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| Content Provider | Springer Nature Link |
|---|---|
| Author | Merker, Stefan Thomas, Sarah Völker, Elke Perwitasari Farajallah, Dyah Feldmeyer, Barbara Streit, Bru Pfenninger, Markus |
| Copyright Year | 2014 |
| Abstract | Patterns and processes of molecular evolution critically influence inferences in phylogeny and phylogeography. Within primates, a shift in evolutionary rates has been identified as the rationale for contrasting findings from mitochondrial and nuclear DNA studies as to the position of Tarsius. While the latter now seems settled, we sequenced complete mitochondrial genomes of three Sulawesi tarsiers (Tarsius dentatus, T. lariang, and T. wallacei) and analyzed substitution rates among tarsiers and other primates to infer driving processes of molecular evolution. We found substantial length polymorphism of the D-loop within tarsier individuals, but little variation of predominant lengths among them, regardless of species. Length variation was due to repetitive elements in the CSB domain—minisatellite motifs of 35 bp length and microsatellite motifs of 6 bp length. Amino acid evolutionary rates were second highest among major primate taxa relative to nucleotide substitution rates. We observed many radical possibly function-altering amino acid changes that were rarely driven by positive selection and thus potentially slightly deleterious or neutral. We hypothesize that the observed pattern of an increased amino acid evolutionary rate in tarsier mitochondrial genomes may be caused by hitchhiking of slightly deleterious mutations with favored D-loop length variants selected for maximizing replication success within the cell or the mitochondrion. |
| Starting Page | 40 |
| Ending Page | 51 |
| Page Count | 12 |
| File Format | |
| ISSN | 00222844 |
| Journal | Journal of Molecular Evolution |
| Volume Number | 79 |
| Issue Number | 1-2 |
| e-ISSN | 14321432 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-07-10 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Heteroplasmy Multilevel selection Primates Sulawesi Tandem repeats Tarsius Evolutionary Biology Microbiology Plant Sciences Plant Genetics & Genomics Animal Genetics and Genomics Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Molecular Biology Ecology, Evolution, Behavior and Systematics |
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