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Broad-coverage molecular epidemiology of Orientia tsutsugamushi in Thailand.
Infect Genet Evol. 2013 Apr; 15:53-8.IG

Abstract

Orientia tsutsugamushi, an obligate intracellular bacterium closely related to the genus Rickettsia, is the causative agent of scrub typhus, a major cause of febrile illness in rural areas of Asia-Pacific region. Scrub typhus is transmitted by the bite of infected mites of the genus Leptotrombidium. The region of the 56-kDa TSA gene spanning from variable domain I (VDI) to variable domain IV (VDIV) was sequenced and used for genotyping 77 O. tsutsugamushi samples from human patients confirmed with scrub typhus from 2001 to 2003 and 2009 to 2010 in different regions of Thailand. These sequences were also compared to previously published 56-kDa TSA sequences. Only 4 genotypes out of 8 previously reported in Thailand were identified, i.e. Karp, JG-v, TA763 and Kato, respectively. Two strains were not associated with known genotypes but were closely related to Taiwanese strains. The Karp genotype was confirmed as the predominant clade. The JG-v and TA763 genotypes, in contrast to other studies, also were found. The genotype TA716 was not found, except for one strain previously described.

Authors+Show Affiliations

Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand. sipwp@mahidol.ac.thNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21712103

Citation

Wongprompitak, Patimaporn, et al. "Broad-coverage Molecular Epidemiology of Orientia Tsutsugamushi in Thailand." Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases, vol. 15, 2013, pp. 53-8.
Wongprompitak P, Anukool W, Wongsawat E, et al. Broad-coverage molecular epidemiology of Orientia tsutsugamushi in Thailand. Infect Genet Evol. 2013;15:53-8.
Wongprompitak, P., Anukool, W., Wongsawat, E., Silpasakorn, S., Duong, V., Buchy, P., Morand, S., Frutos, R., Ekpo, P., & Suputtamongkol, Y. (2013). Broad-coverage molecular epidemiology of Orientia tsutsugamushi in Thailand. Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases, 15, 53-8. https://doi.org/10.1016/j.meegid.2011.06.008
Wongprompitak P, et al. Broad-coverage Molecular Epidemiology of Orientia Tsutsugamushi in Thailand. Infect Genet Evol. 2013;15:53-8. PubMed PMID: 21712103.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Broad-coverage molecular epidemiology of Orientia tsutsugamushi in Thailand. AU - Wongprompitak,Patimaporn, AU - Anukool,Wichittra, AU - Wongsawat,Ekkarat, AU - Silpasakorn,Saowalak, AU - Duong,Veasna, AU - Buchy,Philippe, AU - Morand,Serge, AU - Frutos,Roger, AU - Ekpo,Pattama, AU - Suputtamongkol,Yupin, Y1 - 2011/06/25/ PY - 2011/03/21/received PY - 2011/06/01/revised PY - 2011/06/13/accepted PY - 2011/6/30/entrez PY - 2011/6/30/pubmed PY - 2014/1/23/medline SP - 53 EP - 8 JF - Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases JO - Infect Genet Evol VL - 15 N2 - Orientia tsutsugamushi, an obligate intracellular bacterium closely related to the genus Rickettsia, is the causative agent of scrub typhus, a major cause of febrile illness in rural areas of Asia-Pacific region. Scrub typhus is transmitted by the bite of infected mites of the genus Leptotrombidium. The region of the 56-kDa TSA gene spanning from variable domain I (VDI) to variable domain IV (VDIV) was sequenced and used for genotyping 77 O. tsutsugamushi samples from human patients confirmed with scrub typhus from 2001 to 2003 and 2009 to 2010 in different regions of Thailand. These sequences were also compared to previously published 56-kDa TSA sequences. Only 4 genotypes out of 8 previously reported in Thailand were identified, i.e. Karp, JG-v, TA763 and Kato, respectively. Two strains were not associated with known genotypes but were closely related to Taiwanese strains. The Karp genotype was confirmed as the predominant clade. The JG-v and TA763 genotypes, in contrast to other studies, also were found. The genotype TA716 was not found, except for one strain previously described. SN - 1567-7257 UR - https://www.unboundmedicine.com/medline/citation/21712103/Broad_coverage_molecular_epidemiology_of_Orientia_tsutsugamushi_in_Thailand_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1567-1348(11)00221-8 DB - PRIME DP - Unbound Medicine ER -