从牛和实验室化幼虫中收集的Rhipicephalus microplus中的致病性Rickettsia,Anaplasma和Ehrlichia
Jiao Xu1, Xiao-Lan Gu1, Ze-Zheng Jiang1
1State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan City, China.
PLoS neglected tropical diseases
|August 30, 2023
概括
这项研究在中国的牛中发现了多种Rickettsiales病原体,包括Candidatus Rickettsia xinyangensis和Anaplasma platys,有潜在的转卵巢传播的证据,对公共健康构成威胁.
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
- 昆虫学 昆虫学是一门学科.
背景情况:
- 瑞克类包括携带载体的细菌,它们会导致新出现的传染病和经济损失.
- 是Rickettsiales病原体的重要载体,影响牲畜和人类的健康.
研究的目的:
- 为了调查瑞克特西亚,阿纳普拉斯玛和埃里希亚种类的分布. 来自中国湖南省岳阳市的.
- 评估虫中这些病菌生物的跨卵巢传播潜力.
主要方法:
- 在岳阳市从牛群中收集了465只 (Rhipicephalus microplus).
- 使用PCR来放大Rickettsia,Anaplasma和Ehrlichia的特定基因 (htrA,rrs,gltA,ompA,ompB,groEL).
主要成果:
- 检测到的是Candidatus Rickettsia xinyangensis (1.5%),Candidatus Anaplasma boleense (1.9%),Anaplasma platys (1.3%),Anaplasma marginale (0.6%),Anaplasma bovis (1.17%),Ehrlichia minasensis (1.17%),以及一个未经分类的Ehrlichia sp. 这三种植物. 这一比例为 (1.17%).
- 在100%的受感染雌性幼虫中发现了Candidatus Rickettsia xinyangensis,在33.3%的幼虫中发现了Anaplasma platys,这表明潜在的透卵性传播.
结论:
- 在中国,Rhipicephalus microplus中的多种致病性菌物种对人类和动物的健康构成威胁.
- 这项研究提供了第一个分子证据,证明了Candidatus Rickettsia xinyangensis和Rhipicephalus microplus. Anaplasma platys在Rhipicephalus microplus.中的潜在的透卵性传播.
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