Table 2. Differential phenotypic characteristics between strain IIH2T and related species
From: Non-contiguous finished genome sequence and description of Halopiger djelfamassiliensis sp. nov.
Characteristic | H. djelfamassiliensis | H. xanaduensis | H. aswanensis | H. salifodinae |
|---|---|---|---|---|
Cell morphology | pleomorphic | pleomorphic | pleomorphic | pleomorphic rods |
Cell diameter (µm) | 0.9-2.2 | 0.5-1.0×3.0-13.0 | 1.25-6.50×0.6-0.9 | ND |
Pigmentation | cream | red | pink | cream |
Oxygen requirement | strictly aerobic | strictly aerobic | strictly aerobic | strictly aerobic |
Gram strain | negative | negative | negative | negative |
NaCl range (%, w/v) | 15–30 | 15–30 | 10–30 | 11–31 |
NaCl optimum (%, w/v) | 25 | 25 | 22.5–25 | 17–20 |
Temperature range (°C) | 37–55 | 28–45 | 40–50 | 25–50 |
Temperature optimum (°C) | 40 | 37 | 40 | 37–45 |
pH range | 7–11 | 6–11 | 6–9.2 | 6–8 |
pH optimum | 8 | 7.5–8 | 7.5 | 7.0 |
Motility | non-motile | non-motile | motile | non-motile |
Catalase | + | + | + | + |
Hydrolysis of | ||||
Starch | − | − | + | − |
Tween 80 | + | + | + | − |
Casein | + | − | − | ND |
Gelatin | + | + | − | − |
Lipids from egg yolk | + | ND | − | ND |
Utilization of | ||||
D-Glucose | + | + | + | + |
Galactose | − | ND | − | |
D-Xylose | + | + | + | − |
Lactose | − | − | − | − |
Fructose | − | − | + | − |
Starch | − | − | + | + |
Mannose | + | − | ND | + |
D-Ribose | + | − | ND | − |
Sucrose | + | − | + | ND |
Rhamnose | + | ND | ND | − |
Mannitol | − | − | ND | ND |
Citrate | + | − | ND | − |
L-Arginine | − | − | − | − |
Indole production | − | − | + | − |
Urease | − | + | − | − |
H2S production | − | − | + | + |