在俄罗斯滨海地区河流鱼类中首次记录的二粒棘球绦虫(吸虫目:棘球绦虫科),并利用形态学和分子资料对其分类地位进行了讨论。

Parazitologiia Pub Date : 2015-05-01
M B Shedko, S G Sokolov, D M Atopkin
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引用次数: 0

摘要

在俄罗斯日本海沿岸地区河流中的三种淡水鲑科鱼类(Oncorhynchus masou, Brachymystax tumensis, Salvelinus curilus)中发现了迄今仅在日本列岛发现的卵状吸虫Dimerosaccus oncorhynchi (Eguchi, 1931)和岛津,1980)。这是这种寄生虫在亚洲大陆地区的首次记录。tumensis和S. curilus是oncorhynchi的新寄主。对所发现的吸虫作了生态笔记、形态描述和图解,阐明了雄性生殖系统的形态。本研究利用28S rDNA的部分序列,揭示了该物种与相关分类群的系统发育关系。这些结果表明,d.oncorhynchi是Opecoelinae亚科成员,与该亚科的代表Opecoeloides属亲缘关系密切。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
THE FIRST RECORD OF DIMEROSACCUS ONCORHYNCHI (TREMATODA: OPECOELIDAE) IN FISHES FROM RIVERS OF PRIMORSKY TERRITORY, RUSSIA, WITH A DISCUSSION ON ITS TAXONOMIC POSITION USING MORPHOLOGICAL AND MOLECULAR DATA.

The opecoelid trematode Dimerosaccus oncorhynchi (Eguchi, 1931) Shimazu, 1980, hitherto known only from the Japanese archipelago, has been found in three species of freshwater salmonid fish (Oncorhynchus masou, Brachymystax tumensis, Salvelinus curilus) from rivers of Primorsky Territory, the Sea of Japan basin, Russia. This is the first record of the parasite in the continental part of Asia. Fishes B. tumensis and S. curilus are new hosts for D. oncorhynchi. The ecological notes, morphological description and drawings of the found trematodes clarifying the morphology of the male reproductive system are given. In the present study phylogenetic relationships of the species D. oncorhynchi with the related taxa were revealed using partial sequences of the 28S rDNA. Obtained results indicate the validity of D. oncorhynchi as the member of the subfamily Opecoelinae, which was closely related to the genus Opecoeloides, a representative of this subfamily.

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