Published Print | 34 years, 9 months ago (Nov. 9, 1990) |
@article{D_Urso_1990, title={Cell Cycle Control of DNA Replication by a Homologue from Human Cells of the p34 cdc2 Protein Kinase}, volume={250}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.2173140}, DOI={10.1126/science.2173140}, number={4982}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={D’Urso, Gennaro and Marraccino, Robert L. and Marshak, Daniel R. and Roberts, James M.}, year={1990}, month=nov, pages={786–791} }