TABLE 2.

Intestinal pathogenic E. coli (IPEC)-associated virulence genes targeted for PCR-based detection.

Escherichia coli group	Gene target	References
Enteropathogenic E. coli(EPEC)	bfpA, eae	56, 93, 94
atypical EPEC (aEPEC)	eae	56
Enterotoxigenic E. coli (ETEC),heat stable (ST) producer	ST gene	56, 93, 94, 96, 97, 98
ETEC, heat labile (LT) producer	LT gene	56, 93, 94, 96, 97, 98
Enteroinvasive E. coli (EIEC)	ipaC, ipaH	56, 93, 94, 99
Shigatoxin-producing E. coli(STEC)	stx1, stx2	56
Enterohemorrhagic E. coli(EHEC)	stx1, stx2, eae,	56
Enteroaggregative E. coli(EAEC)	aatA	56
Enteroaggregative-EnterohemorrhagicE. coli (EAEC-EHEC)	aatA, eae, stx2	56, 92