Research Article

Biodegradation of Sewage Wastewater Using Autochthonous Bacteria

Table 4

Biochemical test of identified strains.

TestsBacillus pumilusBrevibacterium sp.Pseudomonas aeruginosa

Growth on MacConkey agar+
Indole test
Methyl red test
Voges Proskauer test
Citrate utilization+
Casein hydrolysis+
Gelatin hydrolysis
Starch hydrolysis+
Urea hydrolysis
Nitrate reduction
H2S production
Catalase test+++
Oxidase test++

Acid production from carbohydrates
Salicin
Arabinose+
Galactose+
Dextrose++
Meso-Inositol
Raffinose
Rhamnose+
Fructose++
Mannitol+
Sucrose+
Xylose+