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Reevaluation of the phylogenetic relationship between Mobilid and Sessilid peritrichs (Ciliophora, Oligohymenophorea) based on small subunit rRNA genes sequences
Gong, Ying-Chun; Yu, Yu-He; Villalobo, Eduardo; Zhu, Fei-Yun; Miao, Wei; Yu, YH, Chinese Acad Sci, Inst Hydrobiol, Lab Taxon & Edol Protozoa, Wuhan 430072, Peoples R China
2006-09-01
Source PublicationJOURNAL OF EUKARYOTIC MICROBIOLOGY
ISSN1066-5234
Volume53Issue:5Pages:397-403
AbstractBased on morphological characters, peritrich ciliates (Class Olygohymenophorea, Subclass Peritrichia) have been subdivided into the Orders Sessilida and Mobilida. Molecular phylogenetic studies on peritrichs have been restricted to members of the Order Sessilida. In order to shed more light into the evolutionary relationships within peritrichs, the complete small subunit rRNA (SSU rRNA) sequences of four mobilid species, Trichodina nobilis, Trichodina heterodentata, Trichodina reticulata, and Trichodinella myakkae were used to construct phylogenetic trees using maximum parsimony, neighbor joining, and Bayesian analyses. Whatever phylogenetic method used, the peritrichs did not constitute a monophyletic group: mobilid and sessilid species did not cluster together. Similarity in morphology but difference in molecular data led us to suggest that the oral structures of peritrichs are the result of evolutionary convergence. In addition, Trichodina reticulata, a Trichodina species with granules in the center of the adhesive disc, branched separately from its congeners, Trichodina nobilis and Trichodina heterodentata, trichodinids without such granules. This indicates that granules in the adhesive disc might be a phylogenetic character of high importance within the Family Trichodinidae.; Based on morphological characters, peritrich ciliates (Class Olygohymenophorea, Subclass Peritrichia) have been subdivided into the Orders Sessilida and Mobilida. Molecular phylogenetic studies on peritrichs have been restricted to members of the Order Sessilida. In order to shed more light into the evolutionary relationships within peritrichs, the complete small subunit rRNA (SSU rRNA) sequences of four mobilid species, Trichodina nobilis, Trichodina heterodentata, Trichodina reticulata, and Trichodinella myakkae were used to construct phylogenetic trees using maximum parsimony, neighbor joining, and Bayesian analyses. Whatever phylogenetic method used, the peritrichs did not constitute a monophyletic group: mobilid and sessilid species did not cluster together. Similarity in morphology but difference in molecular data led us to suggest that the oral structures of peritrichs are the result of evolutionary convergence. In addition, Trichodina reticulata, a Trichodina species with granules in the center of the adhesive disc, branched separately from its congeners, Trichodina nobilis and Trichodina heterodentata, trichodinids without such granules. This indicates that granules in the adhesive disc might be a phylogenetic character of high importance within the Family Trichodinidae.
SubtypeArticle
KeywordAdhesive Disc Granule Mobilida Phylogeny Ssrrna Trichodina Trichodinella
DepartmentChinese Acad Sci, Inst Hydrobiol, Lab Taxon & Edol Protozoa, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Univ Sevilla, Fac Biol, Dept Microbiol, E-41012 Seville, Spain
Subject AreaMicrobiology
DOI10.1111/j.1550-7408.2006.00121.x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000240404500012
WOS KeywordTRICHODINA-PEDICULUS CILIOPHORA ; PHYLUM CILIOPHORA ; SOUTH-AFRICA ; CILIATE ; INFERENCE ; EVOLUTION ; FISH ; TREES ; ECTOPARASITES ; APPARATUS
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8846
Collection期刊论文
Corresponding AuthorYu, YH, Chinese Acad Sci, Inst Hydrobiol, Lab Taxon & Edol Protozoa, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Lab Taxon & Edol Protozoa, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Univ Seville, Fac Biol, Dept Microbiol, E-41012 Seville, Spain
Recommended Citation
GB/T 7714
Gong, Ying-Chun,Yu, Yu-He,Villalobo, Eduardo,et al. Reevaluation of the phylogenetic relationship between Mobilid and Sessilid peritrichs (Ciliophora, Oligohymenophorea) based on small subunit rRNA genes sequences[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2006,53(5):397-403.
APA Gong, Ying-Chun,Yu, Yu-He,Villalobo, Eduardo,Zhu, Fei-Yun,Miao, Wei,&Yu, YH, Chinese Acad Sci, Inst Hydrobiol, Lab Taxon & Edol Protozoa, Wuhan 430072, Peoples R China.(2006).Reevaluation of the phylogenetic relationship between Mobilid and Sessilid peritrichs (Ciliophora, Oligohymenophorea) based on small subunit rRNA genes sequences.JOURNAL OF EUKARYOTIC MICROBIOLOGY,53(5),397-403.
MLA Gong, Ying-Chun,et al."Reevaluation of the phylogenetic relationship between Mobilid and Sessilid peritrichs (Ciliophora, Oligohymenophorea) based on small subunit rRNA genes sequences".JOURNAL OF EUKARYOTIC MICROBIOLOGY 53.5(2006):397-403.
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