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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Nested Clade and Phylogeographic Analyses of the Chub, Leuciscus cephalus (Teleostei, Cyprinidae), in Greece: Implications for Balkan Peninsula Biogeography
Molecular Phylogenetics and Evolution, Volume 13, No. 3, Year 1999
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Description
Phylogenetic relationships among Greek populations of the chub, Leuciscus cephalus, were investigated using 600 bp of the cytochrome b gene. The aim of this study was to test the assumption that the main difference in ichthyological composition between both sides of the Balkan Peninsula is directly linked to differences in the dispersion mechanisms used by fish in order to extend their distribution range. Phylogenetic and nested clade analyses clearly showed that populations in Greece are significantly differentiated. Greek populations were found to descend from three lineages in three geographical provinces: Western, Central, and Eastern Greece. The chub reached Western Greece at the beginning of the Pleistocene and Eastern Greece during the mid-Pleistocene. Chub dispersion occurred mainly by river confluence due to sea level lowering and river capture in Western Greece and sea dispersal with low-salinity conditions within the Aegean Sea in Eastern Greece. However, in Central Greece, the original mtDNA lineage has presumably been lost owing to a genetic introgression following a second invasion from the Danube during the final stage of the last glaciation. This study provides new elements for a better understanding of the composition of the contemporary ichthyofauna in Greece and highlights possible evolutionary mechanisms responsible for the high endemism rate in the Western Greek biogeographic province. © 1999 Academic Press.
Authors & Co-Authors
Durand, Jean Dominique
France, Villeurbanne
Université Claude Bernard Lyon 1
Templeton, Alan R.
United States, St. Louis
Washington University in St. Louis
Guinand, Bruno
France, Villeurbanne
Université Claude Bernard Lyon 1
Imsiridou, Anastasia
Greece, Thessaloniki
Aristotle University of Thessaloniki
Bouvet, Yvette
France, Villeurbanne
Université Claude Bernard Lyon 1
Statistics
Citations: 69
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1006/mpev.1999.0671
ISSN:
10557903
Research Areas
Genetics And Genomics