| propionibacterium | A genus of gram-positive, rod-shaped bacteria whose cells occur singly, in pairs or short chains, in v or y configurations, or in clumps resembling letters of the chinese alphabet. Its organisms are found in cheese and dairy products as well as on human skin and can occasionally cause soft tissue infections. (12 Dec 1998) |
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| propionibacterium acnes | A bacteria isolated from normal skin, intestinal contents, wounds, blood, pus, and soft tissue abscesses. It is a common contaminant of clinical specimens, presumably from the skin of patients or attendants. (12 Dec 1998) |
| Propionibacterium propionicus | arachnia propionica |