Cutibacterium (Propionibacterium) species
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MICROBIOLOGY
- Previously termed Proprionibacterium
- Major human pathogens: many species, generally the two below represent majority of isolates. Member of Proprionibacteriaeceae.
- Cutibacterium acnes
- Cutibacterium avidum
- Major human pathogens: many species, generally the two below represent majority of isolates. Member of Proprionibacteriaeceae.
- Gram-positive pleomorphic rod that grows best anaerobically [Fig].
- Usually inhabits human skin, sebaceous glands, nasopharynx, GI/GU tracts.
- Generally sensitive to beta-lactams and resistant to aminoglycosides.
- Slow growth, often >5-6d.
- Incubation time, may require up to 14d to recover clinically significant isolates from prosthetic joint infections, for example.
- Reclassification of Proprionibacterium species as originally described due to the bacteria producing propionic acid as fermentation product. Bacteria seen in wide range of conditions: including cheeses (Swiss), ruminants stomachs, human skin. Based on 16s ribosomal analysis, this is now divided into the following:
- Acidipropionibacterium gen. nov.
- Cutibacterium gen nov.
- Pseudopropionibacteriumg en. nov.
- Propionibacterium (amended description of the genus)
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MICROBIOLOGY
- Previously termed Proprionibacterium
- Major human pathogens: many species, generally the two below represent majority of isolates. Member of Proprionibacteriaeceae.
- Cutibacterium acnes
- Cutibacterium avidum
- Major human pathogens: many species, generally the two below represent majority of isolates. Member of Proprionibacteriaeceae.
- Gram-positive pleomorphic rod that grows best anaerobically [Fig].
- Usually inhabits human skin, sebaceous glands, nasopharynx, GI/GU tracts.
- Generally sensitive to beta-lactams and resistant to aminoglycosides.
- Slow growth, often >5-6d.
- Incubation time, may require up to 14d to recover clinically significant isolates from prosthetic joint infections, for example.
- Reclassification of Proprionibacterium species as originally described due to the bacteria producing propionic acid as fermentation product. Bacteria seen in wide range of conditions: including cheeses (Swiss), ruminants stomachs, human skin. Based on 16s ribosomal analysis, this is now divided into the following:
- Acidipropionibacterium gen. nov.
- Cutibacterium gen nov.
- Pseudopropionibacteriumg en. nov.
- Propionibacterium (amended description of the genus)
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