Biochemical Test of Salmonella Typhi

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Biochemical Test of Salmonella Typhi

Characteristics Salmonella Typhi
Capsule Negative (-ve)
Catalase Positive (+ve)
Citrate Negative (-ve)
Flagella Positive (+ve)
Gas Negative (-ve)
Gelatin Hydrolysis Negative (-ve)
Gram Staining Negative (-ve)
Growth in KCN Negative (-ve)
H2S Positive (+ve)
Indole Negative (-ve)
Motility Positive (+ve)
MR (Methyl Red) Positive (+ve)
MUG Test Negative (-ve)
Nitrate Reduction Positive (+ve)
Oxidase Negative (-ve)
Pigment Negative (-ve)
Shape Rod
Spore Negative (-ve)
TSIA (Triple Sugar Iron Agar) Alkali/Acid
Urease Negative (-ve)
VP (Voges Proskauer) Negative (-ve)

Fermentation of
Adonitol Negative (-ve)
Arabinose Negative (-ve)
Arabitol Negative (-ve)
Cellobiose Negative (-ve)
DNase Negative (-ve)
Dulcitol Negative (-ve)
Erythritol Negative (-ve)
Esculin Hydrolysis Negative (-ve)
Glucose Positive (+ve)
Glycerol Negative (-ve)
Inositol Negative (-ve)
Lactose Negative (-ve)
Malonate Negative (-ve)
Maltose Positive (+ve)
Mannitol Positive (+ve)
Mannose Positive (+ve)
Melibiose Positive (+ve)
Mucate Negative (-ve)
MyoInositol Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Salicin Negative (-ve)
Sorbitol Positive (+ve)
Sucrose Negative (-ve)
Tartrate Positive (+ve)
Trehalose Positive (+ve)
Xylose Positive (+ve)

Enzymatic Reactions
Acetate Utilization Negative (-ve)
Arginine Dehydrolase Negative (-ve)
Esculin Hydrolysis Negative (-ve)
Lipase Negative (-ve)
Lysine Positive (+ve)
ONPG (β-galactosidase) Negative (-ve)
Ornithine Decarboxylase Negative (-ve)
Peroxidase Negative (-ve)
Tyrosine Hydrolysis Negative (-ve)

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.

3 thoughts on “Biochemical Test of Salmonella Typhi”

  1. DEAR SIR HOW CAN IDENTIFY SALMONELLA TYPHI IF ON SS AGAR AND XLD AGAR PIGMENT NOT OBSERVED WHICH TEST CAN I PERFORM IN MANUALLY.
    THANKS IN ADVANCED

    Reply

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