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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5043

Title: Phylogenetic position of three Condylostoma species (Protozoa, Ciliophora, Heterotrichea) inferred from the small subunit rRNA gene sequence
Authors: Guo, Wenbo
Song, Weibo
Al-Rasheid, Khaled A.S.
Shao, Chen
Miao, Miao
Al-Farraj, Saleh A.
Al-Qurishy, Saleh A.
Chen, Zigui
Yi, Zhenzhen
Gao, Shan
Keywords: Marine ciliates
Condylostoma
Phylogeny
SS rRNA
Heterotrichs
Issue Date: 2008
Publisher: Elesiever
Citation: Progress in Natural Science: 18; 1089–1093
Abstract: The systematically poorly known ciliate genus Condylostoma was erected by Vincent in 1826. About 10 morphotypes have been reported, but any molecular investigations concerning this group so far are lacking. In this work, the small subunit ribosomal RNA (SS rRNA) gene of three marine Condylostoma species was sequenced, by which the phylogenetic trees were constructed by distancematrix, maximum parsimony and Bayesian inference methods. The results show that (1) all the trees have similar topologies with high supports; (2) Condylostoma is mostly related to the genus Condylostentor; and (3) three Condylostoma species as well as Condylostentor auriculatus cluster together and form a sister group with other heterotrichs. This is moderately consistent with the assessment of phylogenetic relationships of Condylostoma-related heterotrichs from the morphological information. The phylogenetic relationship of some other related heterotrichs, Peritromus, Folliculina, Stentor and Blepharisma, has been also discussed. 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
URI: http://hdl.handle.net/123456789/5043
ISSN: 1002-0071
Appears in Collections:College of Science

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