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Table 3 Biochemical characterization of the bacterial isolates

From: Assessing the synergistic relationship of mycorrhiza and bacteria for the degradation of spent engine oil in maize grown soil

Isolate

Color/pigment

Gram reaction

Cellular morphology

Catalase test

Oxidase test

Indole test

Motility test

Mr-methyl/red

VP-Voges Proskueur

Citrate utilization

Urease activity

Starch hydrolysis

Gelatin hydrolysis

Casein hydrolysis

NO3 reduction

Spore test

Coagulase test

Sugar utilization

Glucose

Sucrose

Lactose

Xylose

Maltose

Manitol

Salicin

Sorbitol

Inositol

Galactose

Raffinose

P1

Cream

+ve

Rods

+

+

+

+

+

+

+

+

+

+

P2

Cream

−ve

Rods

+

+

+

+

+

+

+

+

+

+

+

+

P3

Cream

+ve

Rods

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

P4

Cream

−ve

Rods

+

+

+

+

+

+

+

+

+

+

+

+

P5

Cream

+ve

Rods

+

+

+

+

+

+

+

+

+

+

P6

Cream

+ve

Rods

+

+

+

+

+

+

+

+

P7

Cream

+ve

Rods

+

+

+

+

+

+

+

+

+

+

P8

Cream

+ve

Rods

+

+

+

+

+

+

+

+

+

+

+

+