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
E. coli
S. enterica
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.