Biochemical Test of Bacteria

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 … Read more Biochemical Test of Bacteria

Biochemical Test of Bacteroides fragilis

Biochemical Test of Bacteroides fragilis

Biochemical Test of Bacteroides fragilis Basic Characteristics Properties (Bacteroides fragilis) Capsule Positive (+ve) Catalase Positive (+ve) Flagella Negative (-ve) Gelatin Hydrolysis Weakly Positive (+ve) Gram Staining Gram-negative (-ve) Growth in Bile (20%) Positive (+ve) Hemolysis Negative (-ve) Indole Variable Motility Negative (-ve) Nitrate Reduction Negative (-ve) Oxidase Variable Pigment Negative (-ve) Shape Rod-shaped cells with … Read more Biochemical Test of Bacteroides fragilis