Table 1.

Presence of fyuA and irp2 genes in different pathogenic species of Enterobacteriaceae isolated from humans

Species and pathotype or serotypeTotal no.No. with:a
irp2fyuA
E. coli
 EAEC605655
 EIEC1532
 ETEC2011
 EPEC2011
 EHEC2000
S. enterica
 Enteritidis1000
 Typhimurium1000
 Typhi400
Shigella flexneri 300
Shigella boydii 300
Shigella sonnei 500
Shigella dysenteriae 300
E. coli from blood cultures605048
E. coli from stool samples (healthy individuals)2587
  • a The presence of the fyuA andirp2 genes was determined by PCR with appropriate primers and confirmed by DNA hybridization.