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Results of disk diffusion assays with H. influenzae strains
| Strain | Zone of inhibition (mm) (mean± SD)
|
|
|---|---|---|
| Novobiocin | Polymyxin B | |
| Parent | 19.5 ± 0.5 | 16.0 ± 0.6 |
| P6 mutant | 25.0 ± 0.6a | 20.0 ± 0.6a |
| Complemented mutant | 20.0 ± 0.6b | 17.8 ± 0.8c |
P < 0.0001 (P6 mutant versus parent strain).
P = 0.22 (complemented mutant versus parent strain).
P = 0.002 (complemented mutant versus parent strain).
