中国西北部蜱虫中新兴的斑点热群立克次体
Emerging spotted fever group rickettsiae in ticks, northwestern China.
作者信息
Guo Li-Ping, Jiang Su-Hua, Liu Dan, Wang Shi-Wei, Chen Chuang-Fu, Wang Yuan-Zhi
机构信息
School of Medicine, Shihezi University, Shihezi 832000, Xinjiang Uygur Autonomous Region, China.
School of Medicine, Shihezi University, Shihezi 832000, Xinjiang Uygur Autonomous Region, China; Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030 Hubei, China.
出版信息
Ticks Tick Borne Dis. 2016 Oct;7(6):1146-1150. doi: 10.1016/j.ttbdis.2016.08.006. Epub 2016 Aug 16.
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.
我们报告了在中国西北部塔克拉玛干沙漠周边绵羊的图兰扇头蜱中发现的康氏立克次体印度亚种、类巴氏立克次体（暂定种）和马赛立克次体。由ompA - gltA - rrs - geneD - ompB串联序列数据的最大似然（ML）分析产生的系统发育树的拓扑结构与邻接法（NJ）树非常相似，并且对于将图兰扇头蜱中的立克次体纳入包含康氏立克次体印度亚种、类巴氏立克次体（暂定种）和立克次体属Tselentii菌株、马赛立克次体菌株AZT80以及马赛立克次体MTU5的进化枝内，自展值的总支持率为69% - 100%。研究表明，这些斑点热群立克次体的共存对中国的公共卫生构成威胁。探索新型和新出现的病原体的工作很重要。
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