TB & Outbreaks Week
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Tuberculosis
Studies conducted at T. Wada et al on tuberculosis recently published
March 10th, 2009
According to recent research from Osaka, Japan, "The Beijing/W family is the endemic lineage of Mycobacterium tuberculosis in East Asia: it has disseminated worldwide. To elucidate its genetic diversity in Japan, phylogenetic reconstruction was performed using 403 M. tuberculosis Beijing family clinical isolates." "Variable number of tandem repeats analysis revealed the strains from Japan to be dispersed mainly among five subgroups in a phylogenetic tree. Interestingly, the genotypes of the strains from China and Mongolia were restricted mainly to a single branch; they exhibited high clonality. IS6110 insertion in the NTF region was also analyzed. The majority (78.6%)...
Source: TB & Outbreaks Week (2009-03-10)
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