Bordetella pertussis- An Overview

Bordetella pertussis

What is Bordetella pertussis? Bordetella pertussis is a pathogenic Gram-negative aerobic bacterium that is the causative agent of the disease pertussis or whooping cough. B. pertussis is the type species of Bordetella that consists of minute mesophilic coccobacillus that facilitates the colonization of animal tissues. B. pertussis is one of the eight species belonging to the genus Bordetella and one …

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Biochemical Test of Bacteria

Biochemical Test of Bacteria

Biochemical reactions are very important in the identification of bacterial isolates and in the identification of different bacterial species. These tests depend on the presence of certain enzymes, such as catalase, oxidase, urease, gelatinase, etc., produced by the bacteria. Different bacteria produce varying spectra of enzymes. For example, some enzymes are necessary for the bacterium’s individual metabolism, and some facilitate …

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Biochemical Test of Bordetella pertussis

Biochemical Test of Bordetella pertussis

Some of the characteristics are as follows: Basic Characteristics Properties (Bordetella pertussis) Capsule Positive (+ve) Catalase Positive (+ve) Citrate Negative (-ve) Flagella Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Gram-negative (-ve) Growth in nutrient broth Negative (-ve) Hemolysis Positive (+ve) Motility Negative (-ve) Nitrate Reduction Negative (-ve) Oxidase Positive(+ve) Pigment Negative (-ve) Shape Minute coccobacilli Spore Negative (-ve) Urease …

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