TABLE 2.
Oxidative stress sensitivity of various C. jejuni strains and constructs as measured by disk diffusion assaya
| Strain | Mean diam (mm) of zone of inhibition |
||
|---|---|---|---|
| H2O2 | Cumene hydroperoxide | Paraquat dichloride | |
| 11168 | 22 | 32 | 11 |
| CMT | 23.5 | 32 | 10.5 |
| 11168 perRA338Del | 6 | 25.5 | 6 |
| CMT perRC143A | 6 | 25.5 | 6 |
| CMT perRC250A | 6 | 26 | 6 |
| CMT perRG319T | 6 | 25 | 6 |
| 11168ΔperR | 6 | NDb | ND |
| 11168ΔperRCperR11168 | 19.5 | ND | ND |
| 11168ΔperRCperRC143A | 6 | ND | ND |
| 11168ΔperRCperRC250A | 6 | ND | ND |
| 11168ΔperRCperRG319T | 6 | ND | ND |
| 11168ΔperRCperRA338Del | 6 | ND | ND |
| CMT perRC143ARV | 24 | ND | ND |
| CMT perRC250ARV | 24 | ND | ND |
| CMT perRG319TRV | 26 | ND | ND |
| 11168 perRA338DelRV | 23.5 | ND | ND |
| CMT perRC250ACT | 6 | ND | ND |
a
Data are means from triplicate plates. The diameter of the disk itself is 6 mm; therefore, 6 mm indicates no obvious inhibition.
b
ND, not determined.