Emerging spotted fever group rickettsiae in ticks, northwestern China

We report Rickettsia conorii subsp. indica, Candidatus R. barbariae and R. massiliae in Rhipicephalus turanicus from sheep around the Taklamakan desert, northwestern China. The topology of the phylogenetic trees produced from the maximum likelihood (ML) analyses of the ompA-gltA-rrs-geneD-ompB conca...

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Bibliographic Details
Published in:Ticks and tick-borne diseases 2016-10, Vol.7 (6), p.1146-1150
Main Authors: Guo, Li-Ping, Jiang, Su-Hua, Liu, Dan, Wang, Shi-Wei, Chen, Chuang-Fu, Wang, Yuan-Zhi
Format: Article
Language:English
Subjects:
Animals
China - epidemiology
Communicable Diseases, Emerging - epidemiology
Female
Humans
Male
Rickettsia - isolation & purification
Spotted Fever Group Rickettsiosis - epidemiology
Spotted Fever Group Rickettsiosis - microbiology
Ticks - microbiology
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Summary:We report Rickettsia conorii subsp. indica, Candidatus R. barbariae and R. massiliae in Rhipicephalus turanicus from sheep around the Taklamakan desert, northwestern China. The topology of the phylogenetic trees produced from the maximum likelihood (ML) analyses of the ompA-gltA-rrs-geneD-ompB concatenated sequence data was very similar to that of the neighbor joining (NJ) tree, and with total support of 69%-100% bootstrap values for the inclusion of the rickettsiae in Rh. turanicus within the clade that contained R. conorii subsp. indica; Candidatus R. barbariae and Rickettsia sp. Tselentii; R. massiliae str. AZT80; and R. massiliae MTU5, respectively. Studies suggest that the co-existence of these spotted fever group rickettsiae is a threat to public health in China. Work is important in exploring novel and emerging pathogens.
ISSN:1877-959X
1877-9603
DOI:10.1016/j.ttbdis.2016.08.006