Biochemical Test of Enterobacter cloacae

Biochemical Test of Enterobacter cloacae

­Basic Characteristics Properties (Enterobacter cloacae)
Capsule Negative (-ve)
Catalase Positive (+ve)
Citrate Positive (+ve)
Flagella Positive (+ve)
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) Negative (-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) Positive (+ve)

Fermentation of

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

Enzymatic Reactions

Acetate Utilization Positive (+ve)
Aesculine Hydrolysis Variable
Arginine decarboxylase Positive (+ve)
Esculin Hydrolysis Variable
Lipase Negative (-ve)
Lysine decarboxylases Negative (-ve)
ONPG (β-galactosidase) Positive (+ve)
Ornithine Decarboxylase Positive (+ve)
Pectate degradation Negative (-ve)
Phenylalanine Deaminase Negative (-ve)
Tryptophan Deaminase Negative (-ve)

Enterobacter cloacae Gram Stain

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He attended St. Xavier’s College, Maitighar, Kathmandu, Nepal, to complete his Master of Science in Microbiology. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from Feb 2015 to June 2019. After teaching microbiology for more than four years, he joined the Central Department of Microbiology, Tribhuvan University, to pursue his Ph.D. in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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