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Low mtDNA Cytb diversity and shallow population structure of Eleutheronema tetradactylum in the East China Sea and the South China Sea

文献类型: 外文期刊

作者: Wang, Jianjian 1 ; Sun, Peng 1 ; Yin, Fei 1 ;

作者机构: 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Minist Agr, Shanghai 200090, Peoples R China

关键词: Eleutheronema tetradactylum;Mitochondrial DNA;Cytb;Genetic diversity;Population structure

期刊名称:BIOCHEMICAL SYSTEMATICS AND ECOLOGY ( 影响因子:1.381; 五年影响因子:1.351 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Eleutheronema tetradactylum is an economically important fish species in China water. To investigate the genetic diversity and describe population structure of it, an 1151 base pair (bp) fragment of the mitochondrial DNA Cytb sequence was analyzed in 120 individuals from four populations in the East China Sea and the South China Sea. A total of 16 haplotypes were defined by 24 variable nucleotide sites. High level of haplotype diversity and low nucleotide diversity were observed in all populations. The results of AMOVA detected that 89.44% of the genetic variation occurred within populations. Significant genetic differentiations were detected among populations (0.05097, P < 0.05), but no large-scale regional differences were detected. Analysis of neutral evolution and mismatch distribution suggested no recent population expansion happened. The present results provided new information for genetic assessment, fishery management and conservation of this species

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