Article
Common Evolutionary Origin for the Unstable Virulence Plasmid pMUM Found in Geographically Diverse Strains of<i>Mycobacterium ulcerans</i>
16 Feb 2005
Abstract excerpt
The 174-kb virulence plasmid pMUM001 in Mycobacterium ulcerans epidemic strain Agy99 harbors three very large and homologous genes that encode giant polyketide synthases (PKS) responsible for the synthesis of the lipid toxin mycolactone. Deeper investigation of M. ulcerans Agy99 resulted in identification of two types of spontaneous deletion variants of pMUM001 within a population of cells that also contained the...
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