Polymerase Chain Reaction Analysis of Borrelia Species Isolated in Japan
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概要
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Primer reactivities of 25 Borrelia burgdorferi sensu lato isolates from the ticks, Ixodes persulcatus and I. ovatus, in Japan and 10 isolates in Europe and North America were investigated. The methods used in this study were the polymerase chain reaction (PCR) on the flagellin structural gene (fla), the outer surface protein A gene (osp A) and the outer surface protein B gene (osp B), and the restriction fragment length polymorphism (RFLP) analysis of PCR products from osp A and osp B. The flagellin PCR primer set reacted with all the Borrelia strains tested. Four genospecies, B. burgdorferi sensu stricto, B. garinii, B. afzelii and B. japonica, were differentiated by PCR using osp A and osp B primers combined with RFLP analysis. Some Japanese isolates from I. persulcatus were identified as B. garinii or B. afzelii. The other isolates from I. persulcatus did not fit in any of the 4 genospecies.These results suggested that Japanese isolates from I. persulcatus are highly heterogeneous in their osp A and osp B structures. Furthermore, PCR primers targeting fla are applicable to the gene diagnosis for Lyme disease in Japan, and osp A and osp B primers can be used to classify B. burgdorferi sensu lato isolates into genospecies by PCR and RFLP analyses.
- 微生物学・免疫学学会連合の論文
微生物学・免疫学学会連合 | 論文
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