Table 2.
Characteristics and substrate range of A. anaerophilus IR-1 and the closest related species A. anaerophilus JC83T.
| Characteristic | A. anaerophilus IR-1 | A. anaerophilus JC83T |
|---|---|---|
| Cell size | 1.5–2 μm long, 0.4–0.5 μm wide | 1–2 μm long, 0.1–0.3μm widea |
| Motility | + | + |
| DNA G + C content | 30.2% mol | 24.6% mola |
| Genome size | 3.26 Mbp | ND |
| Substrate utilization | ||
| Acetate | + | + |
| Caproate | - | - |
| Cellobiose | - | - |
| Citrate | - | - |
| D-Fructose | - | - |
| D-Galactose | - | - |
| D-Glucose | - | - |
| DL-Lactate | + | - |
| Elemental sulfur | +b | +b |
| Ferrous (Fe2+) iron | - | - |
| Formate | - | - |
| H2 | + | + |
| H2S | + | + |
| L-Arabinose | - | - |
| Peptone | + | + |
| Pyruvate | + | + |
| Sucrose | - | - |
| Thiosulfate | +b | +b |
| Tryptone | + | + |
| Yeast extract | + | + |
| Electron acceptors | ||
| Nitrate | + | + |
| Elemental sulfurc | + | + |
| Sulfate | - | - |
| Thiosulfate | - | - |
| Ferric (Fe3+) citrate | + | + |
| 3% O2 | + | + |
| 5% O2 | + | + |
| 10% O2 | + | + |
| Air | - | - |
| Enzymatic reactions | ||
| Urease | + | + |
| Indoxyl acetate hydrolysis | - | + |
| Oxidase | + | + |
| Catalase | - | - |
a(Sasi Jyothsna et al., 2013).
bCulture supplied with organic carbon source.
cSulfide in the medium might have formed polysulfide from sulfur.