Corynebacterium macginleyi

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Gram stain Culture

https://bjo.bmj.com/content/100/7/939
Slit lamp photograph showing full-thickness corneal infiltrate and hypopyon.

Corynebacterium macginleyi

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 biota of the skin and mucous membranes of humans, they are rarely account for clinical infection
  
  Clinical significance
  C. macginleyi has only recently reported to be exclusively isolated from ocular surfaces.
  This micro-organism should be recognised as a potential cause of bacterial super infections.
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
  
  Facultative anaerobic
  Colonies are convex, smooth, and < 0.5 mm in diameter. (lipophyl)
  Some strains exhibit a rose pigment which is not seen for any other lipophilic Corynebacterium species
  
  They exhibited satellitism when grown in the presence of staphylococcal colonies, which may be suggestive of their lipophilic nature.
  
  Lipophilic
  bacteria (fat-liking bacteria) are bacteria that proliferate in lipids.
  
  Good growth is observed with broth supplemented with 1% Tween 80
Characteristics
References
- James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition

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Corynebacterium macginleyi

General information

Gram stain

Culture characteristics

Characteristics

References