TABLE 3.
Virulence of phase-locked-ON mutants following oral inoculation of C57BL/6J mice
| Strain | Flagellin(s)a | No. of dead mice/no. inoculatedb | Mean no. of days to death ± SD |
|---|---|---|---|
| SL3201 | FliC | 10/15 | 17 ± 6 |
| SL3201 ON | FljB | 4/15 | 17 ± 3 |
| SL3201 ON FljB− | NDc | 14/15 | 13 ± 3 |
| SL3201 ON FliC− | FljB | 3/15 | 12 ± 1 |
| SL3201 ON FljA− | FljB, FliC | 5/15 | 13 ± 3 |
| SL3201 ON FljA− FliC− | FljB | 4/15 | 12 ± 2 |
a
Flagellin type of organisms in the inoculum dose as assessed by PAGE.
b
Dose was approximately 5 × 108 CFU per mouse. Results are from three separate experiments.
c
ND, none detected.