THE GENUS STAPHYLOCOCCUS - LF
THE GENUS STAPHYLOCOCCUS - LF
THE GENUS STAPHYLOCOCCUS - LF
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The species Staphylococcus aureus<br />
Morphology<br />
– Gram-positive, spherical cells, mostly arranged in irregular<br />
grape like clusters.<br />
– Polysaccharide capsule is only rarely found on cells.<br />
– The peptidoglycan layer is the major structural component of<br />
the cell wall. It is important in the pathogenesis of<br />
staphylococcal infections. Other important component of cell<br />
wall is teichoic acid.<br />
– Protein A is the major protein component of the cell wall. It is<br />
located on the cell surface but is also released into the culture<br />
medium during the cell growth. A unique property of protein<br />
A is its ability to bind to the Fc part of all IgG molecules<br />
except IgG3. It is not an antigen-antibody specific reaction.
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