Article
Hypermutation in pathogenic bacteria: frequent phase variation in meningococci is a phenotypic trait of a specialized mutator biotype.
Molecular cell - 1 Apr 1999
Bucci C, Lavitola A, Salvatore P, Del Giudice L, Massardo D R, Bruni C B, Alifano P
Abstract excerpt
Expression of serogroup B meningococcal capsular polysaccharide undergoes frequent phase variation involving reversible frameshift mutations within a homopolymeric repeat in the siaD gene. A high rate of phase variation is the consequence of a biochemical defect in methyl-directed mismatch repair...
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