Microbial diversity of ticks and a novel typhus group Rickettsia species (Rickettsiales bacterium Ac37b) in Inner Mongolia, China

IF 2.3 2区医学 Q2 PARASITOLOGY

Parasite Pub Date : 2023-12-12 DOI:10.1051/parasite/2023057

Si Su, Mei Hong, Meng-Yu Cui, Zheng Gui, Shi-Fa Ma, Lina Wu, Li-Li Xing, Lan Mu, Jing-Feng Yu, Shao-Yin Fu, Rui-Juan Gao, Dong-dong Qi

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引用次数: 0

Abstract

Ticks can carry multiple pathogens, and Inner Mongolia’s animal husbandry provides excellent environmental conditions for ticks. This study characterized the microbiome of ticks from different geographical locations in Inner Mongolia; 905 Dermacentor nuttalli and 36 Ixodes persulcatus were collected from sheep in three main pasture areas and from bushes within the forested area. Mixed DNA samples were prepared from three specimens from each region and tick species. Microbial diversity was analyzed by 16S rRNA sequencing, and α and β diversity were determined. The predominant bacterial genera were Rickettsia (54.60%), including Rickettsiales bacterium Ac37b (19.33%) and other Rickettsia (35.27%), Arsenophonus (11.21%), Candidatus Lariskella (10.84%), and Acinetobacter (7.17%). Rickettsia bellii was identified in I. persulcatus, while Rickettsiales bacterium Ac37b was found in D. nuttalli from Ordos and Chifeng. Potential Rickettsia and Anaplasma coinfections were observed in the Ordos region. Tick microbial diversity analysis in Inner Mongolia suggests that sheep at the sampling sites were exposed to multiple pathogens.

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中国内蒙古蜱虫和新型斑疹伤寒立克次体（立克次体细菌Ac37b）的微生物多样性

蜱可携带多种病原体，内蒙古畜牧业为蜱提供了良好的生存环境条件。研究了内蒙古不同地区蜱虫的微生物群特征;在3个主要牧区的绵羊和林区的灌木中采集到肉芽革螨905只，过棘螨36只。从每个地区和蜱种的三个标本中制备混合DNA样本。采用16S rRNA测序分析微生物多样性，测定α和β多样性。优势菌属为立克次体(54.60%)，包括Ac37b立克次体(19.33%)和其他立克次体(35.27%)、Arsenophonus(11.21%)、Candidatus Lariskella(10.84%)和Acinetobacter(7.17%)。在过sulcatus中检出贝氏立克次体，在鄂尔多斯和赤峰的nuttalli中检出Ac37b立克次体。鄂尔多斯地区有立克次体和无形体合并感染的可能。内蒙古蜱虫微生物多样性分析表明，采样点的绵羊暴露于多种病原体。

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来源期刊

Parasite 医学-寄生虫学

CiteScore

5.50

自引率

6.90%

发文量

审稿时长

3 months

期刊介绍： Parasite is an international open-access, peer-reviewed, online journal publishing high quality papers on all aspects of human and animal parasitology. Reviews, articles and short notes may be submitted. Fields include, but are not limited to: general, medical and veterinary parasitology; morphology, including ultrastructure; parasite systematics, including entomology, acarology, helminthology and protistology, and molecular analyses; molecular biology and biochemistry; immunology of parasitic diseases; host-parasite relationships; ecology and life history of parasites; epidemiology; therapeutics; new diagnostic tools. All papers in Parasite are published in English. Manuscripts should have a broad interest and must not have been published or submitted elsewhere. No limit is imposed on the length of manuscripts, but they should be concisely written. Papers of limited interest such as case reports, epidemiological studies in punctual areas, isolated new geographical records, and systematic descriptions of single species will generally not be accepted, but might be considered if the authors succeed in demonstrating their interest.