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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Depamphilis, M. L. Yamaguchi, M. |
| Abstract | Efficient initiation of DNA replication in the absence of nonspecific DNA repair synthesis was obtained by using a modification of the system developed by J.J. Li and T.J. Kelly [(1984) Proc. Natl. Acad. Sci. USA 81, 6973-6977]. Circular double-stranded DNA plasmids replicated in extracts of CV-1 cells only when the plasmids contained the cis-acting origin sequence for simian virus 40 DNA replication (ori) and the extract contained simian virus 40 large tumor antigen. Competition between plasmids containing ori and plasmids carrying deletions in and about ori served to identify a sequence that binds the rate-limiting factor(s) required to initiate DNA replication. The minimum binding site (nucleotides 72-5243) encompassed one-half of the simian virus 40 ori sequence that is required for initiation of replication (ori-core) plus the contiguous sequence on the late gene side of ori-core containing G + C-rich repeats that facilitates initiation (ori-auxiliary). This initiation factor binding site was specific for the simian virus 40 ori region, even though it excluded the high-affinity large tumor antigen DNA binding sites. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 6 |
| Volume Number | 83 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1986-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA Replication Simian Virus 40 Physiology Virus Replication Animals Antigens, Polyomavirus Transforming Antigens, Viral, Tumor Binding Sites Cell Line Cercopithecus Aethiops DNA Restriction Enzymes DNA, Circular Metabolism DNA, Viral Kidney Oncogene Proteins, Viral Plasmids Genetics Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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