TABLE 3.
Effects of mutations in the regulatory region of gntT
| E. coli strain | β-Galactosidase activity (U) with indicated carbon source(s)
|
|||
|---|---|---|---|---|
| None | Gluconate | Glucose | Gluconate + glucose | |
| NP100 (wild type) | 10 | 510 | 0 | 280 |
| NP102 | 780 | 520 | 100 | 320 |
| NP103 | 280 | 490 | 60 | 260 |
| NP104 | 840 | 490 | 100 | 330 |
| NP105 | 920 | 500 | 90 | 310 |
| NP106 | 110 | 610 | 40 | 300 |
| PN206 | 1,320 | 560 | 190 | 190 |
| PN211 | 60 | 80 | 40 | 40 |
| PN208 | 1,260 | 460 | 170 | 210 |
| PN212 | 1,180 | 480 | 160 | 190 |
| PN220 | 0 | 130 | 60 | 60 |
| PN221 | 0 | 110 | 50 | 70 |
| PN1256 | 1,460 | 640 | 190 | 280 |
| PN400 | 0 | 590 | 0 | 290 |
| PN401 | 10 | 10 | 0 | 0 |
| PN404 | 0 | 140 | 40 | 60 |