宿主特异性和地理分散形成了Rhinolophus蝙蝠中的病毒组多样性
Daxi Wang1,2, Linmiao Li3, Zirui Ren1,2
1BGI Research, Beijing, China.
Molecular ecology
|January 18, 2025
概括
里诺洛弗斯蝙蝠携带多种病毒,包括与人类和牲畜病原体相关的病毒,如SARS-CoVs. 了解蝙蝠病毒组对于预测和预防动物传染病溢出事件至关重要.
科学领域:
- 病毒学 病毒学
- 生态生态学 生态生态学
- 基因组学就是基因组学.
背景情况:
- 莱诺洛弗斯蝙蝠是众所周知的人类和牲畜病毒的重要储库,如SARSr-CoV和SADSr-CoV.
- 了解蝙蝠病毒的多样性和分布对于公共卫生和流行病准备至关重要.
研究的目的:
- 描述来自多个物种的603只蝙蝠的病毒组,重点关注病毒多样性,丰富性和地理分布.
- 调查跨物种的病毒传播,并识别具有潜在动物性疾病影响的病毒.
- 探索宿主基因对蝙蝠群体内的病毒社区结构的影响.
主要方法:
- 来自603只蝙蝠的13个物种的病毒组的metatranscriptomic测序.
- 生物信息分析用于识别病毒集群并评估病毒多样性和丰度.
- 对病毒进化和宿主特异性的比较分析,特别是对于SARSr-CoVs.
主要成果:
- 从133个感染脊椎动物的病毒群中发现了大量的病毒基因组资源.
- 识别了9个与已知的人类和牲畜病原体密切相关的病毒群.
- 在哺乳动物和蝙蝠家族之间存在跨物种病毒传播的证据.
- 在R. affinis和R. sinicus.中受宿主群体遗传学影响的明显的病毒多样性模式.
- 在Rhinolophus物种中观察到SARSr-CoV的多种宿主特异性和模块化进化.
结论:
- 蝙蝠病毒体表现出与宿主遗传多样性的复杂相互作用,影响病毒的传播和结构.
- 这些发现强调了蝙蝠病毒传播风险的低估,以及加强监测的必要性.
- 对蝙蝠种群的持续监测对于了解和减轻动物传播病毒的出现至关重要.
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