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Journal of Clinical Microbiology, July 2006, p. 2465-2467, Vol. 44, No. 7
0095-1137/06/$08.00+0     doi:10.1128/JCM.02272-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Genetic Differentiation of Chinese Isolates of Rickettsia sibirica by Partial ompA Gene Sequencing and Multispacer Typing

LiJuan Zhang,1* JianLing Jin,1 XiuPing Fu,1 Didier Raoult,2 and Pierre-Edouard Fournier2

Department of Rickettsiology, National Institute of Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijng, China,1 Unité des rickettsies, IFR 48, CNRS UMR 6020, Faculté de médecine, Université de la Méditerranée, Marseille, France2

Received 30 October 2005/ Returned for modification 11 March 2006/ Accepted 14 May 2006

Current data on rickettsiae and rickettsial diseases in China remain limited. Using partial ompA gene sequencing and multispacer typing, we identified 15 rickettsial isolates from China. All isolates were found to belong to Rickettsia sibirica subsp. sibirica. Four isolates from Dermacentor sinicus collected in Beijing, China, were fully identical to strain BJ-90, previously demonstrated to belong to R. sibirica subsp. sibirica despite antigenic and genotypic specificities. All 11 remaining isolates were similar to the R. sibirica subsp. sibirica type strain, 246. These were widely distributed in China in humans and different tick species. We emphasize the importance of surveying the distribution of R. sibirica in China.


* Corresponding author. Mailing address: Department of Rickettsiology, National Institute of Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping P.O. Box 5, Beijing 102206, China. Phone: 861061731692. Fax: 861061731692. E-mail: lijuanzhang2006{at}263.net.


Journal of Clinical Microbiology, July 2006, p. 2465-2467, Vol. 44, No. 7
0095-1137/06/$08.00+0     doi:10.1128/JCM.02272-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.