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| Content Provider | PubMed Central |
|---|---|
| Author | Golding, G. B. Glickman, B. W. |
| Abstract | We have studied the potential contribution of template-dependent events to genetic variation in mammals by examining the sequence alterations that have occurred in the recent evolution of human interferon genes. Fifteen members of the human alpha-interferon gene family were aligned, and a phylogenetic history was inferred. Many multiple events are inferred to have occurred in the evolution of the interferon genes and for the majority of these local DNA sequences were present that were capable of serving as templates for their occurrence. We conclude that the DNA sequence has the potential to explain many of the inferred spontaneous events and to explain complex alterations to sequences--i.e., the joint occurrence of base substitutions and insertions/deletions. Thus, such a mechanism would often cause multiple sequence changes as a result of a single mutational event and would provide additional genetic variation for evolution. Sequence-directed mutations would depend upon the local DNA sequences and, hence, would not be random at the DNA level. |
| Starting Page | 8577 |
| File Format | |
| ISSN | 10916490 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 24 |
| Volume Number | 82 |
| Language | English |
| Publisher Date | 1985-12-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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