Characteristics | Results |
---|---|
Morphological characteristics | |
Spore chains | Spiral |
Spore surface | Smooth |
Color of aerial mycelium | White series |
Physiological characteristics | |
Melanin production | Positive |
Action of milk | No coagulation in 14 days |
Nitrate reduction | Positive |
Gelatin liquefaction | Negative |
Starch hydrolysis | Positive |
Cell wall | ll-diaminopimelic acid |
Carbon utilization | |
No carbon | − |
d-glucose | + |
d-xylose | ± |
l-arabinose | − |
d-fructose | − |
Raffinose | − |
d-mannitol | + |
Meso-inositol | ± |
Salicin | ND |
Sucrose | ± |
Temperature tolerance (°C) | |
28–30 °C | Abundant |
40 °C | Weak |
50 °C | No growth |
Amino acids | |
dl-methionine | − |
dl-iso-leucine | + |
l-arginine | + |
l-lysine | − |
l-glutamic | − |
l-histidine | + |
Ph-alanine | + |
l-aspargine | + |
l-valine | + |
l-cysteine | + |
Glycine | ++ |
Prolene | + |
Ornithine | + |
Tyrosine | + |
dl-serine | + |
NaCl % resistance | |
0 | Gray, abundant |
3–5 | White, good |
7–10 | Light gray, weak |
13 | No growth |
Antibiotic susceptibility (mm) | |
Rifamycin (RD, 5 μg) | 14b |
Vancomycin (VA, 30 μg) | 40c |
Streptomycin (S, 10 μg) | 00a |
Neomycin (N, 30 μg) | 30c |
Tetracycline (TE, 5 μg) | 20c |
Nalidixic acid (NA, 30 μg) | 15b |
Novobiocin (NV, 30 μg) | 40c |
Cefodizime (CDZ 30 μg) | 00a |