Table 3.

Expression of BFP-related phenotypes by EPEC strains

bfpA alleleStrainSerotypeBundlinaBFPbLAcAutoaggregationd
α1BetaO55:H6+NDe ++
α1E990O86:NM++++
α1E2348/69O127:H6++++
α1HSP19/4O86:H++ND++
α2009-271082O111:NM
α22309-77O111ab:H2
α2DIF043256O111:H2+ND++
α2Stoke WO111ab:NM+ND++
α2RN191/1O111:H++ND++
α310O119:H++ND++
α30659-79O119:H6+ND++
α3010-311082O128:H+++++
α3RN410/1O119:H++ND++
β1012-050982O142:H+++++
β2Z188-93O110:H6+ND++
β3CA89-4221NTf:H+++++
β4E56/54O128ab:H2+
β5C771O142:H6+
β5E851/71O142:H6++++
β5MA551/1O55:NM+ND++
  • a Antigenic detection of bundlin protein by immunoblotting. +, presence of bundlin; −, absence of bundlin.

  • b Visual detection of BFP by electron microscopy. +, pili present; −, pili absent.

  • c LA of EPEC to cultured epithelial cells. +, presence of LA; −, absence of LA.

  • d Autoaggregation of EPEC in tissue culture medium. +, presence of autoaggregation; −, absence of autoaggregation.

  • e ND, not determined.

  • f NT, nontypeable.