Morphology and molecular phylogeny of Rhadinorhynchus nudus (Harada, 1938) (Acanthocephala: Rhadinorhynchidae) from Euthynnus affinis (Scombridae) in the Persian Gulf off Iran.

IF 1.2 4区医学 Q4 PARASITOLOGY

Systematic Parasitology Pub Date : 2025-05-05 DOI:10.1007/s11230-025-10225-z

Reza Ghanei-Motlagh, Jesús S Hernández-Orts, Mark D Fast, Mansour El-Matbouli, Mona Saleh

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Abstract

Acanthocephalans collected from the stomach of the mackerel tuna (Euthynnus affinis Cantor) in the Persian Gulf off Iran were identified as Neorhadinorhynchus nudus Harada, 1938 based on morphological characters and molecular sequence data from mitochondrial (cytochrome c oxidase subunit I, COI) and nuclear ribosomal DNA (small and large subunit ribosomal DNA, 18S and 28S rDNA). Phylogenetic analyses of the order Echinorhynchida Southwell & Macfie, 1925 were performed based on the concatenated (18S+28S+COI) sequence data using maximum likelihood (ML) and Bayesian inference (BI) analyses. The results showed that N. nudus grouped together with species of Rhadinorhynchus Lühe, 1911, supporting the proposal that Neorhadinorhynchus Yamaguti, 1939 is a synonym of Rhadinorhynchus. Rhadinorhynchus mariserpentis Steinauer et al., 2019 was also treated as a junior synonym of Rhadinorhynchus nudus. Haplotype network analysis revealed no correlation between haplotype distribution and geographical origin of R. nudus.

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原田，1938年)（棘头目：棘头目：棘头目）来自伊朗波斯湾的刺尾鱼（刺尾科）的形态和分子系统发育。

根据线粒体（细胞色素c氧化酶亚基I， COI）和核糖体DNA（核糖体小亚基DNA， 18S和28S rDNA）的形态特征和分子序列数据，从伊朗波斯湾的鲭鱼（Euthynnus affinis Cantor）胃中采集的棘头鱼被鉴定为Neorhadinorhynchus nudus Harada， 1938。采用最大似然（ML）和贝叶斯推理（BI）分析方法，对1925目Echinorhynchida Southwell & Macfie， 1925进行了系统发育分析。结果表明，N. nudus与Rhadinorhynchus l (he, 1911)属同一类群，支持了Neorhadinorhynchus Yamaguti， 1939是Rhadinorhynchus的同义词的观点。Rhadinorhynchus mariserpentis Steinauer et al.， 2019也被视为Rhadinorhynchus nudus的初级同义词。单倍型网络分析表明，裸鼠的单倍型分布与地理来源无相关性。

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来源期刊

Systematic Parasitology 医学-寄生虫学

CiteScore

2.20

自引率

23.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Systematic Parasitology publishes papers on the systematics, taxonomy and nomenclature of the following groups: Nematoda (including plant-parasitic), Monogenea, Digenea, Cestoda, Acanthocephala, Aspidogastrea, Cestodaria, Arthropoda (parasitic copepods, hymenopterans, mites, ticks, etc.), Protozoa (parasitic groups), and parasitic genera in other groups, such as Mollusca, Turbelleria, etc. Systematic Parasitology publishes fully illustrated research papers, brief communications, and fully illustrated major revisions. In order to maintain high standards, all contributors describing new taxa are asked to state clearly where the holotype is deposited and to make paratypes available for examination by the referees. It is recognized that, in some cases, this may cause problems for the authors, but it is hoped that by adhering to this rule authors may be protected against rapid synonymy of their taxa, and the types will be preserved for posterity.