市场沙蚤还是卡皮沙蚤(桡足目:勒足科)?由于它们形态上的高度变异,需要进行分类修订。

IF 1.5 4区 医学 Q3 PARASITOLOGY
Ryota Hasegawa, Hirotaka Katahira, Itsuro Koizumi
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引用次数: 2

摘要

Salmincola markewitschi Shedko et Shedko, 2002(桡足目:Lernaeopodidae)是一种寄生于口腔外的桡足类动物,主要感染白斑鲑Salvelinus leucomaenis (Pallas)(鲑科)。该种仅在东北亚有记录,在那里也分布着形态相似的同族Salmincola carpionis (Krøyer, 1837),使用相同的寄主种。这些桡足类动物由于外形相似,很难区分开来。因此,我们对日本5个白斑鲑种群的新收集标本进行了形态学和遗传学研究。大部分标本在形态上与市场石斛一致,但触角外足棘数、上唇黏液触须形状和大球径存在较大差异。因此,一些标本与carpionis具有相同的特征。除了形态学上的连续性外,28S rDNA和COI线粒体DNA的遗传分析证实了所有标本属于单一物种。在欧洲、北美和东北亚等分布广泛的地区收集样本,需要进一步的分类修订,以得出结论,以确定市场刺蒺藜是否与刺蒺藜不同。本文还提供了日本1915年产的Salmincola Wilson的物种鉴定钥匙。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Salmincola markewitschi or S. carpionis (Copepoda: Lernaeopodidae)? A requirement for taxonomic revision due to their high morphological variations.

Salmincola markewitschi Shedko et Shedko, 2002 (Copepoda: Lernaeopodidae) is an ectoparasitic copepod mainly infecting the buccal cavities of white-spotted charr Salvelinus leucomaenis (Pallas) (Salmonidae). This species has only been recorded from Northeast Asia, where a morphologically similar congener Salmincola carpionis (Krøyer, 1837) is also distributed, using the same host species. These copepods are hard to distinguish from each other because of their similarities. We thus examined the newly collected specimens morphologically and genetically from five populations of white-spotted charr in Japan. Most of the specimens were morphologically consistent with S. markewitschi but showed great variations in the numbers of spines on the exopods of the antennae, shape of the maxilliped myxal palps, and the bulla diameter. Consequently, some specimens shared characteristics with S. carpionis. In addition to the mophological continuities, genetic analyses of 28S rDNA and COI mitochondrial DNA confirmed that all specimens belong to a single species. Further taxonomic revisions are required to draw conclusions of whether S. markewitschi is a valid species different from S. carpionis, by collecting samples from across their wide distributional ranges, such as Europe, North America, and Northeast Asia. A key to identification of species of Salmincola Wilson, 1915 occurring in Japan is also provided.

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来源期刊
Folia Parasitologica
Folia Parasitologica 医学-寄生虫学
CiteScore
2.70
自引率
0.00%
发文量
25
审稿时长
>12 weeks
期刊介绍: FOLIA PARASITOLOGICA, issued in online versions, is an international journal that covers the whole field of general, systematic, ecological and experimental parasitology. It publishes original research papers, research notes and review articles. Contributions from all branches of animal parasitology, such as morphology, taxonomy, biology, biochemistry, physiology, immunology, molecular biology and evolution of parasites, and host-parasite relationships, are eligible. Novelty and importance in the international (not local or regional) context are required. New geographical records of parasites, records of new hosts, regional parasite and/or host surveys (if they constitute the principal substance of manuscript), local/regional prevalence surveys of diseases, local/regional studies on epidemiology of well known diseases and of parasite impact on human/animal health, case reports, routine clinical studies and testing of established diagnostic or treatment procedures, will not be considered. One species description will also not be considered unless they include more general information, such as new diagnostic characters, host-parasite associations, phylogenetic implications, etc. Manuscripts found suitable on submission will be reviewed by at least two reviewers.
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