Evidence for a common molecular origin of the capsule gene loci in Gram‐negative bacteria expressing group II capsular polysaccharides

Abstract excerpt

Capsular polysaccharides of Gram-negative bacteria contribute to a large extent to the pathogenicity of these organisms. We show here that the molecular organization of the capsule gene loci in different serogroups of Neisseria meningitidis is similar to that of Haemophilus influenzae and Escherichia coli. A common molecular origin of the mechanisms of encapsulation is indicated by strong homology of the genes...

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