TABLE 2.
Anaerobic growth of A. ferrooxidans upon reduction of Fe3+ by H2a
| Strain | Mean cell density (107 cells/ml) ± SD
|
Mean iron concn (mM) ± SD
|
||||
|---|---|---|---|---|---|---|
| Initial | Final | Initial
|
Final
|
|||
| Total | Fe2+ | Total | Fe2+ | |||
| ATCC 23270 | 1.59 ± 0.15 | 2.32 ± 0.56 | 21.11 ± 0.11 | 1.22 ± 0.20 | 20.91 ± 0.13 | 0.87 ± 0.08 |
| JCM 3863 | 0.87 ± 0.42 | 2.53 ± 0.15 | 21.74 ± 0.29 | 1.06 ± 0.07 | 22.33 ± 0.10 | 0.89 ± 0.03 |
| JCM 3865 | 1.34 ± 0.05 | 8.95 ± 0.25 | 21.77 ± 0.14 | 1.80 ± 0.23 | 22.26 ± 0.06 | 4.99 ± 0.74 |
| JCM 7811 | 0.97 ± 0.19 | 49.51 ± 5.00 | 22.02 ± 0.24 | 1.73 ± 0.09 | 22.32 ± 0.10 | 22.32 ± 0.03 |
| IFO 14246 | 1.03 ± 0.19 | 26.00 ± 3.20 | 22.17 ± 0.17 | 2.26 ± 0.07 | 22.45 ± 0.26 | 22.47 ± 0.22 |
| IFO 14262 | 1.25 ± 0.08 | 21.81 ± 1.96 | 22.06 ± 0.09 | 1.23 ± 0.26 | 21.29 ± 0.11 | 21.03 ± 0.24 |
a
Initial and final indicate the cultivation times before and after 17 days of incubation, respectively. The values are expressed as an average of three cultures.