Corynebacterium pseudodiphteriticum

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Gram stain Culture

General information
- the following information is not yet verified
  The pathogenic potential of coryneform bacteria has been underestimated
  
  Taxonomy
  Family: Corynebacteriaceae
  
  Natural habitats
  They are part of the normal oropharyngeal flora.
  
  Clinical significance
  C. pseudodiphteriticun has been associated mainly with respiratory disease and less commonly with endocarditis, prostheses or wound infections or colonizations.
  
  Most of the respiratory disease occurred in immunosuppressed hosts.
Gram stain
- the following information is not yet verified
  Gram positive rods,
  
  irregularly shaped (‘coryneforms”), they are arranged as single cells, in pairs, in V forms, in palisades, or in clusters with
  
  a so-called Chinese-letter appearance.
  
  Club-shaped rods are observed in true members of the genus Corynebacterium only
Culture characteristics
- the following information is not yet verified
  
  Obligate aerobic
  Colonies are whitish, and slightly dry, entire edges and 1 to 2 mm after 48 hours of incubation.
  
  McConkey no growth
  
  BBAØ no growth
Characteristics
References
- James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition