TABLE 1.

Bacterial strains used^a

Strain	Serotype	Description	MIC (mg/liter) in LB broth			Reference(s) or source (reference)
			Ciprofloxacin	Minocycline	Rifampin
Pathogenic E. coli strains
B171-8	O111:NM	Classic human EPEC	0.012	2.0 (in MM)	2-3	15, 60
E22	O103:H2	Rabbit EPEC	0.064	0.19–0.38	3	61
Laboratory E. coli strain	DH5α-(pGFP)	Created by electroporation of DH5α with plasmid pGFP-uv and selection for ampicillin resistance				pGFP-uv plasmid purchased from Clontech, now TaKaRa Bio (62)

^aLB, Luria-Bertani; MM, minimal medium. Rifampin is also known as rifampicin.