Paracoccus yeei

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Gram stain Culture

General information
- Taxonomy
  Family: Rhodobacteracea
  Formerly classified as a eugenic oxidizer group 2 (EO-2)
  
  Natural habitat
  In the environment, does not belong to the normal flora of the human being.
  
  Clinical significance
  Isolated from various wounds and blood
Gram stain
- Small Gram negative coccobacilli
  
  with O-shaped morphology
Culture characteristics
- Obligate Aerobic
  
  BA: colonies after 24 hours, gray white, convex and 0.5-1 mm, after 48-72 hours, mucoid to very mucoid, no pigment, non hemolytic
  
  Paracoccus yeei initially seems a lot like a CNS, difference in Gram stain and oxidase
  
  McConkey: growth variable,
  colonies are mucoid to very mucoid and light purple color
  
  BBAØ: no growth
Characteristics
References
- James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition