TABLE 1.
Amount and chemical composition of EPS from 1010 cells of T. ferrooxidansa
| Substrate | Mean EPS ± SD (μg/ 1010 cells) | % (wt/wt) of total EPS
|
||||
|---|---|---|---|---|---|---|
| Sugars | Lipids | FFA | Nitrogen | Phosphorus | ||
| Iron(II) sulfate | 215 ± 30 | 52.2 | 36.9 | 5.5 | 0.5 | 0.7 |
| Pyrite | 2,760 ± 301 | 48.5 | 39.4 | 5.8 | 0.5 | 0.8 |
| Sulfur | 1,155 ± 94 | 40.9 | 53.8 | 8.0 | 0.6 | 2.8 |
a
T. ferrooxidans cells were grown with iron(II) sulfate, pyrite, or sulfur. Experiments were carried out in triplicate. Results are given as arithmetic mean values. Except where otherwise stated, SD amount to 4%.