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9 Cards in this Set
- Front
- Back
Listeria monocytogenes - gram, motile?
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Gram positive, flagella.
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Listeria monocytogenes - growth?
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COLD! Psychrotroph - grows at 0.5 - 45 C (eurythermal).
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Listeria monocytogenes - air?
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Aerobic to microaerophilic.
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Listeria monocytogenes - onset time?
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1 to several weeks.
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Listeria monocytogenes - symptoms?
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Flu-like; meningitis.
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Listeria monocytogenes - associated foods?
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Milk and other low temperature stored foods; raw meat and poultry.
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Listeria monocytogenes - indirect sources?
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Refrigerator systems, soil, decaying vegetation, farm silage, fecal material, freshwater, low salinity seawater.
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Listeria monocytogenes - detection/identification?
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Can grow on MacConkey, unlike other gram positives. Listeria agars, low temperature growth, Henry Illumination.
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Listeria monocytogenes - prevention?
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Pasteurization of milk.
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