Five microsatellites were used to study the genetic diversity and genetic structure of one wild and five domestic varieties of common carp in China (the Yangtze River wild common carp, Xingguo red carp, purse red carp, Qingtian carp, Russian scattered scaled mirror carp and Japanese decorative carp). All loci in this study showed marked polymorphism with the number of alleles ranging from 4 to 13. Domestic varieties (except Xingguo red carp) showed less genetic diversity than the Yangtze River wild common carp in terms of allelic diversity. Population differentiation was assessed and each combination of populations displayed significant differentiation (P < 0.05) with the exception of that between the Yangtze River wild common carp and Xingguo red carp. Genetic distance analysis (Nei's standard genetic distance and pairwise F st distance) showed that the largest distance was between Russian scattered scaled mirror carp and the Yangtze River wild common carp and the smallest distance was between the Yangtze River wild common carp and Xingguo red carp. However, among six populations Japanese decorative carp displayed the highest level of variability in terms of heterozygosity.
Russian Journal of Genetics – Springer Journals
Published: Oct 29, 2004
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