Proteus mirabilis

Proteus mirabilis is a Gram-negative, facultatively anaerobic, rod-shaped bacterium. The bacteria is widely found throughout the environment, predominately soil and water, as well as part of the normal flora of the human gastrointestinal tract.


  • Order: Enterobacteriales
  • Family: Enterobacteriaceae
  • Genus: Proteus


  • Humans
  • dogs
  • cats
  • chickens
  • turkeys
  • ducks
  • geese