Title: Microsatellite analysis of genetic diversity in four geographic populations of Scapharca broughtonii
Abstract: Genetic diversity in four geographic populations of Scapharca broughtonii from Rizhao,Huangdao,Penglai,and Korea was analyzed using twenty SSR with high polymorphism obtained in our laboratory.Results showed that the number of alleles obtained from different populations ranged in 3-17.The average number of alleles and effective alleles were 8.35 and 6.230 6,respectively.The observed heterozygosity(Ho)and the expected heterozygosity(He)ranged in 0.466 7-0.966 7and 0.619 8-0.931 8,respectively.The polymorphism information content(PIC)ranged in 0.530 1-0.909 3,indicating a high level of genetic diversity in these populations.The genetic differentiation index(Fst)of the four geographic populations ranged in 0.013 2-0.031 4,revealing a low level of genetic differentiation among them.The genetic distances among populations ranged in 0.125 5-0.245 8.The UPGMA tree indicated that Rizhao and Huangdao populations clustered first,then clustered with Penglai population,and further clustered with the Korean population,indicating that the Korean population was the farthest relative of the Chinese populations.The information of population structure obtained in this work would be helpful for the genetic breeding and conservation of S.broughtonii.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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Cited By Count: 4
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