Systematic relationships of some members of the genera Oesophagostomum and Chabertia (Nematoda: Chabertiidae) based on ribosomal DNA sequence data

被引：36

作者：

Newton, LA ^{[1
]}

Chilton, NB ^{[1
]}

Beveridge, I ^{[1
]}

Gasser, RB ^{[1
]}

机构：

[1] Univ Melbourne, Dept Vet Sci, Werribee, Vic 3030, Australia

来源：

INTERNATIONAL JOURNAL FOR PARASITOLOGY | 1998年 / 28卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

Chabertiinae; Oesophagostominae; systematics; second internal transcribed spacer (ITS-2); ribosomal DNA (rDNA);

D O I：

10.1016/S0020-7519(98)00144-1

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

The present study characterised seven species of the Chabertiidae (Nematoda: Strongyloidea) belonging to either the subfamily Oesophagostominae (Oesophagostomum radiatum, Oesophagostomum venulosum, Oesophagostomum dentatum, Oesophagostomum quadrispinulatum. Oesophagostomum columbianum, Oesophagostomum bifurcum) or to the subfamily Chabertiinae (Chabertia ovina) by their second internal transcribed spacer rDNA sequence, assessed the extent of intraspecific variation and interspecific differences in the sequence, and inferred the phylogenetic relationship of C. ovina with respect to members of the Oesophagostominae. In both the phenetic and cladistic analyses of the sequence data, Chabertia was nested within Oesophagostomum, suggesting either that the species examined represent members of the same genus, or alternatively, that Oesophagostomum may represent more than one genus. (C) 1998 Australian Society for Parasitology. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：1781 / 1789

页数：9

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