Research Article

Poly β-Hydroxybutyrate Production by Bacillus subtilis NG220 Using Sugar Industry Waste Water

Table 3

Morphological and biochemical characteristics of isolate NG220.

Observation

Morphological characters
 Elevation Umbonate
 Edge Entire with undulate
 Internal character Rough
 Colour Creamy off-white
Biochemical characters
 Gram reactionGram +ve rod
 Glucose fermentation+ve
 Sucrose fermentation+ve
 Lactose fermentation −ve
 H2S production−ve (no gas observed)
 MR test+ve
 VP test−ve
 Catalase test+ve