Biochemical Test and Identification of Streptococcus agalactiae

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Basic Characteristics

Properties (Streptococcus agalactiae)

CAMP Positive (+ve)
Capsule Positive (+ve)
Catalase Negative (-ve)
Coagulase Negative (-ve)
Flagella Non-flagellated
Gram Staining Positive (+ve)
Hemolysis Beta Hemolysis
Motility Non-motile
OF (Oxidative-Fermentative) Facultative anaerobes
Oxidase Negative (-ve)
PYR Negative (-ve)
Shape Cocci
Spore Non-sporing
Urease Negative (-ve)
VP (Voges Proskauer) Variable
Fermentation of
Adonitol Negative (-ve)
Arabinose Negative (-ve)
Arabitol Negative (-ve)
Arbutin Negative (-ve)
Cellobiose Variable
Dulcitol Negative (-ve)
Erythritol Negative (-ve)
Fructose Positive (+ve)
Galactose Positive (+ve)
Glucose Positive (+ve)
Glycerol Positive (+ve)
Glycogen Negative (-ve)
Hippurate Positive (+ve)
Inulin Negative (-ve)
Lactose Variable
Maltose Positive (+ve)
Mannitol Negative (-ve)
Melibiose Negative (-ve)
Raffinose Negative (-ve)
Ribose Positive (+ve)
Salicin Variable
Sorbitol Negative (-ve)
Sucrose Positive (+ve)
Trehalose Positive (+ve)
Xylose Negative (-ve)
Enzymatic Reactions
Alkaline Phosphatase Positive (+ve)
Arginine Dehydrolase Positive (+ve)
Esculin Hydrolysis Negative (-ve)

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