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Pronounced population genetic differentiation in the rock bream Oplegnathus fasciatus inferred from mitochondrial DNA sequences
Xiao, Yongshuang1; Li, Jun1; Ren, Guijing2; Ma, Daoyuan1; Wang, Yanfeng1; Xiao, ZhiZhong1; Xu, Shihong1
2016
发表期刊MITOCHONDRIAL DNA
卷号27期号:3页码:2045-2052
文章类型Article
摘要The population genetic structure of the rock bream (Oplegnathus fasciatus) along the coastal waters of China was estimated based on three mtDNA fragments (D-loop, COI, and Cytb). A total of 112 polymorphic sites were checked, which defined 63 haplotypes. A pattern with high levels of haplotype diversity (h(COI) = 0.886 +/- 0.034, h(Cytb) = 0.874 +/- 0.023) and low levels of nucleotide diversity (pi(COI) = 0.009 +/- 0.005, pi(Cytb) = 0.006 +/- 0.003) was detected based on the COI and Cytb fragments, and high levels of genetic diversity (h(D-loop) = 0.995 +/- 0.007, pi(D-loop) = 0.021 +/- 0.011) were detected from the mtDNA D-loop. The population genetic diversity of O. fasciatus in south China was significantly higher than those of north China. Three genealogical clades were checked in the O. fasciatus populations based on the NJ and MST analyses of mtDNA COI gene sequence, and the genetic distances among the clades ranged from 0.018 to 0.025. Significant population genetic differentiation was also checked based on the Fst (0.331, p = 0.000) and exact p (0.000) test analyses. No significant population differentiations were checked based on mtDNA D-loop and Cytb fragments. Using a variety of phylogenetic methods, coalescent reasoning, and molecular dating interpreted in conjunction with paleoclimatic and physiographic evidences, we inferred that the genetic make-up of extant populations of O. fasciatus was shaped by Pleistocene environmental impacts on the historical demography of this species. Coalescent analyses (neutrality tests, mismatch distribution analysis, and Bayesian skyline analyses) showed that the species along coastline of China has experienced population expansions originated in its most recent history at about 169-175 kya before present.
关键词Coi Control Region Cytb Genetic Diversity Genetic Structure Oplegnathus Fasciatus
DOI10.3109/19401736.2014.982553
收录类别SCI
语种英语
WOS记录号WOS:000377538000208
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/130981
专题海洋生物技术研发中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai, Peoples R China
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GB/T 7714
Xiao, Yongshuang,Li, Jun,Ren, Guijing,et al. Pronounced population genetic differentiation in the rock bream Oplegnathus fasciatus inferred from mitochondrial DNA sequences[J]. MITOCHONDRIAL DNA,2016,27(3):2045-2052.
APA Xiao, Yongshuang.,Li, Jun.,Ren, Guijing.,Ma, Daoyuan.,Wang, Yanfeng.,...&Xu, Shihong.(2016).Pronounced population genetic differentiation in the rock bream Oplegnathus fasciatus inferred from mitochondrial DNA sequences.MITOCHONDRIAL DNA,27(3),2045-2052.
MLA Xiao, Yongshuang,et al."Pronounced population genetic differentiation in the rock bream Oplegnathus fasciatus inferred from mitochondrial DNA sequences".MITOCHONDRIAL DNA 27.3(2016):2045-2052.
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