Table 2 Phenotypic characteristics of the two selected strains and the reference strain H. organivorans (data obtained from García et al. 2004)
D227 | D228 | H. organivorans | |
|---|---|---|---|
Morphological characteristics | |||
Shape | Rod | Rod | Rod |
Size (μm) | 0.5–0.7 × 1.1–3.0 | 0.5–0.8 × 1.0–2.8 | 1.0–1.2 × 2.0–3.0 |
Gram staining | − | − | − |
Mobility | + | + | + |
Spore formation | − | − | − |
Growth conditions | |||
Optimum NaCl (%, w/v) | 5–6 | 5–6 | 7.5–10 |
Optimum temperature (°C) | 30–35 | 30–35 | 37 |
Optimum pH | 6–7 | 6–7 | 7.0 |
Aerobic conditions | + | + | + |
Biochemical characteristics | |||
Catalase | + | + | + |
Ornithine decarboxylase | − | − | − |
Arginine dihydrolase | − | − | NR |
Lysine decarboxylase | − | − | NR |
Urease | − | − | NR |
l-Arabitol | − | − | NR |
Galacturonate | − | − | + |
5-Ketogluconate | + | + | NR |
Lipase | − | − | NR |
Phenol red | − | − | NR |
Βeta-glucosidase | + | + | NR |
d-Mannitol | + | + | + |
d-Maltose | + | + | − |
Adonitol | + | + | − |
Palatinose | + | + | NR |
Beta-glucuronidase | − | − | NR |
Manonate | − | − | NR |
Indole formation | + | + | − |
N-Acetyl-beta-glucosaminidase | − | − | NR |
Beta-galactosidase | + | + | NR |
d-Glucose | + | + | + |
Sucrose | + | + | + |
l-Arabinose | + | + | − |
d-Arabitol | + | + | + |
Alpha-glucosidase | + | + | NR |