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寄生在塞内加尔达喀尔汉恩湾一种经济上重要的海洋鱼类，苏眉鱼（鲈形目：隆头鱼科）的寄生异形纽口线虫（新纽口属）（线虫纲：纽口科）的形态和分子特征。

MORPHOLOGICAL AND MOLECULAR CHARACTERIZATION OF DICHELYNE (NEOCULLANELLUS) DAKARENSIS N. SP. (NEMATODA: CUCULLANIDAE) PARASITIZING AN ECONOMICALLY IMPORTANT MARINE FISH, THE SOMPAT GRUNT, POMADASYS JUBELINI (PERCIFORMES: HAEMULIDAE), FROM HANN BAY IN DAKAR, SENEGAL.

机构信息

Department of Animal Biology, Faculty of Sciences and Technics, Cheikh Anta Diop University, Dakar, Senegal.

IHPE, Univ Montpellier, CNRS, IFREMER, Univ Perpignan Via Domitia, Perpignan, France.

出版信息

J Parasitol. 2024 Sep 1;110(5):494-501. doi: 10.1645/22-19.

DOI:10.1645/22-19
PMID:39382050
Abstract

Nematodes collected from the intestine of sompat grunt Pomadasys jubelini Cuvier, 1830 from Hann Bay in Dakar, Senegal represent a new species described herein as Dichelyne (Neocucullanellus) dakarensis n. sp., and investigated with the use of light and scanning electron microscopy. The new species differs from its congeners based on several characteristics, especially because the subgenus Neocucullanellus is the only 1 that has 2 ceca. In addition, the new species diagnosis is based on the number and arrangement of the caudal papillae as well as the size of the veil of spicules. Morphological data were supported by molecular analysis. Results obtained using SSU rDNA and COI distinguished the present specimens from other cucullanids. Molecular data indicated the close relatedness between the new species and Dichelyne cotylophora Ward and Magath, 1917.

摘要

从塞内加尔达喀尔的 Hann Bay 采集的 Sompat grunt Pomadasys jubelini Cuvier, 1830 的肠道中的线虫代表了一种新的物种，本文将其描述为 Dichelyne (Neocucullanellus) dakarensis n. sp.，并使用光学和扫描电子显微镜进行了研究。该新种与同属的其他种有几个特征上的区别，特别是因为 Neocucullanellus 亚属是唯一有 2 个盲囊的属。此外，新种的诊断基于尾乳突的数量和排列以及棘刺的面纱的大小。形态学数据得到了分子分析的支持。使用 SSU rDNA 和 COI 获得的结果将本标本与其他 Cucullanidae 区分开来。分子数据表明，新种与 Dichelyne cotylophora Ward 和 Magath, 1917 密切相关。

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