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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Chi Yu Wei, Ji Fu He, Shao Heng |
| Copyright Year | 2005 |
| Abstract | CCR5 is a seven-transmembrane G-protein-coupled receptor that binds the CC-chemokines including RANTES, eotaxin, MIP-1α and β. CCR5 serves as an essential coreceptor for cell entry of R5 (macrophage-tropic, nonsyncytium-inducing) strains of HIV-1. To date, four deletions have been found in human and primate ccr5. There is little evidence, however, on how these deletion mutations occur. In the present study, we analyzed ccr5 sequences of both mutants and wild type and found that direct repeats flanked the breakpoints of the deletions, suggesting that these deletions resulted from slipped mispairing during DNA replication. Of particular interest was the location of these deletions in or near the regions with higher negative FORS-D values. High negative FORS-D values stand for high stem-loop potential determined by base order and influence mainly the formation of stem-loop structures. Therefore, the particular location of these deletions suggests that the local sequence of bases might be important in the initiation of deletions mediated by DNA slip replication in concert with direct repeats. |
| Starting Page | 229 |
| Ending Page | 237 |
| Page Count | 9 |
| File Format | |
| ISSN | 00062928 |
| Journal | Biochemical Genetics |
| Volume Number | 43 |
| Issue Number | 5-6 |
| e-ISSN | 15734927 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2005-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | ccr5 deletion direct repeats stem-loop potential slip replication Human Genetics Medical Microbiology Biochemistry Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Biochemistry Molecular Biology Ecology, Evolution, Behavior and Systematics |
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