来自伊比利亚半岛的欧洲野猪 (Sus scrofa) 中的胚胎囊发生率和亚型多样性
Pamela C Köster1,2,3, Ana M Figueiredo4,5, Jenny G Maloney6
1Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, Health Institute Carlos III, Majadahonda, Madrid, Spain.
Veterinary research
|October 7, 2024
概括
野猪携带胃肠道寄生虫布拉斯托菌,葡萄牙的流行率高于西班牙. 这一发现突出了野猪作为人类动物传播感染的潜在传播者.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 分子流行病学分子流行病学
- 一个健康 一个健康
背景情况:
- 增加的野猪种群增加了人与野生动物接触和病原体传播风险.
- 囊胚,一个常见的肠道前列体,在野生动物流行病学中起的作用不太清楚.
- 野生动物传播的动物传染病原体引起了公众健康的担忧.
研究的目的:
- 为了确定布拉斯托菌在伊比利亚野猪中的流行率和亚型多样性.
- 评估野猪作为动物性病原体Blastocystis亚型的水库的潜力.
- 了解野猪在胚胎囊病毒传播中的流行病学作用.
主要方法:
- 来自西班牙和葡萄牙的459个野猪便样本 (2014-2021) 的分析.
- 使用常规PCR检测胚囊.
- 使用下一代安普利康测序小子单元核糖体RNA (ssu rRNA) 基因来分类细胞囊.
主要成果:
- 在15.3%的野猪中检测到胚囊,葡萄牙 (34.3%) 的患病率明显高于西班牙 (10.0%).
- 鉴定了七种胚囊亚型 (ST5,ST10b,ST13-ST15,ST24b,ST43),其中ST5是最常见的.
- 在14.3%的阳性样本中发现了混合感染,在葡萄牙野猪中观察到更大的亚型变异性.
结论:
- 胚囊亚型ST5很适应于伊比利亚半岛的野猪.
- 野生猪中存在动物性病原体Blastocystis亚型的存在强调了它们在公共卫生中的作用.
- 需要进一步的研究来阐明野猪和其他宿主之间的传播动态.
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