Difference between revisions of "Actinomycetes"
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| − | # | + | <big><center>[[Infectious agents and parasites|'''BACK TO INFECTIOUS AGENTS AND PARASITES''']]</center></big> |
| + | <big><center>[[Bacteria|'''BACK TO BACTERIA''']]</center></big> | ||
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| + | *Cause [[Peritoneal cavity - inflammatory#In dogs|peritonitis in dogs]] and [[Peritoneal cavity - inflammatory#In cattle|peritonitis in cattle]] and [[Peritoneal cavity - inflammatory#In pigs|peritonitis in pigs]] | ||
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| + | *''Nocardia'' is involved in [[Peritoneal cavity - inflammatory#In dogs|peritonitis]] and [[Bacterial infections#Nocardiosis|pleuritis]] in dogs | ||
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| + | *''Micropolyspora faeni and Thermactinomyces vulgaris'' in [[Bronchi and bronchioles - inflammatory#Extrinsic Allergic Bronchio-alveolitis|Bovine Farmers Lung]] | ||
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| + | *''Thermactinomyces vulgaris'' may cause [[Bronchi and bronchioles - inflammatory#Chronic obstructive pulmonary disease (COPD)|COPD]] | ||
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| + | * ''Actinomyces'' may cause [[General Pathology - Chronic Inflammation#Granulomatous Inflammation|granulomatous inflammation]]. | ||
| + | ** E.g. ''Actinomyces bovis'' -the cause of [[Oral Cavity - Teeth#Mandibular Osteomyelitis|lumpy jaw]] and in [[Bones - inflammatory#Osteomyelitis|osteomyelitis]], may extend to surrounding [[Muscles - inflammatory#Actinomycosis bovis|muscles]] | ||
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| + | *''Actinomyces pyogenes'' in [[Bones - inflammatory#Osteomyelitis|osteomyelitis]] | ||
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| + | *In [[Pleural cavity and membranes - inflammatory#Pyothorax (Thoracic empyema)|pyothorax]] | ||
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| + | *Isolated from closed cases of [[Bursae and Tendons - inflammatory#Poll Evil and Fistulous Withers|Poll Evil and Fistulous Withers]] | ||
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| + | ===Overview=== | ||
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| + | *Gram positive bacteria | ||
| + | *Grow slowly on media and produce branching filaments | ||
| + | *Opportunistic infections causing inflammatory responses and granulomatous reactions | ||
| + | *Animal pathogens include ''Actinomyces, Arcanobacterium, Actinobaculum, Nocardia'' and ''Dermatophilus'' | ||
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| + | ===''Actinomyces, Arcanobacterium'' and ''Actinobaculum'' species=== | ||
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| + | *Non-motile, non-spore-forming bacteria | ||
| + | *Anaerobic or facultative anaerobes | ||
| + | *Grow on enriched media | ||
| + | *''Arcanobacterium pyogenes'' formerly known as ''Actinomyces pyogenes'' and ''Corynebacterium pyogenes'' | ||
| + | *Colonise mucous membranes | ||
Revision as of 13:22, 17 February 2008
- Cause peritonitis in dogs and peritonitis in cattle and peritonitis in pigs
- Nocardia is involved in peritonitis and pleuritis in dogs
- Micropolyspora faeni and Thermactinomyces vulgaris in Bovine Farmers Lung
- Thermactinomyces vulgaris may cause COPD
- Actinomyces may cause granulomatous inflammation.
- E.g. Actinomyces bovis -the cause of lumpy jaw and in osteomyelitis, may extend to surrounding muscles
- Actinomyces pyogenes in osteomyelitis
- In pyothorax
- Isolated from closed cases of Poll Evil and Fistulous Withers
Overview
- Gram positive bacteria
- Grow slowly on media and produce branching filaments
- Opportunistic infections causing inflammatory responses and granulomatous reactions
- Animal pathogens include Actinomyces, Arcanobacterium, Actinobaculum, Nocardia and Dermatophilus
Actinomyces, Arcanobacterium and Actinobaculum species
- Non-motile, non-spore-forming bacteria
- Anaerobic or facultative anaerobes
- Grow on enriched media
- Arcanobacterium pyogenes formerly known as Actinomyces pyogenes and Corynebacterium pyogenes
- Colonise mucous membranes