Title |
The evolutionary radiation of Arvicolinae rodents (voles and lemmings): relative contribution of nuclear and mitochondrial DNA phylogenies
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Published in |
BMC Ecology and Evolution, October 2006
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DOI | 10.1186/1471-2148-6-80 |
Pubmed ID | |
Authors |
Thomas Galewski, Marie-ka Tilak, Sophie Sanchez, Pascale Chevret, Emmanuel Paradis, Emmanuel JP Douzery |
Abstract |
Mitochondrial and nuclear genes have generally been employed for different purposes in molecular systematics, the former to resolve relationships within recently evolved groups and the latter to investigate phylogenies at a deeper level. In the case of rapid and recent evolutionary radiations, mitochondrial genes like cytochrome b (CYB) are often inefficient for resolving phylogenetic relationships. One of the best examples is illustrated by Arvicolinae rodents (Rodentia; Muridae), the most impressive mammalian radiation of the Northern Hemisphere which produced voles, lemmings and muskrats. Here, we compare the relative contribution of a nuclear marker--the exon 10 of the growth hormone receptor (GHR) gene--to the one of the mitochondrial CYB for inferring phylogenetic relationships among the major lineages of arvicoline rodents. |
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