Table 2 Morphological, physiological, and biochemical characteristics of isolate BA5
Test | Result |
|---|---|
Morphological properties | |
Colony morphologya | |
Shape/form | Round |
Size | Large |
Surface | Smooth |
Elevation | Unbondate |
Margin | Entire |
Opacity | Opaque |
Fluorescent | Positive |
Degree of growth | Profuse |
Cell morphology | |
Gram reaction | Gram (−) |
Shape | Rod |
Motility | Motile |
Physiological properties | |
Growth at temperature(°C) | |
4 | − |
25 | + |
37 | + |
42 | + |
50 | − |
Growth at osmotic pressure | |
NB + 0.5% NaClb | + |
NB + 1% NaCl | + |
NB + 3% NaCl | + |
NB + 5% NaCl | + |
NB + 7% NaCl | − |
Growth at pH | |
4 | − |
5 | + |
7 | + |
9 | + |
10 | + |
11 | − |
Growth in selective media | |
Endo agar | − |
MacConkey agar | + |
Mannitol salt agar | − |
Cetrimide agar | + |
Utilization of organic compounds as sole source of carbon and energy | |
Carbohydrates sugar derivatives | |
D(+)-Glucose | + |
D(−)-Fructose | + |
L(+)-Arabinose | − |
D-Xylose | − |
L(+)-Rhamnose | − |
D(+)-Mannose | − |
Sucrose | − |
Trehalose | + |
Maltose | − |
Gluctose | − |
Inulin | − |
Lactose | − |
Starch | − |
CMCc | − |
Polyalcohols and glycols | |
D(−)-Mannitol | + |
D-Sorbitol | − |
Meso-inositol | − |
Glycerol | + |
Organic acids | |
Potassium acetate | + |
Na-K tartrate | − |
Tri-sodium citrate | + |
Alcohols | |
Methanol | − |
Ethanol | + |
Iso-amyl alcohol | + |
Amino acids | |
Glycine | − |
L-Asparagine | + |
L-Tryptophan | − |
Miscellaneous | |
Phenol | − |
Tween 20 | + |
Biochemical properties | |
Oxidase | + |
Catalase | − |
Methyl red | − |
Voges-Proskauer | − |
Methylene blue | + |
Indole production | − |
Citrate utilization | + |
Urea hydrolysis | − |
Nitrate reduction | + |
H2S production | − |
Casein hydrolysis | + |
Starch hydrolysis | − |
Fermentation and acid production from | |
Glucose | + |
Fructose | − |
Xylose | + |
Sucrose | − |
Lactose | − |
Starch | − |
Mannitol | + |
Sorbitol | − |
Meso-inositol | − |
Glycerol | + |