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Mycobacteria
New mycobacteria data have been reported by B. Muller and co-authors
May 6th, 2009
According to a study from Weybridge, the United Kingdom, "We have identified a clonal complex of Mycobacterium bovis present at high frequency in cattle in population samples from several sub-Saharan west-central African countries. This closely related group of bacteria is defined by a specific chromosomal deletion (RDAf1) and can be identified by the absence of spacer 30 in the standard spoligotype typing scheme." "We have named this group of strains the African 1 (Af1) clonal complex and have defined the spoligotype signature of this clonal complex as being the same as the M. bovis BCG vaccine strain but with the deletion of spacer 30. Strains of the Af1 clonal...
Source: Vaccine Weekly (2009-05-06)
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