BIOCHEMINSIDER

By Prof Walter Jaoko Basic Characteristics Properties (Fusobacterium necrophorum) Bile Growth Variable Capsule Negative (-ve) Catalase Negative (-ve) Flagella Negative (-ve) Gas Positive (+ve) Gelatin Hydrolysis Variable Gram Staining Gram-negative bacteria H2S Positive (+ve) Hemolysis Positive (+ve) (alpha- and beta-hemolysis may be observed) Indole Positive (+ve) Methylene Blue Reduction Positive (+ve) Motility Negative (-ve) MR (Methyl … Read more

By Prof Walter Jaoko Basic Characteristics Properties (Francisella tularensis subsp. tularensis) Capsule Positive (+ve) Catalase Positive (+ve) Flagella Negative (-ve) Gas Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Faintly stained Gram-negative H2S (in cysteine-supplemented medium) Positive (+ve) Indole Negative (-ve) Motility Negative (-ve) Nitrate Reduction Negative (-ve) NH3 produced in liquid media Negative (-ve) Oxidase Negative Shape … Read more

By Prof Walter Jaoko Basic Characteristics Properties (Edwardsiella tarda) Catalase Positive (+ve) Citrate Negative (-ve) Flagella Peritrichous Gas Positive (+ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Gram-negative Growth in KCN Negative (-ve) H2S Positive (+ve) Indole Positive (+ve) Motility Positive (+ve) MR (Methyl Red) Positive (+ve) Nitrate Reduction Positive (+ve) Oxidase Negative (-ve) Shape Straight … Read more

By Prof Walter Jaoko Basic Characteristics Properties (Corynebacterium diphtheriae) CAMP Negative (-ve) Capsule Non-Capsulated Catalase Positive (+ve) Cetrimide Test Negative (-ve) Citrate Negative (-ve) Coagulase Negative (-ve) Flagella Non-Flagellated Gas Variable Gelatin Hydrolysis Negative (-ve) Gram Staining Positive (+ve) H2S Positive (+ve) Hemolysis Weak Beta hemolysis Indole Negative (-ve) Motility Non-Motile MR (Methyl Red) Positive … Read more

By Prof Walter Jaoko Basic Characteristics Properties (Clostridium perfringens) 20% Bile Positive (+ve) Capsule Positive (+ve) Catalase Negative (-ve) Flagella Negative (-ve) Gas Positive (+ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Gram-positive Hemolysis Positive (+ve) Indole Negative (-ve) Motility Negative (-ve) Nitrate Reduction Variable Oxidase Negative (-ve) Shape Rod shaped; straight rods with blunt ends … Read more

By Prof Mariam Mirambo Basic Characteristics Properties (Clostridium difficile) Capsule Capsulated Catalase Negative (-ve) Flagella Flagellated Gelatin Hydrolysis Positive (+ve) Gram Staining Positive (+ve) H2S Positive (+ve) Hemolysis Negative (-ve) Indole Negative (-ve) Motility Motile Nitrate Reduction Negative (-ve) OF (Oxidative-Fermentative) Anaerobic Oxidase Negative (-ve) Shape Rods Spore Positive (+ve) Urease Negative (-ve) VP (Voges … Read more

By Prof Mariam Mirambo Basic Characteristics Properties (Campylobacter jejuni) Capsule Capsulated Catalase Positive (+ve) Flagella Flagellated Gram Staining Negative (-ve) Growth at 25°C Negative (-ve) Growth at 37°C Positive (+ve) Growth at 42°C Positive (+ve) Growth on MacConkey Agar Positive (+ve) H2S Negative (-ve) Hemolysis Non-Hemolytic KOH Positive (+ve) Motility Motile Nitrate Reduction Positive (+ve) Nitrite … Read more

By Prof Mariam Mirambo Basic Characteristics Properties (Campylobacter fetus subsp. fetus) Capsule Capsule like surface (S-layer) proteins Catalase Positive (+ve) Gram Staining Gram-negative KMnO4 Positive (+ve) H2S Negative (-ve) Hemolysis Negative (-ve) Motility Positive (+ve) 2% NaCl Positive (+ve) Nitrate Reduction Positive (+ve) 2% Ox-bile Positive (+ve) Oxidase Positive (+ve) 0.02% Safranin Positive (+ve) Shape Slender curved rods; … Read more

By Prof Miriam Mirambo Basic Characteristics Properties (Burkholderia pseudomallei) Capsule Positive (+ve) Catalase Positive (+ve) Citrate Positive (+ve) Flagella Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Gram-negative (-ve) H2S Negative (-ve) Indole Negative (-ve) Motility Positive (+ve) Nitrate Reduction Positive (+ve) Oxidase Positive (+ve) Pigment Negative (-ve) Shape Rod-shaped; “safety pin” … Read more