#bacteria_genus  a genus of bacteria
  supertype:  genus__genu  (biology) taxonomic group containing one or more species
  member of:  division_Eubacteria
  subtype:  genus_Aerobacter__Aerobacter  aerobic bacteria widely distributed in nature
  subtype:  genus_Rhizobium__Rhizobium  the type genus of Rhizobiaceae; usually occur in the root nodules of legumes; can fix atmospheric oxygen
  subtype:  genus_Agrobacterium__Agrobacterium  small motile bacterial rods that can reduce nitrates and cause galls on plant stems
  subtype:  genus_Bacillus  type genus of the Bacillaceae; includes many saprophytes important in decay of organic matter and a number of parasites
  subtype:  genus_Clostridium  anaerobic or micro-aerophilic rod-shaped or spindle-shaped saprophytes; nearly cosmopolitan in soil, animal intestines, and dung
  subtype:  genus_Nostoc  type genus of the family Nostocaceae: freshwater blue-green algae
  subtype:  genus_Trichodesmium  a genus of blue-green algae
  subtype:  genus_Pseudomonas__Pseudomonas  type genus of the family Pseudomonodaceae
  subtype:  genus_Xanthomonas__Xanthomonas  a genus of bacteria similar to Pseudomonas but producing a yellow pigment that is not soluble in water
  subtype:  family_Nitrobacteriaceae__Nitrobacteriaceae  usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria
  subtype:  genus_Nitrobacter__Nitrobacter  rod-shaped soil bacteria
  subtype:  genus_Nitrosomonas__Nitrosomonas  ellipsoidal soil bacteria
  subtype:  genus_Thiobacillus  a genus of bacteria
  subtype:  genus_Spirillum  a genus of bacteria
  subtype:  genus_Vibrio  a genus of bacteria
  subtype:  genus_Bacteroides__Bacteroides  type genus of Bacteroidaceae; genus of gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals
  subtype:  genus_Escherichia  a genus of bacteria
  subtype:  genus_Klebsiella  a genus of bacteria
  subtype:  genus_Salmonella  a genus of bacteria
  subtype:  genus_Shigella  a genus of bacteria
  subtype:  genus_Erwinia  a genus of bacteria
  subtype:  genus_Rickettsia  can cause typhus and Rocky Mountain spotted fever in humans
  subtype:  genus_Chlamydia  type genus of the family Chlamydiaceae: disease-causing parasites
  subtype:  genus_Mycoplasma  type and sole genus of the family Mycoplasmataceae
  subtype:  genus_Actinomyces  type genus of the family Actinomycetaceae
  subtype:  genus_Streptomyces  type genus of the family Streptomycetaceae
  subtype:  genus_Mycobacterium  nonmotile gram-positive aerobic bacteria
  subtype:  genus_Polyangium__Polyangium  type genus of the family Polyangiaceae: myxobacteria with rounded fruiting bodies enclosed in a membrane
  subtype:  genus_Micrococcus__Micrococcus  type genus of the family Micrococcaceae
  subtype:  genus_Staphylococcus  includes many pathogenic species
  subtype:  genus_Lactobacillus  type genus of the family Lactobacillaceae
  subtype:  genus_Diplococcus  a genus of bacteria
  subtype:  genus_Streptococcus  a genus of bacteria
  subtype:  genus_Spirochaeta__Spirochaeta  type genus of the family Spirochaetaceae; flexible undulating chiefly aquatic bacteria
  subtype:  genus_Treponema  type genus of Treponemataceae: anaerobic spirochetes with an undulating rigid body; parasitic in warm-blooded animals
  subtype:  genus_Borrelia  small flexible parasitic spirochetes having three to five wavy spirals
  subtype:  genus_Leptospira  very slender aerobic spirochetes; free-living or parasitic in mammals

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