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学科主题: Parasitology
题名: Phylogeny of freshwater parasitic copepods in the Ergasilidae (Copepoda : Poecilostomatoida) based on 18S and 28S rDNA sequences
作者: Song, Y.; Wang, G. T.; Yao, W. J.; Gao, Q.; Nie, P.
通讯作者: Nie, P, Chinese Acad Sci, Inst Hydrobiol, Lab Fish Dis, State Key Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: BAYESIAN-INFERENCE ; TREE SELECTION ; BIOGEOGRAPHY ; MORPHOLOGY ; ALIGNMENT ; SOFTWARE
刊名: PARASITOLOGY RESEARCH
发表日期: 2008
DOI: 10.1007/s00436-007-0764-8
卷: 102, 期:2, 页:299-306
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, Lab Fish Dis, State Key Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Parasitology
研究领域[WOS]: Parasitology
摘要: The phylogenetic relationships among the Ergasilidae genera are poorly understood. In this study, 14 species from four genera in the Ergasilidae including Sinergasilus, Ergasilus, Pseudergasilus, and Paraergasilus were collected in China, and their phylogenetic relationships were examined using neighbor-joining, maximum parsimony, maximum likelihood, and Bayesian inference methods based on partial sequences of 18S and 28S ribosomal deoxyribonucleic acid, respectively. All the analyses suggest that the Sinergasilus and Paraergasilus are both monophyletic, but the Ergasilus is polyphyletic rather than monophyletic. Considering the relationships among the four genera, the phylogenetic analyses and subsequent hypothesis tests all suggest that Pseudergasilus clustered with some Ergasilus species may have a closer relationship with Sinergasilus rather than with Paraergasilus. It is proposed that the Sinergasilus and the Pseudergasilus species might have evolved from Ergasilus species.
英文摘要: The phylogenetic relationships among the Ergasilidae genera are poorly understood. In this study, 14 species from four genera in the Ergasilidae including Sinergasilus, Ergasilus, Pseudergasilus, and Paraergasilus were collected in China, and their phylogenetic relationships were examined using neighbor-joining, maximum parsimony, maximum likelihood, and Bayesian inference methods based on partial sequences of 18S and 28S ribosomal deoxyribonucleic acid, respectively. All the analyses suggest that the Sinergasilus and Paraergasilus are both monophyletic, but the Ergasilus is polyphyletic rather than monophyletic. Considering the relationships among the four genera, the phylogenetic analyses and subsequent hypothesis tests all suggest that Pseudergasilus clustered with some Ergasilus species may have a closer relationship with Sinergasilus rather than with Paraergasilus. It is proposed that the Sinergasilus and the Pseudergasilus species might have evolved from Ergasilus species.
关键词[WOS]: BAYESIAN-INFERENCE ; TREE SELECTION ; BIOGEOGRAPHY ; MORPHOLOGY ; ALIGNMENT ; SOFTWARE
语种: 英语
WOS记录号: WOS:000251373100018
ISSN号: 0932-0113
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8344
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 Dis, State Key Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China

Recommended Citation:
Song, Y.; Wang, G. T.; Yao, W. J.; Gao, Q.; Nie, P..Phylogeny of freshwater parasitic copepods in the Ergasilidae (Copepoda : Poecilostomatoida) based on 18S and 28S rDNA sequences,PARASITOLOGY RESEARCH,2008,102(2):299-306
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文件名: Phylogeny of freshwater parasitic copepods in the Ergasilidae (Copepoda--Poecilostomatoida) based on 18S and 28S rDNA sequences.pdf
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