Morphological and Molecular Descriptions of Macracanthorhynchus ingens (Acanthocephala: Oligacanthorhynchidae) Collected from Hedgehogs in Iran.

Q3 Immunology and Microbiology

Interdisciplinary Perspectives on Infectious Diseases Pub Date : 2022-10-21 eCollection Date: 2022-01-01 DOI:10.1155/2022/8418752

Mohsen Najjari, Amir Tavakoli Kareshk, Mohammad Darvishi, Gholamreza Barzegar, Majid Dusti, Mohammad Hasan Namaei, Ebrahim Shafaie, Rahmat Solgi

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Abstract

Aim: Limited data exist on acanthocephalan infections of hedgehogs in the world. Our objective was to investigate the prevalence and distribution of Macracanthorhynchus ingens infection in hedgehogs between August 2021 and March 2022 (n = 30) in the east of Iran.

Methods: At first, infection with M. ingens was diagnosed based on morphologic features of the adults such as body length, proboscis, and hooks. Spindle-shaped eggs (mean length, 99.1 microns; mean width, 60.1 microns) were obtained from the body cavity of gravid female specimens.

Results: The molecular analysis based on 18S rDNA and COX 1 genes confirmed the morphological identification of isolated M. ingens. The prevalence of M. ingens in our sample was 13.3% with 1-10 worms per infected host.

Conclusion: In this study, we identify M. ingens as zoonotic species in hedgehog carcasses for the first time that passed eggs and adult worms, indicating parasite maturation and reproduction. There are a few studies on acanthocephalans in Iran. Therefore, more comparative studies are needed to determine the status of these species.

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伊朗刺猬群的形态与分子特征(棘头纲:寡棘头科)。

目的:世界上关于刺猬棘头虫感染的资料有限。我们的目的是调查2021年8月至2022年3月期间(n = 30)伊朗东部刺猬感染macacanthorhynchus的流行情况和分布。方法:首先根据成虫体长、喙部、钩部等形态学特征进行诊断。纺锤形卵(平均长度99.1微米;平均宽度为60.1微米)。结果:基于18S rDNA和COX 1基因的分子分析证实了分离物的形态鉴定。在我们的样本中，芽孢杆菌的流行率为13.3%，每个感染宿主1-10只虫。结论:本研究首次在刺猬尸体中鉴定出金支原体为人畜共患种，并通过卵和成虫进行传代，表明其成熟和繁殖。在伊朗有一些关于棘头类动物的研究。因此，需要更多的比较研究来确定这些物种的地位。

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