publication . Article . 2006

Phylogeny, biogeography, and evolution of two Mediterranean snakes, Malpolon monspessulanus and Hemorrhois hippocrepis (Squamata, Colubridae), using mtDNA sequences

Salvador Carranza; E. N. Arnold; Juan M. Pleguezuelos;
Open Access
  • Published: 01 Aug 2006
Abstract
Variation in 815 bp of mitochondrial DNA from two gene fragments (300 bp of cytochrome b and 395–515 bp of 12S rRNA) for 26 Malpolon monspessulanus, and cytochrome b for a further 21 individuals, indicates that this species originated in the Maghreb area of Northwest Africa. Here, an estimated 3.5–6 Mya, it divided into the western M. m. monspessulanus, and an eastern clade including M. m. insignitus and M. m. fuscus. The very limited genetic differentiation between Maghreb and Southwest European populations of this form suggests that it arrived in the Iberian Peninsula only recently. Population genetics and demographic tests indicate subsequent expansion in thi...
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free text keywords: Cytochrome b, Subspecies, Biogeography, Biology, Malpolon monspessulanus, biology.organism_classification, Ecology, Genetic divergence, Squamata, Phylogeography, Hemorrhois
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