Variability in 3' end of 16S rRNA sequence of Mycobacterium ulcerans is related to geographic origin of isolates.

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RESUMO

Mycobacterium ulcerans causes extensive ulcers (Buruli ulcers) in the skin of humans. Analysis of the 3'-terminal region of the 16S rRNA gene sequence of 17 strains of M. ulcerans from Africa, the Americas, and Australia revealed three subgroups corresponding to the continent of origin, and some variable phenotypic characteristics. This sequence is useful for the rapid detection of M. ulcerans and discriminates M. marinum and M. shinshuense from M. ulcerans.

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