Biochemical Test of Staphylococcus aureus

Basic Characteristics Properties (Staphylococcus aureus) Capsule Non-Capsulated Catalase Positive (+ve) Citrate Positive (+ve) Coagulase Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Positive (+ve) H2S Negative (-ve) Hemolysis Positive (+ve)- Beta Indole Negative (-ve) Motility Negative (-ve) MR (Methyl Red) Positive (+ve) Nitrate Reduction Positive (+ve) OF (Oxidative-Fermentative) Fermentative Oxidase Negative (-ve) Pigment … Read more

Biochemical Test of Lactobacillus spp.

Basic Characteristics Properties of Lactobacillus spp.) Capsule Negative (-ve) Catalase Negative (-ve) Citrate Negative (-ve) Flagella If present, peritrichous Gas Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Gram positive H2S Negative (-ve) Indole Negative (-ve) Motility Mostly Negative (-ve) MR (Methyl Red) Negative (-ve) Nitrate Reduction Negative (-ve) Oxidase Negative (-ve) Pigment Rare; if present, … Read more

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 … Read more

Biochemical Test of Vibrio cholerae

Basic Characteristics Properties (Vibrio cholerae) Capsule Non-Capsulated Citrate +ve Flagella Flagellated Gas -ve Gelatin Hydrolysis +ve Gram Staining -ve H2S -ve Hemolysis Beta Hemolysis Indole +ve Motility Motile MR (Methyl Red) -ve Nitrate Reduction +ve Oxidase +ve Shape Rods Spore Non-Sporing String Test +ve Urease -ve VP (Voges Proskauer) Variable Fermentation of Adonitol -ve Arabinose … Read more

Biochemical Test of Clostridium tetani

Basic Characteristics Properties (Clostridium tetani) Capsule Negative (-ve) Catalase Negative (-ve) Flagella Peritrichous Gas Positive (+ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Gram-stain-positive, but become Gram-stain-negative after approximately 24 h incubation. Growth in 20% Bile Negative (-ve) Growth in 6.5% NaCl Negative (-ve) H2S Positive (+ve) Hemolysis Positive (+ve) Indole Variable Motility Positive (+ve) Nitrate … Read more

Biochemical Test of Streptococcus mutans

Basic Characteristics Properties (Streptococcus mutans) Capsule Capsulated Catalase Negative (-ve) Gram Staining Positive (+ve) Hemolysis Alfa Hemolysis Motility Non-motile OF (Oxidative-Fermentative) Facultative anaerobes Oxidase Negative (-ve) Shape Cocci Spore Non-sporing Urease Negative (-ve) VP (Voges Proskauer) Positive (+ve) Fermentation of Adonitol Negative (-ve) Arabinose Negative (-ve) Arbutin Positive (+ve) Cellobiose Positive (+ve) Dulcitol Negative (-ve) … Read more

Biochemical Test of Streptococcus agalactiae

Basic Characteristics Properties (Streptococcus agalactiae) CAMP Positive (+ve) Capsule Positive (+ve) Catalase Negative (-ve) Coagulase Negative (-ve) Flagella Non-flagellated Gram Staining Positive (+ve) Hemolysis Beta Hemolysis Motility Non-motile OF (Oxidative-Fermentative) Facultative anaerobes Oxidase Negative (-ve) PYR Negative (-ve) Shape Cocci Spore Non-sporing Urease Negative (-ve) VP (Voges Proskauer) Variable Fermentation of Adonitol Negative (-ve) Arabinose … Read more

Biochemical Test of Streptococcus pneumoniae

Characteristics Basic Characteristics Properties (Streptococcus pneumoniae) Bile Solubility Positive (+ve) Catalase Negative (-ve) Gram Staining Positive (+ve) Hemolysis Alfa Hemolysis Motility Non-motile OF (Oxidative-Fermentative) Facultative anaerobes Oxidase Negative (-ve) Shape Diplococci Spore Non-sporing Urease Negative (-ve) VP (Voges Proskauer) Negative (-ve) Fermentation of Arabinose Positive (+ve) Arbutin Negative (-ve) Dulcitol Negative (-ve) Erythritol Positive (+ve) … Read more

Biochemical Test of Escherichia coli (E. coli)

Basic Characteristics Properties (E. coli) Capsule Capsulated Catalase Positive (+ve) Citrate Negative (-ve) Coagulase Negative (-ve) Flagella Flagellated Gas Positive (+ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Negative (-ve) Growth in KCN Negative (-ve) H2S Negative (-ve) Hemolysis Negative (-ve) Indole Positive (+ve) Motility Motile MR (Methyl Red) Positive (+ve) Nitrate Reduction Positive (+ve) OF … Read more