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- Title
Molecular phylogeny and intraspecific differentiation of the Eremias velox complex of the Iranian Plateau and Central Asia (Sauria, Lacertidae).
- Authors
Pouyani, Eskandar R.; Noureini, Sakineh K.; Pouyani, Nasrullah R.; Joger, Ulrich; Wink, Michael
- Abstract
The Central Asian racerunner, Eremias velox, is a widely distributed lizard of the Eurasian lacertid genus Eremias. Nucleotide sequences of mitochondrial genes, cyt b and 12 S rDNA from 13 geographically distant localities in Iran and Central Asia, were analysed. Phylogenetic analyses of the sequence data unambiguously recovered five major clades within the E. velox complex with a high level of genetic divergence, indicating long periods of isolation. The basal position of the Iranian clades in the phylogenetic trees suggests that the E. velox clade originated on the Iranian plateau in the Middle Miocene. According to our calibrations, the northern Iranian clade diverged first some 10-11 Ma and that the Central Asian lineages split from the northeastern Iranian lineage approximately 6 Ma, most likely as a result of uplifting of the Kopet-Dagh Mountains in the northern margin of the Iranian plateau. Topology of the phylogenetic trees, combined with the degree of the genetic distances among the independent lineages recovered in this study, provide a solid foundation for a fundamental revision of the taxonomic status of the major clades within this species complex.
- Subjects
CENTRAL Asia; IRAN; MOLECULAR phylogeny; ZOOGEOGRAPHY; LACERTIDAE; LIZARDS; ANIMAL genetics
- Publication
Journal of Zoological Systematics & Evolutionary Research, 2012, Vol 50, Issue 3, p220
- ISSN
0947-5745
- Publication type
Article
- DOI
10.1111/j.1439-0469.2012.00662.x