Table 1.

Strains used in the study.

Strain	Type	Description	GFP plasmid	Source	Reference
EDL933	Shiga toxin-producing E. coli O157:H7	Meat isolate implicated in an outbreak of hemorrhagic colitis	pMAN01	Dr. T Shimizu	Riley et al., 1983
ATCC29213	S. aureus subsp. aureus Rosenbach	Wound isolate	pS1-GFP	Dr. O Krut	Schnaith et al., 2007
UTI89	Uropathogenic E. coli O18:K1:H7	Cystitis isolate	pMAN01	Prof. DJ Klumpp	Mulvey et al., 2001
UTI89ΔfimH	UTI89 deleted in the fimH gene	–	pMAN01	Own construct	Andersen et al., 2012