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Tolerance to arsenic and arsenate reductase activity and the presence of arsenic metabolism genes.
| Strain | Temperature (°C) | pH | MIC for AsV (mM) | MIC for AsIII (mM) | Presence of genes coding for cytoplasmic and respiratory arsenate reductases | |||
|---|---|---|---|---|---|---|---|---|
| Range | Optimum | Range | Optimum | arsC | arrA | |||
| Shewanella sp. OM1 | 4–37 | 30 | 5–10 | 7 | 350 | 10 | + | + |
| Pseudomonas sp. OM2 | 4–37 | 30 | 5–9 | 5 | 250 | 14 | + | + |
| Aeromonas sp. OM4 | 4–37 | 37 | 5–8 | 5 | 350 | 16 | + | + |
| Serratia sp. OM17 | 4–37 | 30 | 4–10 | 4 | 400 | 12 | + | + |
