TABLE 2.
Effects of hns and stpA mutations on expression of the proU-lacZ fusion in GM37 and its derivatives as assayed by β-glucosidase activity
| Strain | Relevant genotype | β-Galactosidase activitya |
|---|---|---|
| GM37 | Wild type | 8.57 (0.07) |
| CJD1124 | ΔstpA::Tcr | 10.6 (0.29) |
| CJD898 | hnrG::Apr | 6.87 (0.07) |
| GM230 | hns-205::Tn10 | 117 (2.83) |
| CJD899 | hns-205::Tn10 hnrG::Apr | 101 (0) |
| CJD1126 | hns-205::Tn10 ΔstpA::TcrhnrG::Apr | 457 (8.49) |
| CJD829 | hns2 | 355 (0.71) |
| CJD1125 | hns2 ΔstpA::Tcr | 409 (12.0) |
a
Assays were carried out in duplicate; mean values, in Miller units, are shown. Standard deviations are in parentheses.