TABLE 1.
E. coli strains used in this study
Group | Strain | Serotype | eae gene | stx genotype | Source | Reference(s) |
---|---|---|---|---|---|---|
A | 86-24 | O157:H7 | + | stx2 | P. Tarr | 8, 28 |
B | E32511/HSC/L | O157:H− | + | stx2c | 17 | |
C | 3024-94 | O104:H21 | − | stx2d-activatable | CDCa | 4 |
D | B2F1 | O91:H21 | stx2d1-activatable | M. Karmali | 18 | |
stx2d2-activatable | 30 | |||||
E | B2F1 (plasmid cured) | O91:H21 | − | stx2d1-activatable | A. D. O'Brien | 40 |
stx2d2-activatable | ||||||
F | B2F1 Stx2d2-activatable+ | O91:H21 | − | stx2d1-activatable::cat | A. D. O'Brien | 43 |
stx2d2-activatable | ||||||
G | B2F1 Stx2d1-activatable+ | O91:H21 | − | stx2d1-activatable | A. D. O'Brien | 43 |
stx2d2-activatable::cat | ||||||
H | 123 (control) | O43:H28 | − | NAb | 7, 32 |
CDC, Centers for Disease Control and Prevention.
NA, not applicable.