Gram Positive Cocci - Gram Positive Cocci Staphylococcus...

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Gram Positive Cocci Staphylococcus- - Bacterial species belong to genus Staphylococcus are part of our normal biota on the human bodl'surface. They are particularly numerous on skin and mucous membrane lining the upper respiratory tract. Some of them are also associated with human infectious diseases. - Suphl'lococcus bacteria are: - sram-positive bacteria - coccus shape - staphylo (a cluster of cells) arrangement - t-acultative anaerobe - grow well on most nutrient media - Both Staphylococcus aureus and Staphylococcus epidermidis are clinically important species. I ) Staphl'lococcus aureus- - Staphl-lococcus aureus is a member of our normal biota, but it is pathogenic and can cause infectious disease in human under certain conditions. It causes disease primarily in individuals with weak immune systems, particularly patients in hospital. In the hospital, S. aureus is a major cause of nosocomial infections transmitted from hospital personnel or the environment.
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