《病原生物学（医学微生物学）》课程教学课件（英文）10_Staphylococcus

Section II BacteriologyStaphylococciSHIHEZI UNIVERSITY

Section III Bacteriology Staphylococci SHIHEZI UNIVERSITY

KEY TERMS Staphylococcus aureuscytotoxinsleucocidinopportunistic diseasesfoodlipasepoisoning/enterotoxins hyaluronidasetoxic shock syndrome protein Atoxic shock toxincoagulase (+) orexfoliative toxin/scaldedcoagulase (-)skin syndromeStaphylococcusepidermidisSHIHEZI UNIVERSITY

KEY TERMS  Staphylococcus aureus  opportunistic diseases  food poisoning/enterotoxins  toxic shock syndrome  toxic shock toxin  exfoliative toxin/scalded skin syndrome  cytotoxins  leucocidin  lipase  hyaluronidase  protein A  coagulase (+) or coagulase (–)  Staphylococcus epidermidis SHIHEZI UNIVERSITY

CoccusPathogenic cocci mainly include generaStaphylococciStreptococci, PneumococcusNeisseriacocci (singular)SHIHEZI UNIVERSITY

Coccus Pathogenic cocci mainly include genera Staphylococci Streptococci, Pneumococcus Neisseria cocci (singular) SHIHEZI UNIVERSITY

StaphylococcusStaphylococcus aureusStaphylococcus epidermidisStaphylococcus saprophyticusSHIHEZI UNIVERSITY

Staphylococcus Staphylococcus aureus Staphylococcus epidermidis Staphylococcus saprophyticus SHIHEZI UNIVERSITY

StaphylococciGram positive Facultative anaerobes Grape like-clusters Catalase positiveMajor componentsof normal flora skin noseDennisKunkeHOSCODV.in

Staphylococci • Gram positive • Facultative anaerobes • Grape like-clusters • Catalase positive • Major components of normal flora - skin - nose

StaphylococcusMore than 30 species, clinical importantspecies are Staph. AureusStaph. epidermidisStaph. saprophyticusSHIHEZI UNIVERSITY

Staphylococcus  More than 30 species, clinical important species are Staph. Aureus Staph. epidermidis Staph. saprophyticus SHIHEZI UNIVERSITY

StaphylococciS aureusS epidemidis S saprophyticusWhiteWhiteGolden-Colony coloryellowCoagulase+-/+Staphylolysin+SPA+Mannitol-salt+WeakWeakStrongPathogenesisSHIHEZI UNIVERSITY

Staphylococci Pathogenesis Strong Weak Weak Mannitol + - - -salt SPA + - - Staphylolysin + -/+ - Coagulase + - - Golden- White White yellow Colony color S aureus S epidemidis S saprophyticus SHIHEZI UNIVERSITY

Staphylococcus aureusSHIHEZI UNIVERSITY

Staphylococcus aureus SHIHEZI UNIVERSITY

Morphology l um in diameterNo flagellum, capsule and endosporeSHIHEZI UNIVERSITY

Morphology  1µm in diameter  No flagellum, capsule, and endospore SHIHEZI UNIVERSITY

SHIHEZI UNIVERSITY

SHIHEZI UNIVERSITY