Dataset Information

Complete mitochondrial genome of the endemic legless lizard Anguis cephallonica Werner, 1894 and its comparison with mitogenome of Anguis fragilis Linnaeus, 1758.

ABSTRACT: Complete mitochondrial genome of the Peloponnese endemic lizard species Anguis cephallonica is presented in this study. The complete sequence is 17?208?bp long and consists of 13 protein-coding genes, 22 tRNA genes, two rRNA genes and one control region. The gene order is same as in the relative species Anguis fragilis. Length of the 22 tRNA genes varies from 64?bp to 73?bp. The Anguis cephallonica mitogenome base composition is: A (30.5%), T (24.2%), C (30.5%), G (14.8%), with an A?+?T bias (54.7%). Six protein coding genes have incomplete stop codons. This is the first complete mitogenome described in this species as well as in any endemic Peloponnese lizard. Presented complete mitochondrial genome will form a basis for future comparative analysis within the genus Anguis.

SUBMITTER: Strzala T

PROVIDER: S-EPMC7800002 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Complete mitochondrial genome of the endemic legless lizard Anguis cephallonica Werner, 1894 and its comparison with mitogenome of Anguis fragilis Linnaeus, 1758.

Strzała Tomasz T Grochowalska Renata R Najbar Bartłomiej B Mikulíček Peter P Jandzik David D Lymberakis Petros P Jablonski Daniel D

Mitochondrial DNA. Part B, Resources 20160201 1

Complete mitochondrial genome of the Peloponnese endemic lizard species Anguis cephallonica is presented in this study. The complete sequence is 17 208 bp long and consists of 13 protein-coding genes, 22 tRNA genes, two rRNA genes and one control region. The gene order is same as in the relative species Anguis fragilis. Length of the 22 tRNA genes varies from 64 bp to 73 bp. The Anguis cephallonica mitogenome base composition is: A (30.5%), T (24.2%), C (30.5%), G (14.8%), w ...[more]

PMID: 33473417

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Project description:Genetic architecture of a species is a result of historical changes in population size and extent of distribution related to climatic and environmental factors and contemporary processes of dispersal and gene flow. Population-size and range contractions, expansions and shifts have a substantial effect on genetic diversity and intraspecific divergence, which is further shaped by gene-flow limiting barriers. The Balkans, as one of the most important sources of European biodiversity, is a region where many temperate species persisted during the Pleistocene glaciations and where high topographic heterogeneity offers suitable conditions for local adaptations of populations. In this study, we investigated the phylogeographical patterns and demographic histories of four species of semifossorial slow-worm lizards (genus Anguis) present in the Balkan Peninsula, and tested the relationship between genetic diversity and topographic heterogeneity of the inhabited ranges.We inferred phylogenetic relationships, compared genetic structure and historical demography of slow worms using nucleotide sequence variation of mitochondrial DNA. Four Anguis species with mostly parapatric distributions occur in the Balkan Peninsula. They show different levels of genetic diversity. A signature of population growth was detected in all four species but with various courses in particular populations. We found a strong correlation between genetic diversity of slow-worm populations and topographic ruggedness of the ranges (mountain systems) they inhabit. Areas with more rugged terrain harbour higher genetic diversity.Phylogeographical pattern of the genus Anguis in the Balkans is concordant with the refugia-within-refugia model previously proposed for both several other taxa in the region and other main European Peninsulas. While slow-worm populations from the southern refugia mostly have restricted distributions and have not dispersed much from their refugial areas, populations from the extra-Mediterranean refugia in northern parts of the Balkans have colonized vast areas of eastern, central, and western Europe. Besides climatic historical events, the heterogeneous topography of the Balkans has also played an important role in shaping genetic diversity of slow worms.

Dataset Information

Complete mitochondrial genome of the endemic legless lizard Anguis cephallonica Werner, 1894 and its comparison with mitogenome of Anguis fragilis Linnaeus, 1758.

Publications

Complete mitochondrial genome of the endemic legless lizard <i>Anguis cephallonica</i> Werner, 1894 and its comparison with mitogenome of <i>Anguis fragilis</i> Linnaeus, 1758.

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