下一代测序元编码分析揭示了蒙古犬的各种细菌载体传播病原体
Cassandra Davitt1, Lucas G Huggins1, Martin Pfeffer2
1Melbourne Veterinary School, Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia.
Current research in parasitology & vector-borne diseases
|March 28, 2024
概括
细菌载体传播病原体 (BVBPs) 在蒙古犬中普遍存在,超过70%的感染者. 这项研究强调了狗.
科学领域:
- 兽医微生物学 兽医微生物学
- 传染性疾病 传染性疾病
- 一个健康,一个健康.
背景情况:
- 细菌载体传播病原体 (BVBPs) 在全球范围内对犬类构成重大健康风险,具有影响人类健康的动物感染潜力.
- 关于蒙古犬种群中BVBP患病率的数据有限,尽管它们与人类和牲畜非常接近.
- 蒙古的气候多样化和大量的狗种群需要了解BVBP的流行病学.
研究的目的:
- 评估使用下一代测序元编码 (mNGS) 在蒙古犬中检测BVBP的可行性.
- 为了确定这种犬种群中循环的特定BVBP.
- 探索狗的人口统计/环境和BVBP感染之间的关联.
主要方法:
- 针对细菌的mNGS试验被用来分析来自100只蒙古犬的样本.
- 病原体识别的重点是检测已知的BVBP.
- 使用无变量分析来检查与感染相关的因素.
主要成果:
- 检测到BVBP的高患病率,其中74%的狗至少感染了一种病原体.
- 确定了6种BVBP,包括3种血体 (71%的流行率), *Bartonella rochalimae* (3%), *Ehrlichia* spp. (2%) 和 *Anaplasma platys* (1%) 的情况.
- 雄犬 (OR=4.33) 和户外养的狗和与牲畜/人类直接接触的狗的感染率更高.
结论:
- mNGS是检测犬群中BVBP的有效工具.
- 蒙古犬经常被BVBPs感染,可能充当水库,并有助于疾病传播.
- 进一步的大规模血清流行研究对于全面的理解和控制策略至关重要.
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