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Bacterial strains used in this study
| Strain | Relevant characteristic(s) | Reference or source |
|---|---|---|
| 13 | Wild type | 13 |
| HN13 | galKT in-frame deletion mutant of strain 13 | 15 |
| NO16 | ctrAB operon null mutant of strain 13; Emr | 14 |
| NO23 | spo0A mutant of strain 13; Emr | This study |
| NO24 | abrB null mutant of strain 13; Emr | This study |
| NO25 | pilA2 in-frame deletion mutant of HN13 | This study |
| NO33 | ctrAB mutant of NO25; Emr | This study |
