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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/24190
Title: Molecular typing of Leptospira spp. based on putative O-antigen polymerase gene (wzy), the benefit over 16S rRNA gene sequence
Authors: Piyada Wangroongsarb
Teerarut Chanket
Kata Gunlabun
Do Hoang Long
Pedcharat Satheanmethakul
Siriporn Jetanadee
Janjira Thaipadungpanit
Vannaporn Wuthiekanun
Sharon J. Peacock
Stuart D. Blacksell
Lee D. Smythe
Dieter M. Bulach
Thareerat Kalambaheti
Mahidol University
World Health Organization, Australia
Monash University
Keywords: Biochemistry, Genetics and Molecular Biology;Immunology and Microbiology
Issue Date: 1-Jun-2007
Citation: FEMS Microbiology Letters. Vol.271, No.2 (2007), 170-179
Abstract: Molecular typing of leptospiral strains based on variation within putative O-antigen polymerase gene (wzy) was determined among reference strains and those isolated from patients. Using the PCR primers designed from the flanking gene of wzy derived from Leptospira interrogans serovar Copenhageni, all L. interrogans serovars as well as human and rodent leptospiral isolates from Thailand could be amplified. The size of PCR product ranged from 1 to 1.5 kb. The limitation of these primer pairs was the inability to amplify those strains whose sequences differ in the region of the primers, these included Leptospira biflexa (serovar Patoc), Leptospira borgpetersenii (serovar Tarassovi) and Leptospira kirschneri (serovar Bim, Bulgarica, Butembo). Notably, amplification was not limited to L. interrogans as demonstrated by the amplification of some strains from L. kirschneri, Leptospira meyeri, Leptospira noguchii, Leptospira santarosai, L. borgpetersenii and Leptospira weilii. The phylogenetic tree of wzy sequence, inferred by posterior probability of the Bayesian, enabled the categorization of leptospiral serovars into seven genetically related group, of which its differentiation power was better than that of the more highly conserved 16S rRNA gene, which is used extensively for genotyping. © 2007 Federation of European Microbiological Societies.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=34249036078&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/24190
ISSN: 15746968
03781097
Appears in Collections:Scopus 2006-2010

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