Table 2.
Strain | Plasmid | Relevant genotype | β-Galactosidase activity (U/mg protein)a |
---|---|---|---|
GP61 | pGP446 | ΔlicT, licTopt-lacZ, sacT-CAT | 20 |
GP61 | pGP447 | ΔlicT, licTopt-lacZ, licT-CAT | 828 |
GP538 | pGP446 | ΔsacT, sacPR -lacZ, sacT-CAT | 265 |
GP538 | pGP447 | ΔsacT, sacPR -lacZ, licT-CAT | 2 |
aRepresentative values of lacZ expression.
All measurements were performed at least twice.