Article

Genetic variation across Tunisian populations of the anuran species Discoglossus pictus and Pelophylax saharicus

Published in: African Zoology
Volume 45 , issue 1 , 2010 , pages: 121–128

DOI: 10.1080/15627020.2010.11657261

Author(s): Nabil Amor Research Unit: Genetics, Biodiversity and Bio Resources Development, Biotechnology Institute of Monastir, Tunisia , Guillermo Velo-Antón Department of Ecology and Evolutionary Biology, U.S.A , Sarra Farjallah Research Unit: Genetics, Biodiversity and Bio Resources Development, Biotechnology Institute of Monastir, Tunisia , Khaled Said Research Unit: Genetics, Biodiversity and Bio Resources Development, Biotechnology Institute of Monastir, Tunisia

Keywords: Cytochrome b , Discoglossus , Genetic variation , Pelophylax , Tunisia

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Abstract

The intraspecific variation of mitochondrial cytochrome b sequence was analysed for two widely distributed Tunisian anuran species, Discoglossus pictus and Pelophylax saharicus. We observed low genetic variation within both species (D. p. auritus 0.6% uncorrected genetic distances, P. saharicus 0.2%) and the absence of genetic structure within both species in the studied region. There is no correspondence between previously described morphotypes of P. saharicus in Tunisia and our genetic data. Our results show a lack of phylogeographic structure in both species despite their fragmented distribution across Tunisia.

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