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Staph aureus
Micro gram positive 1
Question | Answer |
---|---|
Structural VF | Capsule |
Proteins VF | Protein A, clumping factors (fibronectinbinding adhesion) |
Enzymes VF | Coagulase, catalase, Staphylokinase Lipase, dnase hyaluronic acid beta lactamases |
Toxins VF | Cytolytic exotoxins, Enterotoxins Toxic shock syndrome toxin Supra antigen toxin |
Diseases | Impetigo Septic artheis Scaled skin syndrome Toxic shock syndrome |
Agars | Blood= golden Mannitol sugar = yellow ferments mannitol |
Novobiocin | Sensiitve |
Coagulate blood | Coagulase Fibronectin binding adhesion |
Prothrombin -> thrombin .’. Profibrin -> fibrin | Coagulase |
Escape immune system by | Capsules |
Antiphagocytic | Protein A |
H2o2 -> H2O + O2 | Catalase |
Breaks down lipids | Lipase & phospholipase |
Inhibit fibrin clots | Staphyokinase |