Micro_Unit4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Superoxide dismutase | Produced with catalase to detoxify superoxide and hydrogen peroxide that is produced
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| Facultative | Growaerobically or anerobically in the presence or absence of O2
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| Microaerophilic | Requires low O2 concentration and generally a high CO2 concentration
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| Obligate anaerobic | Incapable of aerobic metabolism but are tolerant of O2
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| Capnophilic | Thrive in high CO2 concentrations
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| Aerotolerant | Do not require O2 as they metabolise anaerobically
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| Acceptable Specimens (anaerobes) | protected from O2, taken from: blood, bile, bone marrow, CSF, lung aspirate, dental/abdominal/pelvic abscess, burn wound
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| PEA agar | Supports all obligate anaerobes (gram positive and negative), used to suppress growth of gram negative facultative (like Proteus)
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| Bacteroides Fragilis | resistant to penicillin and not inhibited by bile, most common anaerobe, BBE agar
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| Clostridium Perfringens | cause of gas gangrene, double zone of hemolysis, lecithinase positive
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| Clostridium Botulinum | Canned foods, lipase positive, causes Botulism
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| Clostridium Tetani | neurotoxin, lockjaw, gram positive bacilli with spores like drumsticks or tennis rackets, indole positive, motile
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| Clostridium Difficile | Pseudomembranous colitis, indole/glucose/fructose positive, motile
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| Mobiluncus | cause of anaerobic vaginosis, nonmotile, catalase and indole negative, curved bacilli
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| Propionobacterium Acnes | anaerobic diphtheroids, normal flora, catalase and indole positive
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| Prevotella | urease negative, oxidase negative, resistant to Kanamycin
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Created by:
Ramin11
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