Neisseria subflava

Display:

Gram stain Culture

General information
- Taxonomy
  Family: Neisseriaceae
  
  This species contains the former species N. subflava, N. perflava, and N. flava
  
  Natural habitats
  N. subflava is a common commensal of the human oropharynx.
  
  Clinical significance
  Has occasionally been associated with invasive diseases such as meningitis, endocarditis, and bacteremia.
Gram stain
- Gram negative diplococci,
  
  appears in pairs
Culture characteristics
- Obligate aerobic
  
  5% CO2 improves the growth
  
  N. subflava may produce a yellowish pigment
  
  BA: colonies are smooth and are variably transparent with a yellowish pigment.
  
  McConkey: no growth
  
  BBAØ: no growth
Characteristics
References
- James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition