A new Myxidium (Cnidaria: Myxosporea: Myxidiidae) from the gallbladder of the yellow bullhead, Ameiurus natalis (Siluriformes: Ictaluridae), from Southwestern Arkansas, USA.

IF 1.2 4区医学 Q4 PARASITOLOGY

Systematic Parasitology Pub Date : 2025-05-27 DOI:10.1007/s11230-025-10234-y

Chris T McAllister, Donald G Cloutman, Eric M Leis, Henry W Robison

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Abstract

The yellow bullhead, Ameiurus natalis (Lesueur) is a moderately-sized member of the catfish family Ictaluridae Gill with a fairly large North American distribution. Between March and December 2021 and again between March 2022 and March 2023, 37 A. natalis specimens were collected from watersheds in Arkansas (n = 30) and Oklahoma (n = 7), USA, and their gills, gallbladders, urinary bladders, fins, integument, other major organs, and musculature were examined for myxosporeans. The gallbladder of a single individual yellow bullhead from Sevier County, Arkansas, USA, was infected with a novel myxosporean, Myxidium horatioense n. sp. and an unknown species of myxosporean. Qualitative and quantitative morphological data were from ethanol-preserved myxospores of M. horatioense n. sp. Molecular data consisted of 1,846 and 844 base pair sequences of the partial small subunit ribosomal RNA gene for M. horatioense n. sp. and an unidentified myxosporean, respectively. This is the first report of any member of the genus Myxidium from A. natalis. This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub:urn:lsid:zoobank.org:act:92DC4EB0-3590-4EE0-8D90-D1279C52763B.

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美国阿肯色西南部黄头鲂胆囊一新种粘虫（刺胞纲：粘孢子目：粘虫科）。

黄头鱼，Ameiurus natalis （Lesueur）是一种中等大小的鲶鱼家族成员，在北美分布相当大。在2021年3月至12月以及2022年3月至2023年3月期间，分别从美国阿肯色州（n = 30）和俄克拉荷马州（n = 7）的流域采集了37份纳塔利斯标本，并对其鳃、胆囊、膀胱、鳍、被皮、其他主要器官和肌肉组织进行了粘孢子虫检查。美国阿肯色州塞维尔县一只黄头牛的胆囊感染了一种新型粘孢子虫——荷氏粘孢子虫和一种未知粘孢子虫。定性和定量形态学数据来自于乙醇保存的M. horatioense n. sp.黏液孢子。分子数据分别由M. horatioense n. sp.和未知黏液孢子的部分小亚基核糖体RNA基因的1846和844碱基对序列组成。这是首次报道的一种属。本文已在动物命名法官方注册（ZooBank）中注册为：urn:lsid:zoobank.org: pub:urn:lsid:zoobank.org:act: 92dc4e0 -3590- 4ee0 - 8d90 - d1279c52763b。

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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.