TABLE 1.
Strain | Growth of strain on:
|
|||
---|---|---|---|---|
MM | MM + NA | MM + IPTG | MM + NA + IPTG | |
PB1934 (ΩpncB::pMUTIN4) | +− | − | ++ | + |
PB1935 (ΩpncB::pMUTIN4, ΔyrxA) | ++ | ++ | ++ | ++ |
BFS2652 (ynaB::pMUTIN4) | ++ | + | ND | ND |
The same results were obtained using 50 or 0.5 μg/ml of NA. ++, colonies appear after 24 h at 37°C; +, colonies appear after 48 h at 37°C; +−, very small colonies appear after 48 h; ND, not determined.