寄生于秘鲁海鲶 Galeichthys peruvianus(丝形目,鲶科)的两个 Neotetraonchus 新种(Dactylogyridea,Dactylogyridae),包括分子数据。

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
C. Cruces, J. Chero, L. Ñacari, V. R. De Celis, R. Simões, J. L. Luque
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引用次数: 0

摘要

作为寄生虫学调查的一部分,我们从秘鲁通贝斯地区皮萨罗港附近的秘鲁海鲶 Galeichthys peruvianus(丝形目,栗鲷科)的鳃丝中采集到了两个新的单鳃纲物种(Neotetraonchus celsomanueli sp.nov.和 N.peruvianus sp.nov.)标本。Neotetraonchus celsomanueli sp.nov.的特征是其 MCO 的远端呈 T 形,附属片呈肋状,下端膨大,末端呈蚯蚓状。Neotetraonchus peruvianus sp.nov.的典型特征是其 MCO 的远端呈大锤状,附属片的远端呈爪状。此外,N.peruvianus sp.nov.的特征还包括其水母状的喙。从 N.celsomanueli sp. nov. 获得了部分 28S rDNA 序列,并进行了系统进化分析。该分析表明,Neotetraonchus celsomanueli sp.nov.的系统发育位置属于由寄生于洄游鱼类和海洋杓鲇(包括 Hamatopeduncularia spp.、Chauhanellus spp.、Thysanotohaptor Kritsky、Shameem、Kumari & Krishnaveni 和 Neocalceostomoides spinivaginalis Lim,1995 年)的单膜寄生虫组成的支系。这一发现使已知的 Neotetraonchus 种类达到 7 种,也是秘鲁首次描述感染海洋鲶鱼的 Neotetraonchus 种类。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Two new Neotetraonchus species (Dactylogyridea, Dactylogyridae) parasitising the Peruvian sea catfish Galeichthys peruvianus (Siluriformes, Ariidae), including molecular data.
As part of a parasitological survey, several specimens of two new monopisthocotylean species, Neotetraonchus celsomanueli sp. nov. and N.peruvianus sp. nov. (Dactylogyridea, Dactylogyridae), were collected from the gill filaments of the Peruvian sea catfish Galeichthys peruvianus (Siluriformes, Ariidae) off Puerto Pizarro, Tumbes region, Peru. Neotetraonchus celsomanueli sp. nov. is characterised by an MCO with a T-shaped distal end and an accessory piece that is ribbed and expanded proximally with a worm-shaped termination. Neotetraonchus peruvianus sp. nov. is typified by its MCO, which has a sledgehammer-shaped distal end and an accessory piece with a claw-shaped distal end. Additionally, N.peruvianus sp. nov. is characterised by its jellyfish-shaped onchium. A partial 28S rDNA sequence was obtained from N.celsomanueli sp. nov., and a phylogenetic analysis was conducted. This analysis revealed the phylogenetic position of Neotetraonchus celsomanueli sp. nov. within a clade comprising monopisthocotylean parasites of diadromous and marine ariid catfishes, including Hamatopeduncularia spp., Chauhanellus spp., Thysanotohaptor Kritsky, Shameem, Kumari & Krishnaveni, , and Neocalceostomoides spinivaginalis Lim, 1995. This finding brings the number of known Neotetraonchus species to seven and represents the first described Neotetraonchus species infecting marine catfishes from Peru.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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