#bacteria__bacterium  single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
  supertype:  #microorganism  any organism (animal or plant) of microscopic size
  subtype:  #acidophil__acidophile  an organism that thrives in a relatively acid environment
  subtype:  #bacteroid  any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants
  subtype:  #bacteroid.bacteria  a rodlike bacterium of the genus Bacteroides
  subtype:  #genus_Calymmatobacterium__Calymmatobacterium  a genus of bacterial rods containing only the one species that causes granuloma inguinale
  subtype:  #gonococcus__Neisseria_gonorrhoeae  the pus-producing bacterium that causes gonorrhea
  subtype:  #nitrobacterium  any of the bacteria in the soil that take part in the nitrogen cycle; they oxidize ammonium compounds into nitrites or oxidize nitrites into nitrates
     subtype:  #nitrate_bacterium__nitratebacterium__nitric_bacterium  any of the nitrobacteria that oxidize nitrites into nitrates
     subtype:  #nitrite_bacterium__nitritebacterium__nitrous_bacterium__nitrousbacterium  any of the nitrobacteria that oxidize ammonia into nitrites
  subtype:  #penicillin-resistant_bacteria  bacteria that are unaffected by penicillin
  subtype:  #rod.bacteria  any rod-shaped bacterium
     subtype:  #streptobacillus__streptobacillu  any of various rod-shaped gram-negative bacteria
  subtype:  #diplococcus__diplococcu  gram-positive bacteria usually occurring in pairs
     subtype:  #pneumococcus__Diplococcus_pneumoniae  bacteria causing pneumonia
  subtype:  #Rickettsia  any of a group of parasitic bacteria that live in arthropods (as ticks and mites) and can cause disease if transmitted to human beings

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