Biochemical Test of Hafnia alvei

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Biochemical Test of Hafnia alvei

Basic Characteristics Properties (Hafnia alvei)
Capsule Non-Capsulated
Catalase Positive (+ve)
Citrate Positive (+ve)
Flagella Flagellated
Gas from Glucose Positive (+ve)
Gelatin Hydrolysis Negative (-ve)
Gram Staining Negative (-ve)
Growth in KCN Positive (+ve)
H2S Negative (-ve)
Indole Negative (-ve)
Motility Motile
MR (Methyl Red) Variable
Nitrate Reduction Positive (+ve)
OF (Oxidative-Fermentative) Fermentative
Oxidase Negative (-ve)
Pigment Negative (-ve)
Shape Rod
Spore Non-Sporing
Urease Negative (-ve)
VP (Voges Proskauer) Positive (+ve)

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

Enzymatic Reactions
Acetate Utilization Negative (-ve)
Arginine Dihydrolase Negative (-ve)
Esculin Hydrolysis Negative (-ve)
Lipase Negative (-ve)
Lysine Decarboxylase Positive (+ve)
ONPG (β-galactosidase) Positive (+ve)
Ornithine Decarboxylase Positive (+ve)
Phenylalanine Deaminase Negative (-ve)
Tryptophan Deaminase Negative (-ve)

Hafnia alvei

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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