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| β-Galactosidase activity, Miller units
|
|||
|---|---|---|---|
| pJFi* in strains: | —IPTG | +IPTG | Ratio |
| LCB620† | 250 | 35 | 7.1 |
| LCB726 | 655 | 94 | 7.0 |
| LCB620/pBtorR‡ | 248 | 28 | 8.9 |
Expression of torI is under the control of an IPTG-inducible promoter (ptac)
Expression of the torA—lacZ fusion was measured in the presence of TMAO
torR expression was induced with arabinose
