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学科主题: Marine & Freshwater Biology
题名: MtDNA phylogeny provides evidence of generic polyphyleticism for East Asian bagrid catfishes
作者: Ku, Xiying; Peng, Zuogang; Diogo, Rui; He, Shunping
通讯作者: He, SP, Chinese Acad Sci, Inst Hydrobiol, Lab Fish Phylogenet & Biogeog, 7th Donghu S Rd, Wuhan 430072, Hubei, Peoples R China
关键词: Bagridae ; siluriformes ; molecular phylogeny ; cytochrome b ; taxonomy
刊名: HYDROBIOLOGIA
发表日期: 2007-03-01
DOI: 10.1007/s10750-006-0401-z
卷: 579, 页:147-159
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, Lab Fish Phylogenet & Biogeog, Wuhan 430072, Hubei, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Univ Liege, Lab Funct & Evolutionary Morphol, B-4000 Liege, Belgium
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: We explore the intrafamilial relationships of East Asian bagrid catfishes (Hemibagrus, Pseudobagrus, Pelteobagrus, and Leiocassis) based on 245 sequences of 1092 bp mitochondrial cytochrome b fragments. Four haplotypes were found to be shared by Pseudobagrus ussuriensis, Pelteobagrus vachelli and Pelteobagrus nitidus. Phylogenetic trees were performed using the neighbor joining, maximum parsimony, maximum likelihood, and Bayesian likelihood methods. The phylogenetic trees based on NJ, MP, ML and BL inferences strongly support polyphyleticism for the currently recognized genera Pseudobagrus, Pelteobagrus and Leiocassis. However, the species currently assigned to these three genera form a robustly monophyletic group with relatively low genetic divergence. The structure of maxillary barbels and serrations on the anterior edge of the pectoral spines seem to be indicatory of appropriate phylogenetic traits. We propose that only Hemibagrus and Pseudobagrus are the only valid genera of East Asian bagrids.
英文摘要: We explore the intrafamilial relationships of East Asian bagrid catfishes (Hemibagrus, Pseudobagrus, Pelteobagrus, and Leiocassis) based on 245 sequences of 1092 bp mitochondrial cytochrome b fragments. Four haplotypes were found to be shared by Pseudobagrus ussuriensis, Pelteobagrus vachelli and Pelteobagrus nitidus. Phylogenetic trees were performed using the neighbor joining, maximum parsimony, maximum likelihood, and Bayesian likelihood methods. The phylogenetic trees based on NJ, MP, ML and BL inferences strongly support polyphyleticism for the currently recognized genera Pseudobagrus, Pelteobagrus and Leiocassis. However, the species currently assigned to these three genera form a robustly monophyletic group with relatively low genetic divergence. The structure of maxillary barbels and serrations on the anterior edge of the pectoral spines seem to be indicatory of appropriate phylogenetic traits. We propose that only Hemibagrus and Pseudobagrus are the only valid genera of East Asian bagrids.
关键词[WOS]: MAXIMUM-LIKELIHOOD ; SEQUENCE ALIGNMENT ; MITOCHONDRIAL ; INFERENCE ; SILURIFORMES ; SUBSTITUTION ; HYMENOPTERA ; FORMICIDAE ; EVOLUTION ; TOOLS
语种: 英语
WOS记录号: WOS:000244187200012
ISSN号: 0018-8158
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8698
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Lab Fish Phylogenet & Biogeog, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Univ Liege, Lab Funct & Evolutionary Morphol, B-4000 Liege, Belgium

Recommended Citation:
Ku, Xiying; Peng, Zuogang; Diogo, Rui; He, Shunping.MtDNA phylogeny provides evidence of generic polyphyleticism for East Asian bagrid catfishes,HYDROBIOLOGIA,2007,579():147-159
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