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狗外寄生虫作为危地马拉农村的病原性瑞克蒂西亚和巴托内拉的哨兵
Yuexun Tian1, Jose G Juarez2, Andrea M Moller-Vasquez2
1Department of Entomology, Texas A&M University, College Station, TX, USA.
Acta tropica
|September 14, 2024
概括
在危地马拉,狗狗的跳和带有Rickettsia和Bartonella病原体,构成动物感染的风险. 这项研究强调了狗作为中美洲跳和传播疾病监测的哨兵.
科学领域:
- 兽医昆虫学 兽医昆虫学
- 动物传染病生态学
- 分子诊断学 分子诊断学
背景情况:
- 跳和会传播Rickettsia和Bartonella,这些病原体会引起人类和动物的重大疾病.
- 关于这些跳和传播疾病在中美洲,特别是危地马拉的自然传播周期的研究有限.
研究的目的:
- 评估狗外寄生虫作为危及危地马拉农村动物传播疾病风险的哨兵的作用.
- 为了识别感染狗的跳和物种,并选它们的Rickettsia和Bartonella病原体.
主要方法:
- 在危地马拉农村77个家庭的133只狗身上收集了寄生虫 (跳和).
- 收集的关节动物在形态上被识别出来.
- 用分子方法选单个寄生虫,以检测里克特西亚和巴托内拉DNA的存在.
主要成果:
- 猫头 (Ctenocephalides felis) 类动物,大虫 (Echidnophaga gallinacea) 和虫 (Pulex sp.) 类动物,它们的种类有: 发现的跳物种是白;主要的物种是Rhipicephalus sanguineus sensu lato.
- 在跳 (C. felis,Pulex sp.) 中检测到了Rickettsia felis. 和子 (R. sanguineus s.l.) 在这里. 在C. felis中发现了Candidatus R. senegalensis.
- 巴托内拉物种,包括B. vinsonii亚种. 伯克霍菲和B. henselae,仅在跳 (Pulex sp.,C. felis) 中检测到.
结论:
- 这项研究报告了Candidatus R. senegalensis和B. vinsonii亚种. 伯克霍菲在危地马拉的第一次.
- 狗寄生虫作为宝贵的哨兵来检测跳和传播的Rickettsia和Bartonella,表明对人类的潜在动物感染风险.
- 这些发现支持将这种哨兵方法扩展到其他中美洲地区,这些地区的物狗种群和外寄生虫流行率很高.
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