TABLE 3.
Growth of E. coli AB2847 transformants on NB medium containing dipyridyl
| Strain and solution (mM) | Growtha with IPTG at (mM):
|
|||
|---|---|---|---|---|
| 0 | 0.01 | 0.1 | 1 | |
| AB2847(pMALp2) | ||||
| FC (1) | 25 | ND | ND | 25 |
| Cit (100) | 28 | ND | ND | 27 |
| Cit (10) | 19 | ND | ND | 18 |
| AB2847(pMFT) | ||||
| FC (1) | 6 | 6 | 6 | 6 |
| Cit (100) | 28 | 25 | 6 | 6 |
| Cit (10) | 17 | 16 | 6 | 6 |
| AB2847(pMFT137) | ||||
| FC (1) | 27 | 25 | 6 | 6 |
| Cit (100) | 28 | 26 | 26 | 25 |
| Cit (10) | 18 | 16 | 17 | 16 |
| AB2847(pMFTLP) | ||||
| FC (1) | 22 | 6 | 6 | 6 |
| Cit (100) | 28 | 25 | 20 | 6 |
| Cit (10) | 18 | 15 | 14 | 6 |
a
Growth was measured as the diameter in millimeters of the growth zone around 6-mm filter disks which had been saturated with 10 ml of the indicated solution of ferrichrome (FC) or sodium citrate (Cit). A value of “6” indicates there was no visible growth. ND, not determined.