马匹疹病毒5的遗传多样性在三个波兰国家马匹的马和马的时间样本中
Karol Stasiak1, Magdalena Dunowska2, Jerzy Rola1
1Department of Virology and Viral Animal Diseases, National Veterinary Research Institute, Al. Partyzantow 57, 24-100 Pulawy, Poland.
International journal of molecular sciences
|September 13, 2025
概括
马匹5型疹病毒 (EHV-5) 感染在马匹中显示出随着时间的推移显著的遗传变异. 子经常从除外的其他来源感染EHV-5,这表明复杂的传播动态.
科学领域:
- 兽医病毒学 兽医病毒学
- 马类传染病 马类传染病
- 分子流行病学分子流行病学
背景情况:
- 马性疹病毒5 (EHV-5) 是一种全球普遍存在的病毒,在马中引起潜在感染.
- 了解EHV-5的遗传多样性和传播对于马匹健康管理至关重要.
研究的目的:
- 为了研究随着时间的推移在个体马匹中EHV-5的遗传变异.
- 分析EHV-5在多个马匹养场的母马幼对之间的传播动态.
主要方法:
- 从档案 EHV-5 阳性鼻子拭子中放大部分葡萄糖蛋白 B (gB) 基因.
- 每个PCR产品的多个克隆 (3-5) 的测序.
- 使用身份矩阵,遗传学方法和中位数连接的单双类型网络进行分析.
主要成果:
- 从84个EHV-5阳性样本中测序了328个克隆,揭示了显著的遗传异质性 (89.4%100%核酸相同性).
- 马和小羊的EHV-5序列通常分别聚集在一起,尽管发现了一些共享的序列.
- 随着时间的推移,个体动物内的病毒序列在聚类模式上有所变化,并且在单个PCR产品中观察到不同的克隆.
结论:
- 子很可能从不同的来源获得EHV-5,而不仅仅是从它们的中获得,一些母马和子交换病毒.
- 个别的子可能被单个或多个EHV-5来源感染.
- 这项研究增强了对马群中EHV-5遗传变异性和感染动态的理解.
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