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Genetic variability and structure of common carp (Cyprinus carpio) populations throughout the distribution range inferred from allozyme, microsatellite and mitochondrial DNA markers

Published online by Cambridge University Press:  15 October 2003

Klaus Kohlmann ,
Riho Gross ,
Asiya Murakaeva  and
Petra Kersten
Klaus Kohlmann*
Affiliation:
Department of Inland Fisheries, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, P.O. Box 850119, 12561, Berlin, Germany
Riho Gross
Affiliation:
Department of Fish Farming, Institute of Animal Sciences, Estonian Agricultural University, 1 Kreutzwaldi Street, 51015, Tartu, Estonia
Asiya Murakaeva
Affiliation:
Department of Inland Fisheries, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, P.O. Box 850119, 12561, Berlin, Germany Institute of Biochemistry, 56, Abdulaev H. Str., Tashkent 700143, Uzbekistan
Petra Kersten
Affiliation:
Department of Inland Fisheries, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, P.O. Box 850119, 12561, Berlin, Germany
*
kohlmann@igb-berlin.de
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Abstract

Domesticated/captive stocks and wild/feral populations of common carp from Europe, Central Asia and East/South-East Asia were examined for allozyme (23 populations), microsatellite (11 populations) and mitochondrial DNA (21 populations) variation. Allozyme variability (1.06–1.81 alleles per locus, expected heterozygosity 0.006–0.136 at 16 loci) was much lower than microsatellite variability (2.5–14.0 alleles per locus, expected heterozygosity 0.426–0.887 at four loci). Differences in variability between domesticated/captive stocks and wild-caught ones were more pronounced at microsatellite loci than at allozyme loci, suggesting that microsatellites are better suited to detect population bottlenecks and loss of variation due to inbreeding. All but one European population were fixed for a single composite mtDNA haplotype, which also dominated in Central Asia but was completely missing in East/South-East Asia, indicating a single origin of European carp in Central Asia. All three classes of genetic markers clustered populations into two highly divergent groups: Europe/Central Asia and East/South-East Asia. Hierarchical partition of genetic diversity showed that for microsatellite loci most of variation was due to the within-population component while the highest proportion of mtDNA variation and substantial proportion of allozyme variation was accounted for by differences between geographical regions. Genetic data support the subspecies status of C. c. carpio assigned to the European carp and C. c. haematopterus assigned to the East/South-East Asian carp but do not justify a separate subspecies status (C. c. aralensis) for the Central Asian carp. As demonstrated for a wild/feral carp population from R. Danube, Germany, the genetic markers used in our study may be effectively applied to detect mixing and introgression of intra-species units in the presence of sufficient genetic differentiation.

Keywords

Population geneticsAllozymesmtDNAMicrosatellitesCyprinus carpio
Type
Research Article
Information
Aquatic Living Resources , Volume 16 , Issue 5: Genetics and Reproduction of Common Carp , October 2003 , pp. 421 - 431
Copyright
© Elsevier, IRD, Inra, Ifremer, Cemagref, 2003

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