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2022年,意大利,新型细小病毒在欧洲刺猬致命性肠炎暴发中的发现

Novel parvovirus in an outbreak of fatal enteritis in European hedgehogs (), Italy, 2022.

作者信息

Lanave Gianvito, Diakoudi Georgia, Pellegrini Francesco, Lombardi Roberto, Prioletti Michela, Circella Elena, Camarda Antonio, Di Martino Barbara, Camero Michele, Decaro Nicola, Bányai Krisztián, Lavazza Antonio, Buonavoglia Canio, Martella Vito

机构信息

Department of Veterinary Medicine, University of Bari Aldo Moro , Bari, Italy.

Department of Veterinary Medicine, University of Teramo , Teramo, Italy.

出版信息

Microbiol Spectr. 2023 Sep 20;11(5):e0249423. doi: 10.1128/spectrum.02494-23.

Abstract

Starting from June 2022, increased mortality associated with enteric signs was reported in European hedgehogs () recovered at a regional wildlife rescue center, in Apulia, Italy. Cases of enteric disease were observed until the end of the breeding season, despite increased biosafety measures. A novel parvovirus was identified using metaviromic, and parvovirus-like particles were observed in the stools on electron microscopy observation. The virus was detected in the fecal samples of all the animals tested ( = 9) and in the internal organs (liver, spleen, and kidney) of three out of nine animals using a specific quantitative assay. In the full-length genome, the parvovirus was closely related (90.4% nt) to a chaphamaparvovirus identified in an Amur hedgehog () in Asia and to chaphamaparvoviruses (≤ 70% nt) detected in bats and rodents. Since chaphamaparvoviruses are considered as pathogen in rodents, it will be important to investigate the pathogenic role, if any, of these parvoviruses in hedgehogs. IMPORTANCE European hedgehogs () are common in Europe. This species has been shown to harbor occasionally zoonotic pathogens, including bacteria, fungi, and viruses. Exploring the virome of wildlife animals is important for animal conservation and also to assess zoonotic risks. Our metaviromic investigation identified a novel parvovirus from an outbreak of enteritis in European hedgehogs housed in a wildlife rescue center, extending the spectrum of potential viral pathogens in this species.

摘要

自2022年6月起,意大利普利亚一家地区野生动物救助中心收治的欧洲刺猬出现了与肠道症状相关的死亡率上升情况。尽管加强了生物安全措施,但肠道疾病病例一直持续到繁殖季节结束。通过宏病毒组学鉴定出一种新型细小病毒,电子显微镜观察发现粪便中有细小病毒样颗粒。使用特异性定量检测方法,在所有检测动物(n = 9)的粪便样本以及9只动物中的3只的内脏器官(肝脏、脾脏和肾脏)中检测到了该病毒。在全长基因组中,该细小病毒与在亚洲一只刺猬( Erinaceus amurensis )中鉴定出的一种查帕马细小病毒密切相关(核苷酸序列相似度为90.4%),并与在蝙蝠和啮齿动物中检测到的查帕马细小病毒(核苷酸序列相似度≤70%)相关。由于查帕马细小病毒被认为是啮齿动物的病原体,因此研究这些细小病毒在刺猬中是否具有致病作用(若有)将非常重要。重要性 欧洲刺猬( Erinaceus europaeus )在欧洲很常见。该物种偶尔会携带人畜共患病原体,包括细菌、真菌和病毒。探索野生动物的病毒组对于动物保护以及评估人畜共患病风险都很重要。我们的宏病毒组学调查从一家野生动物救助中心收治的患肠炎的欧洲刺猬中鉴定出一种新型细小病毒,扩展了该物种潜在病毒病原体的范围。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/398c/10581001/e09ddbc4b63e/spectrum.02494-23.f001.jpg

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