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DISTINCTIVE PROPERTIE4 - substance is capable of binding...

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DISTINCTIVE PROPERTIES: Staphylococci are Gram-positive cocci usually arranged in clusters like a bunch of grapes . This appearance is due to the fact that staphylococci divide along two separate planes. The morphologically similar streptococci can be differentiated from staphylococci by testing for the enzyme catalase; staphylococci possess this enzyme while streptococci do not. Staphylococci possess both group specific and type specific antigens: 90% of S. aureus isolates have protein A. This
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Unformatted text preview: substance is capable of binding the Fc portion of immunoglobulin IgG. This property helps the bacterium escape the potentially lethal effects of immunoglobulin action and also serves as the basis for some serological tests (coagglutination). • Toxins produced by S. aureus include: hemolysins, leukocidins, enterotoxin, exfoliative toxin and toxic shock syndrome (TSS) toxin. • Extracellular enzymes produced by S. aureus include: coagulase, fibrinolysin, DNAse, lipases and hyaluronidase....
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