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Genetic Variation Among White Croake

時間:2023-05-02 17:52:23 天文地理論文 我要投稿
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Genetic Variation Among White Croaker Populations

To investigate the genetic structures and differentiation of different wild populations of white croaker (Pennahia argentata), horizontal starch gel electrophoresis was performed on 133 individuals collected from five different locations in China and Japan. The eleven enzyme systems revealed 15 loci, of which eleven were polymorphic. The percentage ofpolymorphic loci of white croaker populations varied from 6.67% to 53.33%; the mean observed and expected heterozygosity ranged from 0.0033 to 0.0133and 0.0032 to 0.0191, respectively. The expected heterozygosity revealed a low genetic variability for white croaker in comparison with other marine fishes. The genetic distances between populations ranged from 0.00005 to 0.00026. A weak differentiation was observed within each clade and between clades; and no significant differences in gene frequencies among populations were observed in white croaker. Among the five populations, three Chinese populations showed more genetic diversity than that in Japanese populations.

作 者: HAN Zhiqiang GAO Tianxiang ZHUANG Zhimeng TANG Qisheng   作者單位: HAN Zhiqiang(Key Laboratory of Mariculture of Chinese Ministry of Education, Ocean University of China, Qingdao 266003, P. R. China;Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, P. R. China)

GAO Tianxiang(Key Laboratory of Mariculture of Chinese Ministry of Education, Ocean University of China, Qingdao 266003, P. R. China)

ZHUANG Zhimeng,TANG Qisheng(Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, P. R. China) 

刊 名: 中國海洋大學(xué)學(xué)報(英文版)  ISTIC 英文刊名: JOURNAL OF OCEAN UNIVERSITY OF CHINA  年,卷(期): 2008 7(1)  分類號: P7  關(guān)鍵詞: Pennahia argentata   white croaker   allozyme   genetic variation   population  

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