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14 Cards in this Set
- Front
- Back
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Koch's postulates |
1. All microbes are present in every case of disease 2. Microbes are isolated and a pure culture is prepared 3. Microbes from the culture are inoculated into another organism 4. Identical microbes are found in organism |
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Common classifications or virulence factors |
Adhesion, invasion, colonization, toxins |
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Genes for virulence factors are carried on? |
Plasmids |
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Proteases |
Enzymes that break down proteins |
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Lipases |
Break down lipids |
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Nucleases |
Break down nucleic acids |
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Hyaluronidase |
Breaks down hyaluronic acid |
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Collagenase |
Breaks down collagen |
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Streptokinase |
Breaks down fibrin (which clots blood) |
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Coagulase |
Breaks down blood coagulation protein fribinogen |
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Two types of toxins |
Endotoxins and exotoxins |
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Endotoxins are also called |
Lipopolysaccharide or LPS |
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Three regions of LPS |
LipidA, core sugars, and O-specific polysaccharides |
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What type of prokaryotes has an LPS surface layer |
Gram-negative bacteria |
