TABLE 1.

Strains used in this study

Organism and strainGenotype/descriptionReference or source
EPEC
    E2348/69Prototype EPEC O126:H6 strain16
    ILS002E2368/69 ΔespA23
    ILS003E2348/69 ΔescCThis study
    ILS004E2348/69 ΔescDThis study
    ILS005E2348/69 ΔescJThis study
E. coli
    BL21(DE3)F ompT hsdSB gal dcm (DE3)Invitrogen
    Sm10λpirPermissive strain for replication of pCVD44211
    DH5αhsdR17 deoR thi-1 phoA supE44 λInvitrogen