Table 1 Morphological, physiological, and biochemical characteristics of the B. velezensis SK
Microscopic examination | |
|---|---|
Gram’s Nature | Gram-Positive |
Morphology | Rods |
Arrangements | Chains |
Motility | Actively motile |
Colony characteristics | |
Size | 2–4 mm |
Shape | Circular |
Surface | Rough |
Margin | Irregular |
Elevation | Raised |
Colour | White |
Opacity | Opaque |
Biochemical Characterization | |
Indol | − Ve |
Methyl red | − Ve |
Voges-Proskauer | Delayed positive |
Citrate utilization | − Ve |
Catalase | + Ve |
Glucoronidase | − Ve |
Nitrate reduction | + Ve |
ONPG | − Ve |
Sugar fermentation | |
Glucose | + Ve |
Sucrose | + Ve |
Fructose | + Ve |
Mannitol | + Ve |
Galactose | + Ve |
Lactose | − Ve |
Xylose | − Ve |
Starch hydrolysis | + Ve |
Gelatine hydrolysis | + Ve |
NaCl tolerance | < 8% |