Pasteurella: Difference between revisions
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Pasteurella
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* [[Stain::Gram-negative]] [[ |
* [[Stain::Gram-negative]] [[Shape::bacillus]] with '''bipolar staining''' ("safety pin" appearance) |
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* Grows on chocolate agar but not MacConkey, unlike other Gram-negative bacteria |
* Grows on chocolate agar but not MacConkey, unlike other Gram-negative bacteria |
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* Oxidase [[Oxidase::positive]] and indole [[Indole::positive]] |
* Oxidase [[Oxidase::positive]] and indole [[Indole::positive]] |
Revision as of 22:58, 14 October 2020
- Gram-negative bacillus with bipolar staining ("safety pin" appearance)
- Grows on chocolate agar but not MacConkey, unlike other Gram-negative bacteria
- Oxidase positive and indole positive
- Includes Pasteurella multocida
- Normal oral flora of many animals, including humans
- Causes skin and soft tissue infections following bites or closed-fist injuries
- May have beta lactamases
- Treatment is typically with penicillin (if susceptible), amoxicillin-clavulanic acid, or a cephalosporin