Biochemical Test of Vibrio cholerae

Biochemical Test of Vibrio cholerae

Image Source: Belén García,

­Basic Characteristics Properties (Vibrio cholerae)
Capsule Non-Capsulated
Citrate +ve
Flagella Flagellated
Gas -ve
Gelatin Hydrolysis +ve
Gram Staining -ve
H2S -ve
Hemolysis Beta Hemolysis
Indole +ve
Motility Motile
MR (Methyl Red) -ve
Nitrate Reduction +ve
Oxidase +ve
Shape Rods
Spore Non-Sporing
String Test +ve
Urease -ve
VP (Voges Proskauer) Variable

Fermentation of

Adonitol -ve
Arabinose -ve
Arabitol -ve
Cellobiose -ve
DNase +ve
Dulcitol -ve
Erythritol -ve
Galactose +ve
Glucose +ve
Glycerol -ve
Inositol -ve
Lactose Variable
Maltose +ve
Mannitol +ve
Mannose +ve
Melibiose -ve
Mucate -ve
MyoInositol -ve
Raffinose -ve
Rhamnose -ve
Salicin -ve
Sorbitol -ve
Sucrose +ve
Tartrate +ve
Trehalose +ve
Xylose -ve

Enzymatic Reactions

Acetate Utilization +ve
Arbutin -ve
Arginine Dehydrolase -ve
Esculin Hydrolysis -ve
Lipase +ve
Lysine +ve
ONPG (β-galactosidase) +ve
Ornithine Decarboxylase +ve
Phenylalanine Deaminase -ve
Tyrosine Hydrolysis -ve

Vibrio cholerae

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is currently doing his Ph.D. from the Central Department of Microbiology, Tribhuvan University in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He did his M.Sc. in Microbiology and B.Sc. in Microbiology from St. Xavier’s College, Kathmandu, Nepal. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from March 2017 to June 2019. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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