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@article{1601659,
author = {Bartáková, Veronika and Bryja, Josef and Šanda, Radek and Bektas, Yusuf and Stefanov, Tihomir and Choleva, Lukáš and Smith, Carl and Reichard, Martin},
article_location = {SAN DIEGO},
article_number = {APR 2019},
doi = {http://dx.doi.org/10.1016/j.ympev.2018.12.025},
keywords = {Balkan refugium; Cyprinidae; Mediterranean endemism; Ponto-Caspian region; Gene flow; Genetic drift},
language = {eng},
issn = {1055-7903},
journal = {Molecular Phylogenetics and Evolution},
title = {High cryptic diversity of bitterling fish in the southern West Palearctic},
url = {https://www.sciencedirect.com/science/article/pii/S1055790318305530?via%3Dihub},
volume = {133},
year = {2019}
}
TY - JOUR
ID - 1601659
AU - Bartáková, Veronika - Bryja, Josef - Šanda, Radek - Bektas, Yusuf - Stefanov, Tihomir - Choleva, Lukáš - Smith, Carl - Reichard, Martin
PY - 2019
TI - High cryptic diversity of bitterling fish in the southern West Palearctic
JF - Molecular Phylogenetics and Evolution
VL - 133
IS - APR 2019
SP - 1-11
EP - 1-11
PB - ACADEMIC PRESS INC ELSEVIER SCIENCE
SN - 10557903
KW - Balkan refugium
KW - Cyprinidae
KW - Mediterranean endemism
KW - Ponto-Caspian region
KW - Gene flow
KW - Genetic drift
UR - https://www.sciencedirect.com/science/article/pii/S1055790318305530?via%3Dihub
L2 - https://www.sciencedirect.com/science/article/pii/S1055790318305530?via%3Dihub
N2 - South-east Europe, along with the adjacent region of south-west Asia, is an important biodiversity hotspot with high local endemism largely contributed by contemporary continental lineages that retreated to southern refugia during colder Quaternary periods. We investigated the genetic diversity of the European bitterling fish (Rhodeus amarus) species complex (Cyprinidae) across its range in the western Palearctic, but with a particular emphasis in the region of Balkan, Pontic and Caspian refugia. We genotyped 12 polymorphic microsatellite loci and a partial sequence of mitochondrial gene cytochrome b (CYTB) for a set of 1,038 individuals from 60 populations. We used mtDNA sequences to infer phylogenetic relationships and historical demography, and microsatellite markers to describe fine-scale genetic variability and structure. Our mtDNA analysis revealed six well-supported lineages, with limited local co-occurrence. Two lineages are distributed throughout central and western Europe (lineages "A" and "B"), with two zones of secondary contact. Another two lineages were restricted to the PontoAegean region of Greece (lineages "C" and "D") and the final two lineages were restricted south of the Caucasus mountains (lineage "E" from the Black Sea watershed and lineage "F" from the Caspian watershed). A signal of recent expansion was revealed in the two widespread lineages and the Ponto-Aegean lineage "C". The geographic distribution of clusters detected by nuclear microsatellites corresponded well with mitochondrial lineages and demonstrated finely sub-structured populations. A profound population structure suggested a significant role of genetic drift in differentiation among lineages. Lineage divergence in the Ponto-Aegean and Caspian regions are substantial, supporting the validity of two described endemic species (Rhodeus meridionalis as lineage "D" and Rhodeus colchicus as lineage "E") and invite taxonomic evaluation of the other two southern lineages (Thracean "C" and Caspian "F").
ER -
BARTÁKOVÁ, Veronika, Josef BRYJA, Radek ŠANDA, Yusuf BEKTAS, Tihomir STEFANOV, Lukáš CHOLEVA, Carl SMITH and Martin REICHARD. High cryptic diversity of bitterling fish in the southern West Palearctic. \textit{Molecular Phylogenetics and Evolution}. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE, 2019, vol.~133, APR 2019, p.~1-11. ISSN~1055-7903. Available from: https://dx.doi.org/10.1016/j.ympev.2018.12.025.
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