TABLE 3.

Distribution of sitA in Shigella spp. and pathogenic E. coli strains

StrainNo. sitA positive/no. testeda
Shigella
    S. flexneri13/13
    S. dysenteriae5/5
    S. boydii6/6
    S. sonnei1/1
E. coli
    Enteroinvasive6/7
    Enteropathogenic0/13
    Enterohemorrhagic0/8
    Enterotoxigenic0/1
    K1 (meningitis)0/6
    K-120/2
  • a The presence of sitA was determined by PCR on cultures of each isolate.