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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5673

Title: Phylogeny of some systematically uncertain-urostyloids Apokeronopsis, Metaurostylopsis, Thigmokeronopsis (Ciliophora, Stichotrichia) estimated with smallsubunit rRNA genesequence information:Discrepancies and agreements with morphological data
Authors: Yi, Zhenzhen
Song, Weibo
Shao, Chen
Warren, Alan
Al-Rasheidc, Khaled A.S
Roberts, David McL.
Miao, Miao
Al-Quraishy, SalehA.
Chen, Zigui
Keywords: Urostylids
Issue Date: 2008
Publisher: Elesiever
Citation: European Journal of Protistology :44; 254–262
Abstract: The small subunit rRNA (SSrRNA) genes of seven species of urostyloids representing four genera were sequenced. Thesewere: Apokeronopsiscrassa, A. bergeri, Anteholosticha sp-QD-1, Metaurostylopsis sp-QD-1, M. sp-QD-2, M. sp- QD-3and Thigmokeronopsis sp-QD-1.Gene trees were constructed in order to investigate the irphylogenetic relationships. The results indicate that: (1) Apokeronopsis, Thigmokeronopsis and Metaurostylopsis form awell- supported, clearly isolated, monophyletic group; (2) Metaurostylopsis species analysed consistently group together indicating that it is a well-outlined genus; (3) the validity of the genus Apokeronopsis is supported; (4) the separation of Holosticha and Anteholosticha is supported although Anteholosticha species exhibita high molecular diversity; (5) Pseudokeronopsis and Thigmokeronopsis, which have been considered closely related, may not share a recent common ancestor, casting doubt on the monophyly of the family Pseudokeronopsidae.
URI: http://hdl.handle.net/123456789/5673
ISSN: 0932-4739
Appears in Collections:College of Science

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Phylogeny of Some Systematically Uncertain Urostyloids Apokeronopsis, Metaurostylopsis, Thigmokeronopsis (Ciliophora, Stichotrichia) Estimated with Small Subunit rRNA Gene Sequence Information:Discrepancies and Agreements with Morphological Data.pdf1.22 MBAdobe PDFView/Open

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