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Staphylococcus spp. (view source)

Revision as of 16:06, 20 July 2008

84 bytes added , 16:06, 20 July 2008

→‎Characteristics

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*Coagulase-negative strains vary in ability to cause haemolysis

*Slide test to detect bound coagulase (clumping factor) on surface of bacteria; bacteria clump within 1-2 minutes

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*Tube test detects free coagulase, secreted by bactera; positive result indicated by clot formation in tube following 24-hour incubation

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*Tube test detects free coagulase, secreted by bactera; positive result indicated by clot formation in tube following 24-hour incubation; free coagulase converts prothrombin to thrombin which converts fibrinogen to fibrin

*Biochemical tests to differentiate ''S. aureus'' and ''S. intermedius''

*PCR to differentiate species

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===Pathogenesis and pathogenicity===

Flawrence

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