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首页> 外文期刊>Biology Bulletin >Taxonomic Revision of the Genus Orloffia (Nematoda: Ostertagiinae) Based on an ITS-2 rDNA Study
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Taxonomic Revision of the Genus Orloffia (Nematoda: Ostertagiinae) Based on an ITS-2 rDNA Study

机译：基于ITS-2 rDNA研究的Orloffia属（线虫：Ostertagiinae）的分类学修订

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摘要

A comparative study of ITS-2 rDNA of the nematodes of the genera Orloffia, Ostertagia, Telador-sagia, and Trichostrongylus was performed. The obtained results allow us to consider Orloffia, Ostertagia, and Teladorsagia as closely related but distinct genera. The results of the study indicate that 6. bisonis is the only valid species in the genus Orloffia, which has two morphologically distinct forms of males: O. bisonis (major morph) and O. kasakhstanica (minor morph). The percentage of similarity of ITS-2 sequences was 83.3-84.5% between Orloffia spp. and Ostertagia ostertagi, 84.9-86.1% between Orloffia spp. and Teladorsagia cir-cumcincta, and 73.8-74.6% between Orloffia spp. and Trichostrongylus colubriformis.
机译：进行了对Orloffia，Ostertagia，Telador-sagia和Trichostrongylus线虫线虫ITS-2 rDNA的比较研究。获得的结果使我们可以将Orloffia，Ostertagia和Teladorsagia视为密切相关但又不同的属。研究结果表明6. bisonis是Orloffia属中唯一有效的物种，它具有两种形态上截然不同的雄性形式：O。bisonis（主要变种）和O. kasakhstanica（次要变种）。 Orloffia spp之间ITS-2序列的相似性百分比为83.3-84.5％。和Ostertagia ostertagi，在Orloffia spp之间占84.9-86.1％。和Teladorsagia cir-cumcincta之间，以及Orloffia spp之间的73.8-74.6％。和圆线虫。

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