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. 2021 Aug 18;19:120. doi: 10.1186/s43141-021-00219-x

Table 6.

The morphological and biochemical characterization of bacterial isolates

Test PR1 PR2 PR3
Gram Stain + + +
Motility + +
Colony color Opaque and off-white Cream Yellow pigmented colonies
Cell shape Rod-shaped Rod-shaped Cocci
Spore forming +
Oxidase +
Catalase + + +
Amylase +
Gelatinase
Phosphatase + +
Tryptophane deaminase
Arginine dihydrolase
Lysine decarboxylase
Ornithine decarboxylase
Glutamate decarboxylase
Voges-Proskauer +
Nitrate reduction +
Hydrolysis of Casein + +
Hydrolysis of starch
Hydrolysis of urea +
Indole Production