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学科主题: Microbiology
题名: Alpha-Tubulin and Small Subunit rRNA Phylogenies of Peritrichs Are Congruent and Do Not Support the Clustering of Mobilids and Sessilids (Ciliophora, Oligohymenophorea)
作者: Gong, Yingchun1, 3; Xu, Kuidong2; Zhan, Zifeng2; Yu, Yuhe1; Li, Xuemei1; Villalobo, Eduardo4; Feng, Weisong1
通讯作者: Yu, YH, Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China
关键词: alpha-tubulin ; Mobilida ; Peritrichia ; phylogeny ; Sessilida ; SSU rRNA
刊名: JOURNAL OF EUKARYOTIC MICROBIOLOGY
发表日期: 2010-05-01
DOI: 10.1111/j.1550-7408.2010.00472.x
卷: 57, 期:3, 页:265-272
收录类别: SCI
文章类型: Article
部门归属: [Gong, Yingchun; Yu, Yuhe; Li, Xuemei; Feng, Weisong] Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China; [Xu, Kuidong; Zhan, Zifeng] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China; [Gong, Yingchun] State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Villalobo, Eduardo] Univ Seville, Fac Biol, Dept Microbiol, Seville 41012, Spain
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [30770260, 30900130]; Chinese Academy of Sciences [KZCX2-YW-417]; State Key Laboratory of Freshwater Ecology and Biotechnology [2009FB02]; Spanish Ministry of Science and Education [BOS2003-01072]
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: Peritrich ciliates have been traditionally subdivided into two orders, Sessilida and Mobilida within the subclass Peritrichia. However, all the existing small subunit (SSU) rRNA phylogenetic trees showed that the sessilids and mobilids did not branch together. To shed some light on this disagreement, we tested whether or not the classic Peritrichia is a monophyletic group by assessing the reliability of the SSU rRNA phylogeny in terms of congruency with alpha-tubulin phylogeny. For this purpose, we obtained 10 partial alpha-tubulin sequences from peritrichs and built phylogenetic trees based on alpha-tubulin nucleotide and amino acid data. A phylogenetic tree from the alpha-tubulin and SSU rRNA genes in combination was also constructed and compared with that from the SSU rRNA gene using a similar species sampling. Our results show that the mobilids and sessilids are consistently separated in all trees, which reinforces the idea that the peritrichs do not constitute a monophyletic group. However, in all alpha-tubulin gene trees, the urceolariids and trichodiniids do not group together, suggested mobilids may not be a monophyletic group.
英文摘要: Peritrich ciliates have been traditionally subdivided into two orders, Sessilida and Mobilida within the subclass Peritrichia. However, all the existing small subunit (SSU) rRNA phylogenetic trees showed that the sessilids and mobilids did not branch together. To shed some light on this disagreement, we tested whether or not the classic Peritrichia is a monophyletic group by assessing the reliability of the SSU rRNA phylogeny in terms of congruency with alpha-tubulin phylogeny. For this purpose, we obtained 10 partial alpha-tubulin sequences from peritrichs and built phylogenetic trees based on alpha-tubulin nucleotide and amino acid data. A phylogenetic tree from the alpha-tubulin and SSU rRNA genes in combination was also constructed and compared with that from the SSU rRNA gene using a similar species sampling. Our results show that the mobilids and sessilids are consistently separated in all trees, which reinforces the idea that the peritrichs do not constitute a monophyletic group. However, in all alpha-tubulin gene trees, the urceolariids and trichodiniids do not group together, suggested mobilids may not be a monophyletic group.
关键词[WOS]: GENE-SEQUENCES ; MAXIMUM-LIKELIHOOD ; EVOLUTION ; RECONSIDERATION ; CLASSIFICATION ; OPISTHONECTA ; ZOOTHAMNIUM ; VORTICELLA ; INFERENCE ; TAXA
语种: 英语
WOS记录号: WOS:000277001800007
ISSN号: 1066-5234
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13544
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
4.Univ Seville, Fac Biol, Dept Microbiol, Seville 41012, Spain

Recommended Citation:
Gong, Yingchun; Xu, Kuidong; Zhan, Zifeng; Yu, Yuhe; Li, Xuemei; Villalobo, Eduardo; Feng, Weisong.Alpha-Tubulin and Small Subunit rRNA Phylogenies of Peritrichs Are Congruent and Do Not Support the Clustering of Mobilids and Sessilids (Ciliophora, Oligohymenophorea),JOURNAL OF EUKARYOTIC MICROBIOLOGY,2010,57(3):265-272
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文件名: Alpha-Tubulin and Small Subunit rRNA Phylogenies of Peritrichs Are Congruent and Do Not Support the Clustering of Mobilids and Sessilids (Ciliophora, Oligohymenophorea).pdf
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