Biocheminsider

By Prof Walter Jaoko Basic Characteristics Properties (Bacillus anthracis) Capsule Capsulated Catalase Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Positive (+ve) Hemolysis Negative (-ve) Indole Positive (+ve) Motility Negative (-ve) Nitrate Reduction Positive (+ve) Oxidase Negative (-ve) Pigment Negative (-ve) Shape Rods Spore Positive (+ve) Urease Negative (-ve) VP (Voges Proskauer) … Read more

By Prof Daniel Asrat Basic Characteristics Properties (Chlamydia trachomatis) Organism Type Obligate intracellular organism that parasitize and multiply in the cytoplasm of eukaryotic cells within membrane bound vacuoles, termed inclusions, by a unique developmental cycle. ATP/ADP Transport System Negative (-ve) Body Types Elementary and Reticulate Flagella Absent Gram Staining Gram-negative Genus Specific Antigen Positive (+ve) … Read more

By Prof Daniel Asrat Characteristics Properties (Streptococcus pyogenes) CAMP Negative (-ve) Capsule Capsulated Catalase Negative (-ve) Gram Staining Positive (+ve) Hemolysis Beta Motility Non-Motile OF (Oxidative-Fermentative) Fac. Anaerobes PYR Positive (+ve) Shape Cocci Spore Non-Sporing Urease Negative (-ve) VP (Voges Proskauer) Negative (-ve) 6.5% NaCl Growth Negative (-ve) Fermentation of Adonitol Negative (-ve) Arabinose Negative … Read more

By Prof Daniel Asrat Basic Characteristics Properties (Staphylococcus epidermidis) Capsule Mostly Capsulated Catalase Positive (+ve) Citrate Negative (-ve) Coagulase Negative (-ve) Gas Positive (+ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Positive (+ve) H2S Positive (+ve) Hemolysis Negative (-ve) Motility Negative (-ve) MR (Methyl Red) Negative (-ve) Nitrate Reduction Positive (+ve) Oxidase Negative (-ve) Pigment Negative … Read more

By Prof Daniel Asrat Basic Characteristics Properties (Mycobacterium tuberculosis) 5 % NaCl Tolerance Negative (-ve) 68°C Catalase Test Negative (-ve) Acid Fast Stain Positive (-ve) Acid Phosphatase Negative (-ve) Amidase Test Positive (-ve) Arylsulphatase Test Negative (-ve) Growth at 22°C Negative (-ve) Growth at 25°C Negative (-ve) Growth at 42°C Negative (-ve) Growth at 25°C … Read more

By Prof Walter Jaoko Salmonella Typhi is the bacterium responsible for causing typhoid fever. There are various Biochemical tests that are commonly used in clinical laboratories to identify and confirm the presence of Salmonella Typhi in patient samples. These tests help differentiate Salmonella Typhi from other bacteria and assist in the diagnosis of typhoid fever. … Read more

Klebsiella oxytoca is a bacterium that belongs to the Klebsiella genus, which is known for its pathogenic potential and association with various infections in humans. To identify and characterize Klebsiella oxytoca in a clinical or laboratory setting, biochemical tests are commonly employed. Biochemical tests used for the identification of Klebsiella oxytoca Basic Characteristics Properties ( Klebsiella … Read more

Basic Characteristics Properties (Pseudomonas aeruginosa) Capsule Non-Capsulated Catalase Positive (+ve) Cetrimide Test Positive (+ve) Citrate Positive (+ve) Coagulase Negative (-ve) Flagella Flagellated (Single) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Negative (-ve) H2S Negative (-ve) Hemolysis Beta Hemolytic Indole Negative (-ve) Motility Motile (Unipolar) MR (Methyl Red) Negative (-ve) Nitrate Reduction Positive (+ve) … Read more