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题名: Phylogenetic structure of Schizopygopsis pylzovi populations from mitochondrial cytochrome B gene sequence variations
作者: Zhao Kai (clad@ihb.ac.cn) ; Yang Gong-She ; Li Jun-Bing ; He Shun-Ping
通讯作者: Zhao Kai ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2006
卷: 30, 期:2, 页:129-133
收录类别: 其他
英文摘要: The complete mtDNA cytochrome b gene sequence (11411bp) was sequenced for 16 Schizopygopsis from the upper reach of the Yellow River and the Tuosuo Lake of the Qaidam Basin. The sequence compositions and variations were analyzed using MEGA2.1 software. The Gymnocypris przewalskii and Gymnocypris eckloni and Platypharodon extremus were selected as out-group, and one Molecular phylogenetic tree of 5 haplotypes was constructed using NJ in PAPU * 4.0b10 software. Tile monophyly of the populations of the Schizopygopsis from either the Yellow River or the Tuosuo Lake was not supported. The genetic variability (Fst) and the value of exact test of differentiation between the populations calculated with Arlequin Ver. 2000 software were 0.204(P<0.05)and 0.0532 (P>0.05), respectively. The Nm value deduced from Fst between the populations was 1.95. These data suggested that the populations of the Schizopygopsis from the Yellow River and the Tuosuo Lake have not evolved to two different species. Our results Support tile morphological classification that merging tile Schizopygopsis kessleri into Schizopygopsis pylzovi. The nucleotide diversity (pi) exhibited by two populations was low (0.0012 similar to 0.0026). Inferred from the molecular evolution rate,the divergent time of the S. pylozovi from the Yellow River and tile Tuosuo Lake was about 70,000 years ago in the late Pleistocene. The faunal connection for population of the in historical was analyzed according to the phylogeography of population distributions and paleo-geographical events.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18375
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Zhao Kai (clad@ihb.ac.cn) ; Yang Gong-She; Li Jun-Bing; He Shun-Ping.Phylogenetic structure of Schizopygopsis pylzovi populations from mitochondrial cytochrome B gene sequence variations,Acta Hydrobiologica Sinica,2006,30(2):129-133
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文件名: Phylogenetic structure of Schizopygopsis pylzovi populations from mitochondrial cytochrome B gene sequence variations.pdf
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