Difference between revisions of "Corynebacterium species"
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*''Corynebacterium pseudotuberculosis'' may cause [[Muscles - inflammatory#Abscesses|myositis]] | *''Corynebacterium pseudotuberculosis'' may cause [[Muscles - inflammatory#Abscesses|myositis]] | ||
*''Corynebacterium pseudotuberculosis'' in [[Bacterial skin infections#Deep pyoderma|deep pyoderma]] | *''Corynebacterium pseudotuberculosis'' in [[Bacterial skin infections#Deep pyoderma|deep pyoderma]] | ||
| + | |||
| + | ===Overview=== | ||
| + | |||
| + | *Common inhabitants of skin and mucous membranes of animals | ||
| + | *Cause pyogenic infections | ||
| + | *Most species host specific | ||
| + | |||
| + | |||
| + | ===Characteristics=== | ||
| + | |||
| + | *Small, tough, Gram positive rods | ||
| + | *Pleomorphic | ||
| + | *Cluster together to resemble Chinese characters - coryneform morphology | ||
| + | *Known as diphtheroids | ||
| + | *Catalase positive, oxidase negative | ||
| + | *Facultative anaerobes | ||
| + | *Require enriched media for growth | ||
| + | *Non-motile | ||
| + | |||
| + | |||
| + | ===Clinical infections=== | ||
| + | |||
| + | *Infection follows tissue trauma | ||
| + | *Suppurative lesions | ||
| + | *''C. pseudotuberculosis'' casues caseous lymphadenitis in sheep | ||
| + | *Carried on skin of sheep | ||
| + | *Produces a phospholipase toxin | ||
| + | *Infection through shearing wounds | ||
| + | *Facultative intracellular pathogen inside macrophages | ||
| + | *Ulcerative lymphangitis in horses | ||
| + | |||
| + | |||
| + | ===Diagnosis=== | ||
| + | |||
| + | * | ||
Revision as of 11:59, 18 May 2008
- C. pyogenes in arthritis of sheep post-dipping joint infection and arthritis in pigs and arthritis in cattle
- Corynebacterium pseudotuberculosis may cause myositis
- Corynebacterium pseudotuberculosis in deep pyoderma
Overview
- Common inhabitants of skin and mucous membranes of animals
- Cause pyogenic infections
- Most species host specific
Characteristics
- Small, tough, Gram positive rods
- Pleomorphic
- Cluster together to resemble Chinese characters - coryneform morphology
- Known as diphtheroids
- Catalase positive, oxidase negative
- Facultative anaerobes
- Require enriched media for growth
- Non-motile
Clinical infections
- Infection follows tissue trauma
- Suppurative lesions
- C. pseudotuberculosis casues caseous lymphadenitis in sheep
- Carried on skin of sheep
- Produces a phospholipase toxin
- Infection through shearing wounds
- Facultative intracellular pathogen inside macrophages
- Ulcerative lymphangitis in horses