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KMID : 0613820160260111237
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Journal of Life Science
2016 Volume.26 No. 11 p.1237 ~ p.1244
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Genetic Diversity and Relationship of the Walleye Pollock, Theragra chalcogramma Based on Microsatellite Analysis
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Dong Chun-Mae
Kang Jung-Ha
Byun Soon-Gyu
Park Kie-Young
Park Jung-Youn
Kong Hee-Jeong
An Cheul-Min
Kim Kun-Do
Kim Eun-Mi
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Abstract
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A comprehensive analysis of the genetic diversity and relationship of the cold-water fishery walleye pollock (Theragra chalcogramma), the most abundant economically important fishery resource in the East sea of Korea, has not been carried out, despite its importance in Korea. The present study assessed the genetic diversity and relationship between five walleye pollock populations (Korean population, Russian population, USA population, and Japanese populations) of T. chalcogramma using eight microsatellite DNA (msDNA) markers to provide the scientific data for the preservation and management of the Pollock fishery resource. The results of the analysis of 186 individuals of the Pollock revealed a range of 7.13?10.63 numbers of alleles (mean number of alleles=9.05). The means of observed heterozygosity (HO), expected heterozygosity (HE) were 0.732 and 0.698, respectively. The results of genetic distance, Pairwise FST, UPGMA (UPGMA: un-weighted pair-group method with an arithmetical average) (the phylogenetic tree), PCA (PCA: Principal Coordinate analysis) analysis pointed to significant differences between the Korean population, Russian population, USA population, and Japanese populations, although small (p<0.05). These results shed light on the genetic diversity and relationships of T. chalcogramma and can be utilized for research on the evaluation and conservation of Korean T. chalcogramma as genetic resources.
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KEYWORD
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Genetic diversity, microsatellite, relationship, Theragra chalcogramma
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