TABLE 1.
Bacterial strains used
| Strain | Description | Source or reference |
|---|---|---|
| MC4100 | araD139 Δ(argF-lac)U169 flb5301 deoC1 relA1 rbsR rpsL150 ptsF25 | Lab stock |
| LAA20 | MC4100 nagB::cm | 1 |
| LAA131 | LAA20 pXE(NagB-L1) | This work |
| LAA134 | LAA20 pXE(NagB-L2) | This work |
| LAA135 | LAA20 pXE(NagB-L3) | This work |
| LAA136 | LAA20 pXE(NagB-L4) | This work |
| LAA137 | MC4100 pXE1 | This work |
| LAA178 | LAA20 pXE/NagB F174A | This work |
| LAA43 | MC4100 nagB::cm nagC::tc | 1 |
| LAA44 | MC4100 nagB::cm nagA::tc | 1 |
| IBPC590 | ΔnagE-nagBACD::tc | 23 |
| IBPC1012 | JM101 mlc::tc | 22 |
| KD622 | MC4100 φ(malK-lacZ)1113 (λplacMu50) mlc::Tn10 kan | 8 |
| MC-B1 | MC4100 λRS nagB-lacZ | 17 |
| MC-B196/7 | MC-B1 nagK murQ anmK nagZ ampG nagE | This work |