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KMID : 0894520160200020135
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Development & Reproduction
2016 Volume.20 No. 2 p.135 ~ p.140
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Genetic Distances of Crucian Carp Populations analyzed by PCR Approach
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Jeon Jun-Hyub
Yoon Jong-Man
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Abstract
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Genomic DNAs isolated from crucian carp of four rivers, belonging to the family Cyprinidae was amplified by seven oligonucleotides primers. In the present study, we employed hierarchical clustering method in order to reveal genetic distances and variations. Crucian carp was acquired from Hangang river (CAH), Geumgang river (CAG), Nakdonggang river (CAN) and Yeongsangang river (CAY). The primer BION-12 generated the most loci (a total of 50) with an average of 10 in the CAY population. The primer BION-10 generated the least loci (a total of 19), with an average of 3.8 in the CAG population, in comparison to the other primers used. Seven oligonucleotides primers made 16.7 average no. per primer of specific loci in the CAH population, 7.4 in the CAG population, 8.6 in the CAN population and 0.9 in the CAY population, respectively. The specific loci generated by oligonucleotides primers revealed inter-individual-specific characteristics, thus disclosing DNA polymorphisms. The dendrogram obtained by the seven oligonucleotides primers indicates four genetic clusters. The genetic distance that displayed significant molecular differences was between individuals no.06 and no.08 from the CAG population (genetic distance = 0.036), while the genetic distance among the five individuals that displayed significant molecular differences was between individuals no.08 and no.09 from the CAG population (genetic distance = 0.088). With regard to average bandsharing value (BS) results, individuals from CAY population (0.985±0.009) exhibited higher bandsharing values than did individuals from CAH population (0.779±0.049) (P<0.05). Relatively, individuals of CAY population were fairly closely related to that of CAN location (genetic distance between two populations<0.016).
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KEYWORD
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Genetic distance, Crucian carp, Cyprinidae, Geumgang river, Hangang river, Hierarchical dendrogram, Nakdonggang river, Specific loci, Yeongsangang river
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