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14 Cards in this Set
- Front
- Back
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What's the main characteristic of mycoplasma/ureaplasma species?
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They lack a peptidoglycan cell wall. Gram stain results in NO SIGNAL.
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What unusual component is found in mycoplasma/ureaplasma cell membranes?
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Cholesterol
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Where do mycoplasma/ureaplasma derive most of their nutrition?
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From their host.
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What are the four primary species of Mycoplasma/Ureaplasma associated with human disease?
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1. M. pneumoniae
2. M. hominis 3. M. genitalium 4. U. urealyticum |
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What's one of the most common lung infections?
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M. pneumoniae pneumonia, 10% of all cases.
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Who's at risk for M. pneumoniae PNM?
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Ages 5-20, but everyone is susceptible.
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What's the pathogenesis of M. pneumoniae URI?
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Attaches to cilia/microvilli/bronchial epithelium via P1 Protein, a cyto-adhesin
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What circulatory disease is associated with auto-immunity from M. pneumoniae infection?
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Raynaud's, from IgM/cold haemagglutinin response
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What are the clinical manifestations of M. pneumoniae PNM?
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Atypical ("Walking") Pneumonia
* Long incubation * Minimal cough * Mild disease, self-limiting |
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What derm disease is associated with auto-immunity from M. pneumoniae infection?
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Stevens-Johnson Syndrome
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What antibiotics are used to treat M. pneumoniae PNM?
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Macrolides (erythro, azythro) or Quinolones
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What mycoplasma is an STD?
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Mycoplasma gentalium
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What symptoms are associated with M. genitalium infection in men and women?
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Urethritis in men, mucopurulent cervicitis in women.
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How are M. genitalium and U. urealyticum diagnosed?
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Serodiagnosis
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