Table 7.
Morphological, physiological and biochemical characteristics of strains CME34 and EX51.
| Characteristic | CME34 | EX51 |
|---|---|---|
| Morphological characteristics Spore chain | Straight | Straight |
| Spore mass | Light gray | Light gray |
| Aerial mycelium colour | White | White |
| Substrate mycelium colour | Light yellow | Light yellow |
| Physiological characteristics | ||
| Production of melanoid pigment | - | - |
| Range of temperature for growth | 25°C to 30°C | 15°C to 30°C |
| Optimum temperature | 30°C | 30°C |
| Range of pH for growth | 6 to 11 | 6 to 10 |
| Optimum pH | 7 | 7 |
| NaCl tolerance | 0.5 to 2% (w/v) | 0.5 to 1% (w/v) |
| Biochemical characteristics | ||
| Gram staining | Gram-positive | Gram-positive |
| Melanin on tyrosine agar | - | - |
| Triple iron agar | K/A | K/A |
| Indole test | + | + |
| MR test | - | - |
| VP test | - | - |
| Citrate utilization | - | - |
| Cell wall amino acids | LL-DAP | LL-DAP |
| Starch hydrolysis | + | + |
| Casein hydrolysis | + | + |
| Gelatin hydrolysis | + | + |
| Lipid hydrolysis | + | + |
| Urea hydrolysis | - | - |
| Catalase | + | + |
| Oxidase | - | - |
| Nitrate reduction | + | - |
| H2S production | - | - |
| Utilization of carbon sources | ||
| D-Glucose | + | + |
| L-Arabinose | + | + |
| Sucrose | + | + |
| D-Xylose | + | + |
| myo-Inositol | - | + |
| D-Mannitol | + | + |
| D-Fructose | + | + |
| Rhamnose | + | + |
| Raffinose | + | + |
| Cellulose | + | + |