Table 1.
Bacteriological parameters | Results |
---|---|
Gram's stain | Plenty of pus cells and presence of Gram-negative rods |
Bacterial growth on MA, BA, and CA | Round, smooth, convex, butyrous, medium size, dark violet colonies, nonlactose fermenting, nonhemolytic, notable production of nondiffusible, dark violet metallic pigment (violacein) in MHA |
Triple sugar iron (TSI) agar | |
Acid production in slant | Negative |
Acid production in butt | Positive |
Hydrogen sulphide production | Negative |
Gas production | Negative |
Glucose fermentation | Positive |
Lactose and/or sucrose fermentation | Negative |
Alkali production in slant | Positive |
Sulphide indole motility (SIM) | |
Motility | Positive |
Hydrogen sulphide production | Negative |
Indole production | Negative |
Urea hydrolysis test | Negative |
Citrate utilization test | Negative |
Catalase test | Positive |
Oxidase test | Positive |
Methyl red test | Negative |
Voges-Proskauer test | Negative |