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

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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 doing his Ph.D. at the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than ten years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK). Sagar is also the ASM Young Ambassador to Nepal for the American Society for Microbiology since 2023 onwards.

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