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题名: Mitochondrial DNA ND4 gene sequences variation of two Pelteobagrus species
作者: Ding Yan-Wei (clad@ihb.ac.cn) ; Peng Zuo-Gang ; Zhang Xun-Pu ; He Shun-Ping
通讯作者: Ding Yan-Wei ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2006
卷: 30, 期:4, 页:413-419
收录类别: 其他
英文摘要: Species of Pelteobagrus nitidus and Pelteobagrus eupogon are endemic to East Asia, which are the specimens in the present study. MtDNA ND4 (plus three 3' flanking tRNAs: histidine tRNA, scrine tRNA and partial leucme tRNA) gene sequence variations of these two species from different drainages were studied in the present study. About 772 base pair sequences were obtained through PCR amplification. Sequence analysis was conducted using MEGA2. I software. Hemibagrus macropterus was selected as out-group. The Kimura's 2-parameter distances were calculated. The genetic distances among P. nitidus were from 0.000 to 0.012, and the genetic distances among P. eupogon were from 0.000 to 0.003. The genetic distances between P. nitidus from different drainages and P. eupogon were from 0.099 to 0.108, which suggest that P. nitidus and P. eupogon are two valid species. The genetic distances among P. nitidus from different drainages were small, the same as P. nitidus in the same drainages. The possible reasons are the following: (i) there are frequent gene flow among P. nitidus samples from different drainages;( ii) the evolution rate of the East Asian bagrid mitochondrial DNA is relatively slow;( iii) the human economic activities have probably caused change of genetic population structure of P. nitidus.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18345
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Ding Yan-Wei (clad@ihb.ac.cn) ; Peng Zuo-Gang; Zhang Xun-Pu; He Shun-Ping.Mitochondrial DNA ND4 gene sequences variation of two Pelteobagrus species,Acta Hydrobiologica Sinica,2006,30(4):413-419
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