TABLE 3.
Growth capacity of the E. chrysanthemi ferritin-deficient mutants compared to the wild-type strain in Tris medium with different iron avalaibilitiesa
| Mutant | Ratio of final cell density of mutant/final cell density of wild type ± SD
|
|||
|---|---|---|---|---|
| Tris medium | + Fe | + EDDHA | + Dipyridyl | |
| ftnA | 0.74 ± 0.03 | 0.80 ± 0.03 | 0.69 ± 0.03 | 0.63 ± 0.03 |
| bfr | 1 | 1 | 1 | 1 |
| bfr ftnA | 0.90 ± 0.02 | 0.91 ± 0.02 | 0.88 ± 0.03 | 0.87 ± 0.03 |
a
Ratios of the final cellular density of the mutants to that of the wild-type strain are given. Three experiments were performed, and standard deviations are shown.