Legionella: Parasite of Cells
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Created by:
cristinalioy on April 8, 2011
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5 terms
Terms | Definitions |
|---|---|
 Legionellae | Gram - rods, parasitize protozoa, opportunistic invaders of phagocytes, fastidious |
| Legionella pneumphila | Requires cysteine, low sodium, charcoal, and iron. Causes Legionnaires' disease and pontiac fever. Found in showers, humidifiers, wet places, etc. motile by monotrichous flagella, no capsule, oxidase + |
| Virulence factors of L. pneumophila | Endotoxin, prevents fusion of phagolysosome, has proteolytic enzymes, has b-lactamase, grows in 46C, chlorine resistant |
| Legionella micdadei | Causes pontiac fever, discovered by McDade and Shepard |
| Pontiac Fever | Affects all ages, doesn't produce pneumonia, and is never fatal. |
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