Biochemical Test of Serratia marcescens

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Biochemical Test of Serratia marcescens

­Basic Characteristics Properties (Serratia marcescens)
Capsule Negative (-ve)
Catalase Positive (+ve)
Citrate Positive (+ve)
Flagella Positive (+ve)
Gas Variable
Gelatin Hydrolysis Positive (+ve)
Gram Staining Negative (-ve)
H2S Negative (-ve)
Indole Negative (-ve)
Motility Positive (+ve)
MR (Methyl Red) Negative (-ve)
Nitrate Reduction Positive (+ve)
OF (Oxidative-Fermentative) Facultative Anaerobes
Oxidase Negative (-ve)
Pigment Positive (+ve)
Shape Rods
Spore Negative (-ve)
Urease Positive (+ve)
VP (Voges Proskauer) Positive (+ve)

Fermentation of

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

Enzymatic Reactions

Acetate Utilization Variable
Aesculine Hydrolysis Positive (+ve)
Arginine Dehydrolase Negative (-ve)
Casein Hydrolysis Positive (+ve)
Esculin Hydrolysis Positive (+ve)
Lipase Positive (+ve)
Lysine decarboxylase Positive (+ve)
ONPG (β-galactosidase) Positive (+ve)
Ornithine Decarboxylase Positive (+ve)
Phenylalanine Deaminase Negative (-ve)
Tween 80 hydrolysis Positive (+ve)
Tryptophan Deaminase Negative (-ve)
Tyrosine Hydrolysis Variable

Serratia marcescens

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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