title: Nitrosomonas eutropha
text: # Nitrosomonas eutropha
  
  Nitrosomonas eutropha is an ammonia-oxidizing, Gram-negative bacterium from the genus of Nitrosomonas.
  
  Starting in 2014, it was being tested by the biotech company AOBiome for its possible health benefits on skin. AOBiome started a Phase II trial of an intranasal formulation of the bacteria for migraines.
  
  