Tag: Staphylococcus aureus

Mannitol Salt Agar for the isolation of Staphylococcus aureus 4.91/5 (11)

Mannitol Salt Agar for the isolation of Staphylococcus aureus

Mannitol Salt Agar for the isolation of Staphylococcus aureus Mannitol Salt Agar (MSA) is used as a selective and differential medium for the isolation and identification of Staphylococcus aureus from clinical and non-clinical specimens. It encourages the growth of a group of certain bacteria while inhibiting the growth of others. It is a selective medium […]

Community Acquired MRSA vs Hospital Acquired MRSA 4.52/5 (31)

Community Acquired MRSA vs Hospital Acquired MRSA

Community Acquired MRSA vs Hospital Acquired MRSA S.N. Characteristics Community Acquired MRSA (CA-MRSA) Hospital Acquired MRSA (HA-MRSA) 1. Clinical Infection Skin, Soft tissue, necrotizing pneumonia Pneumonia, urinary, bloodstream, surgical site (multiple site) 2. At risk populations Clusters and outbreaks in closed populations (prisoners, athletes, military, selected ethnic populations, intravenous drug users, soldiers) Outbreaks are associated […]

Biochemical Test and Identification of Staphylococcus aureus 4.54/5 (160)

Biochemical Test and Identification of Staphylococcus aureus

Biochemical Test and Identification 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) […]

Coagulase Test- Principle, Procedure, Types, Interpretation and Examples 4.4/5 (92)

Coagulase Test- Principle, Procedure, Types, Interpretation and Examples Introduction to Coagulase Test Coagulase test is used to differentiate Staphylococcus aureus (positive) which produce the enzyme coagulase, from S. epidermis and S. saprophyticus (negative) which do not produce coagulase. i.e Coagulase Negative Staphylococcus (CONS). Principle of Coagulase Test Coagulase is an enzyme-like protein and causes plasma to clot by […]

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