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β-Galactosidase activities in wild-type or global anaerobic regulator mutant E. coli strains containing hynS-lacZ fusions
| Strain | Genotype | β-Galactosidase activity (Miller units)a
|
|
|---|---|---|---|
| Without O2 | With O2 | ||
| M182 | Wild type | 41.2 ± 9.1 | 3.4 ± 0.9 |
| M182fnr | fnr | 3.3 ± 1.1 | 2.6 ± 0.6 |
| MC4100 | Wild type | 51.1 ± 1.2 | 4.7 ± 1.2 |
| RM313 | arcA | 55.4 ± 0.8 | 5.3 ± 2.4 |
| RM315 | fnr arcA | 11.5 ± 2.5 | 7.2 ± 1.8 |
The values are means ± standard deviations.
