TABLE 4.
Influence of resDE, fnr, and arfM on transcription of the fermentative loci lctEP, alsSD, and plaa
| Fusion | Strain (relevant genotype) | β-Galactosidase activity (U/mg of protein)
|
|||
|---|---|---|---|---|---|
| Aerobic | Anaerobic
|
||||
| Fermentative | With nitrate | With nitrite | |||
| lctE-lacZ | BSIP1185 (wild type) | <10 | 10,121 | 1,523 | 8,744 |
| MMB67 (fnr) | <10 | 3,125 | 2,560 | 2,746 | |
| MMB74 (resDE) | <10 | 1,505 | 1,233 | 1,304 | |
| MMB15 (arfM) | <10 | 3,237 | 782 | 2,536 | |
| MMB46 (arfM fnr) | <10 | 2,924 | 1,828 | 2,127 | |
| MMB47 (arfM resDE) | <10 | 275 | 314 | 199 | |
| alsS-lacZ | BSIP1192 (wild type) | <10 | 5,715 | 1,705 | 5,824 |
| MMB68 (fnr) | <10 | 2,513 | 2,127 | 1,827 | |
| MMB75 (resDE) | <10 | 3,798 | 3,501 | 2,117 | |
| MMB14 (arfM) | <10 | 2,525 | 759 | 1,714 | |
| MMB50 (arfM resDE) | <10 | 1,874 | 1,253 | 1,752 | |
| pta-lacZ | BSIP1104 (wild type) | 1,051 | 874 | 1,116 | 1,081 |
| MMB38 (arfM) | 993 | 1,215 | 1,189 | 1,076 | |
a
See Table 3, footnote a.