ArticleParasites & vectors2022
Identification and genetic diversity analysis of Rickettsia in Dermacentor nuttalli within inner Mongolia, China.
Article in Parasites & vectors, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 15 citations in OpenAlex.
- Improved Detection and Sequencing of Rickettsia spp. DNA in South African Wildlife.Veterinary medicine and science · 2026Article
- Genetic diversity and population structure of the Dermacentor nuttalli in Northern China inferred from microsatellite markers.Parasites & vectors · 2026Article
- Molecular Detection and Identification of Bacterial Pathogens in Qinghai Province, China.Pathogens (Basel, Switzerland) · 2026Article
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- Ecological niche and rickettsial risk mapping ofFrontiers in cellular and infection microbiology · 2026Article
- Clinical characteristics and epidemiological analysis of 23 cases of tick-borne rickettsiosis in Xinjiang Uygur Autonomous Region.Frontiers in cellular and infection microbiology · 2026Article
- Tick Infestation Among Stray Dogs of Urban Chișinău, Moldova: Species Distribution and Pathogen Detection.Pathogens (Basel, Switzerland) · 2025Article
- The differences in microbial communities and Tick-Borne pathogens between Dermacentor marginatus and Hyalomma asiaticum collected from the Northwestern Xinjiang Uygur Autonomous Region, China.BMC infectious diseases · 2025Article
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- Molecular surveillance reveals a potential hotspot of tick-borne disease in Yakeshi City, Inner Mongolia.BMC microbiology · 2023Article
- The current distribution of tick species in Inner Mongolia and inferring potential suitability areas for dominant tick species based on the MaxEnt model.Parasites & vectors · 2023Review
- The life cycle ofFrontiers in veterinary science · 2023Article
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Authors and funding
9 authors at 5 institutions in 1 country.
Funding
Abstract
backgroundThe genus Rickettsia contains the lineages spotted fever group (SFG), typhus group (TG), and transitional group (TRG). The spotted fever group Rickettsia (SFGR) is transmitted by ticks. The tick species Dermacentor nuttalli is considered the main vector carrying SFGR in Inner Mongolia. Studying the genetic diversity and population structure of Rickettsia is essential for developing effective control strategies and predicting evolutionary trends of Rickettsia.
methodsIn 2019 we collected 408 D. nuttalli in the Inner Mongolia Autonomous Region, detected the percentage of Rickettsia-positive specimens, and characterized the haplotypes. From the Rickettsia-positive ticks, the gltA and ompA genes were extracted, amplified, and sequenced.
resultsTen haplotypes of the gltA gene and 22 haplotypes of the ompA gene were obtained. The phylogenetic analysis showed that the haplotypes G1-G7 and G9 of the gltA gene cluster with Rickettsia raoultii, while G8 and G10 cluster with Rickettsia sibirica. Haplotypes O1-O15, O18 and O20-O22 of the ompA gene cluster with R. raoultii, while O16 and O19 cluster with R. sibirica. The average haplotype diversity was 0.3 for gltA and 0.7 for ompA. The average nucleotide diversity was greater than 0.05. Neutrality tests were nonsignificant for Tajima's D results and Fu's Fs results. The fixation index values (F
conclusionsWe found two Rickettsia spp. (R. raoultii and R. sibirica). The high genetic disparity of Rickettsia allows for easy adaption to different environments. Genetic differentiation between populations is small, and Rickettsia populations do not show a geographically differentiated structure. The high rates of retention and infection of Rickettsia in D. nuttalli together with the animal husbandry exchange in Inner Mongolia gradually led to the harmonization of genetic characteristics of Rickettsia across various regions. Overall, the significant genetic diversity and geographical structure of Rickettsia in D. nuttalli are critical for SFGR control.
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