Biochemical Test of Yersinia pestis

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Biochemical Test of Yersinia pestis

Basic Characteristics Properties (Yersinia pestis)
Capsule Positive (+ve)
Catalase Positive (+ve)
Citrate Negative (-ve)
Flagella Non-Flagellated
Gas Negative (-ve)
Gelatin Hydrolysis Negative (-ve)
Gram Staining Negative (-ve)
Growth in KCN Negative (-ve)
H2S Negative (-ve)
Hemolysis Negative (-ve)
Indole Negative (-ve)
Motility Non-Motile
MR (Methyl Red) Positive (+ve)
Nitrate Reduction Positive (+ve)
OF (Oxidative-Fermentative) Facultative anaerobes
Oxidase Negative (-ve)
Pigment Negative (-ve)
Shape Rods
Spore Negative (-ve)
Urease Negative (-ve)
VP (Voges Proskauer) Negative (-ve)

Fermentation of

Adonitol Negative (-ve)
Arabinose Positive (+ve)
Cellobiose Positive (+ve)
DNase Negative (-ve)
Dulcitol Negative (-ve)
Glucose Positive (+ve)
Glycerol Variable
Lactose Negative (-ve)
Malonate Negative (-ve)
Maltose Positive (+ve)
Mannitol Positive (+ve)
Mannose Positive (+ve)
Melibiose Variable
Mucate Negative (-ve)
MyoInositol Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Salicin Variable
Sorbitol Variable
Sorbose Negative (-ve)
Sucrose Negative (-ve)
Tartrate Negative (-ve)
Trehalose Positive (+ve)
Xylose Positive (+ve)

Enzymatic Reactions

Acetate Utilization Negative (-ve)
Aesculine Hydrolysis Positive (+ve)
Arginine Dehydrolase Negative (-ve)
Lipase Negative (-ve)
Lysine Negative (-ve)
ONPG (β-galactosidase) Positive (+ve)
Ornithine Decarboxylase Negative (-ve)
Phenylalanine Deaminase Negative (-ve)

Scanning electron microscope image of Yersinia pestis

Figure: Scanning electron microscope image of Yersinia pestis. Source: www.mirror.co.uk

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.

1 thought on “Biochemical Test of Yersinia pestis”

  1. Nice information sir.
    Can Yersinia spp. isolated from pus sample of poultry ? Which are the confirmatory tests for Yersinia ?

    Reply

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