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题名: APPLICATION OF DNA BARCODING BASED ON THE MITOCHONDRIALCO1 GENE SEQUENCES IN CLASSIFICATION OF CULTER (PISCES: CYPRINIDAE)
作者: Peng Ju-Li ; Wang Xu-Zhen ; Wang Ding ; He Shun-Ping (clad@ihb.ac.cn)
通讯作者: He Shun-Ping ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2009
卷: 33, 期:2, 页:271-276
收录类别: 其他
英文摘要: DNA Barcoding is becoming more and more attractive to biologists as a new method for species identification. The core idea of DNA barcoding is based on the fact that species can be differentiated by short pieces of standard gene sequences. It is very important to choose appropriate genetic marker for species identification. Mitochondrial CO1 gene sequence was a popular marker of DNA barcoding for species identification in the kingdom of animals. In this paper, we discussed the validation of CO1 gene sequence to efficiently identify the species of genus Culler. Original nucleotide sequence data of partial mitochondrial CO1 gene,about 816 base pairs,were collected from 4 species of Culler and totally 32 specimens. Sequences analysis was conducted by using MEGA3. 1. Genetic variation among species and variation within species were calculated, and it was found that pairwise genetic distance among 4 species was more than 2% and obviously higher than the distance within a species. Phylogenetic analysis was carried out with different methods, including neighbor-joining, maximum parsimony,maximum likelihood and bayesian analysis. The topology of each final trees revealed that all individuals of each species formed a strong monophyletic group. Specie identification with CO1 sequences in Culler supported the taxonomy based on morphological characters,and it was proposed that CO1 sequences could be a probable marker to resolve the phylogenetic relationship of the genus. The conclusion of our research suggested that mitochondrial CO1 gene was a valid DNA barcoding gene for specie identification in genus Culler.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18695
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Peng Ju-Li; Wang Xu-Zhen; Wang Ding; He Shun-Ping (clad@ihb.ac.cn).APPLICATION OF DNA BARCODING BASED ON THE MITOCHONDRIALCO1 GENE SEQUENCES IN CLASSIFICATION OF CULTER (PISCES: CYPRINIDAE),Acta Hydrobiologica Sinica,2009,33(2):271-276
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文件名: APPLICATION OF DNA BARCODING BASED ON THE MITOCHONDRIALCO1 GENE SEQUENCES IN CLASSIFICATION OF CULTER (PISCES CYPRINIDAE).pdf
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