TABLE 1.
Bacterial strains used in this study
| Strain | Relevant genotype | Relevant characteristics | Source or reference |
|---|---|---|---|
| CB190 | Wild type | ATCC 29213 parent strain for isogenic strain panel | ATCC |
| CB370 | rpoBH481Y | Spontaneous rifampin-resistant variant of CB190 | This work |
| CB808 | parCS80F | Spontaneous ciprofloxacin-resistant variant of CB190 | This work |
| CB809 | rpoBH481YparCS80F | Spontaneous ciprofloxacin-resistant variant of CB370 | This work |
| CB811 | gyrAS84L | Spontaneous nadifloxacin-resistant variant of CB190 | This work |
| CB812 | rpoBH481YgyrAS84L | Spontaneous nadifloxacin-resistant variant of CB370 | This work |
| CB814 | parCS80FgyrAS84L | Spontaneous higher-level ciprofloxacin-resistant variant of CB808 | This work |
| CB815 | rpoBH481YparCS80FgyrAS84L | Spontaneous higher-level ciprofloxacin-resistant variant of CB809 | This work |
| CB1244 | Wild type | RN4220 parent strain: rsbU agr, restriction negative, methylation plus laboratory strain | I. Chopra |
| CB1522 | rpoBH481Y | Spontaneous rifampin-resistant variant of CB1244 | This work |