Biochemical Test of Bacillus anthracis

Last Updated on February 4, 2021 by Sagar Aryal

Biochemical Test of Bacillus anthracis

­Basic Characteristics Properties (Bacillus anthracis)
Capsule Capsulated
Catalase Positive (+ve)
Gas Negative (-ve)
Gelatin Hydrolysis Positive (+ve)
Gram Staining Positive (+ve)
Hemolysis Negative (-ve)
Indole Positive (+ve)
Motility Negative (-ve)
Nitrate Reduction Positive (+ve)
Oxidase Negative (-ve)
Pigment Negative (-ve)
Shape Rods
Spore Positive (+ve)
Urease Negative (-ve)
VP (Voges Proskauer) Positive (+ve)

Fermentation of

Adonitol Negative (-ve)
Arabinose Negative (-ve)
Arabitol Negative (-ve)
Cellobiose Negative (-ve)
Dulcitol Negative (-ve)
Erythritol Negative (-ve)
Fructose Variable
Galactose Negative (-ve)
Glucose Positive (+ve)
Glycerol Negative (-ve)
Glycogen Positive (+ve)
Inositol Negative (-ve)
Inulin Negative (-ve)
Lactose Negative (-ve)
Maltose Positive (+ve)
Mannitol Negative (-ve)
Mannose Negative (-ve)
Melibiose Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Ribose Positive (+ve)
Salicin Negative (-ve)
Sorbitol Negative (-ve)
Starch Positive (+ve)
Sucrose Positive (+ve)
Trehalose Positive (+ve)
Xylose Negative (-ve)

Enzymatic Reactions

Arginine Dehydrolase Positive (+ve)
Casein Hydrolysis Positive (+ve)
Esculin Hydrolysis Positive (+ve)
Lecithinase Variable
Lysine Negative (-ve)
Ornithine Decarboxylase Negative (-ve)
Phenylalanine Deaminase Negative (-ve)
Tyrosine Hydrolysis Negative (-ve)


Figure: Bacillus anthracis Gram Stain; Source: Wikipedia

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