TABLE 7.
Results for uncontrolled batch cultures of the wild-type F4430/73 and the derivative fnr mutant transformed with the pHT304aph3-fnr recombinant vectora
| Strain | Final OD560 under indicated growth conditions
|
|
|---|---|---|
| Aerobic | Anaerobic | |
| WT | 0.60 ± 0.02 | 0.32 ± 0.01 |
| WT(pHT304aph3) | 0.57 ± 0.02 | 0.30 ± 0.02 |
| WT(pHT304aph3-fnr) | 0.60 ± 0.02 | 0.36 ± 0.01 |
| fnr | 0.55 ± 0.03 | NG |
| fnr(pHT304aph3) | 0.45 ± 0.01 | NG |
| fnr(pHT304aph3-fnr) | 0.45 ± 0.01 | 0.28 ± 0.02 |
a
Cells were grown as described in Material and Methods. Values are the means ± standard deviations of results for triplicate cultures. WT, wild type; fnr, fnr mutant; OD560, optical density at 560 nm; NG, no growth.