Anaerobiospirillum spp

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Scanning electron micrograph of A. succiniciproducens showing a spiral shaped organism with polar multitrichous flagella[1]

Anaerobiospirillum spp are a zoonotic bacteria normally found in the feces of dogs and causes diarrhea and bacteremia in humans.

Species which are pathogenic to dogs include:

  • Anaerobiospirillum succiniciproducens[2]
  • Anaerobiospirillum thomasii[3][4]

Coinfections with other fecal biotomes such as Campylobacter spp and Helicobacter spp is common, but the importance of Anaerobiospirillum spp as a diarrheic agent in dogs is debatable[5].

These organisms in dogs are primarily important in a consideration of the zoonotic causes of human diarrhea[6].


  1. Fadzilah MN et al (2009) Anaerobiospirillum succiniciproducens bacteraemia in a patient with acute lymphoblastic leukaemia. J Med Microbiol 58(1):142-143
  2. Kelesidis T (2011) Bloodstream infection with Anaerobiospirillum succiniciproducens: a potentially lethal infection. South Med J 104(3):205-214
  3. Rossi M et al (2008) Occurrence and species level diagnostics of Campylobacter spp., enteric Helicobacter spp. and Anaerobiospirillum spp. in healthy and diarrheic dogs and cats. Vet Microbiol 129(3-4):304-314
  4. Malnick H (1997) Anaerobiospirillum thomasii sp. nov., an anaerobic spiral bacterium isolated from the feces of cats and dogs and from diarrheal feces of humans, and emendation of the genus Anaerobiospirillum. Int J Syst Bacteriol 47(2):381-384
  5. Misawa N et al (2002) Isolation and characterization of Campylobacter, Helicobacter, and Anaerobiospirillum strains from a puppy with bloody diarrhea. Vet Microbiol 87(4):353-364
  6. Goddard WW et al (1998) Anaerobiospirillum succiniciproducens septicaemia: important aspects of diagnosis and management. J Infect 37(1):68-70