Table 2 Colonial, morphological and biochemical characteristics of various bacterial isolated from cultured and natural habitats
Probable organism | Edge | Colour | Elevation | Shape and arrangement | Gram stain | Coagulase | Catalase | Starch hydrolysis | Sugar fermentation | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Glucose | Lactose | Maltose | Sucrose | Galactose | |||||||||
Staphylococcus aureus | Irregular | Yellow | Raised | Cocci in cluster | + | + | + | + | − | + | + | + | + |
Pseudomonas Aeruginosa | Irregular | Blue green | Raised | Rod | − | − | + | + | + | − | − | − | − |
Staphylococcus epidermis | Entire | Cream | Raised | Cocci | + | − | + | − | + | + | + | + | + |
Streptococcus spp. | Irregular | Red | Raised | Cocci in short chains | + | + | − | − | + | + | + | − | − |
Escherichia coli | Undulated | Greyish white | Flat | Rod in singles | − | − | + | − | + | + | − | − | − |
Micrococcus luteus | Irregular | Yellow | Raised | Cocci | + | + | − | + | + | − | − | + | + |
Bacillus subtilis | Entire | Cream | Slightly raised | Rod in chains | + | + | + | + | + | + | − | + | + |