Anaerobiospirillum

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Anaerobiospirillum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Bacteria
Kingdom: Pseudomonadati
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Aeromonadales
Family: Succinivibrionaceae
Genus: Anaerobiospirillum
Davis et al. 1976
Type species
Anaerobiospirillum succiniciproducens
Species

Anaerobiospirillum is a genus of Gram-negative, spiral-shaped, obligately anaerobic bacteria in the family Succinivibrionaceae. The genus was first described in 1976 based on the type species Anaerobiospirillum succiniciproducens which was isolated from from the gastrointestinal tract of humans. [1] A second species, Anaerobiospirillum thomasii , was later described in 1997 based on isolates from the feces of domestic animals and humans with diarrhea. [2]

Contents

Ecology

Anaerobiospirillum species have been isolated from the intestinal tracts of various animals, including cats, dogs, and pigs. Occasional human isolates suggest either zoonotic transmission or commensal presence in the human gut under certain conditions.

Clinical relevance

Although generally considered rare pathogens, members of the genus have been associated with human infections, including bacteremia, diarrhea, pyomyositis, and soft tissue infections. Infections are more frequently reported in immunocompromised individuals. [3] [4]

Species

The genus includes two validly published species:

References

  1. ↑ Davis, C. P.; Cleven, D.; Brown, J.; Balish, E. (1976). "Anaerobiospirillum, a new genus of spiral-shaped bacteria". International Journal of Systematic Bacteriology. 26 (4): 498–504. doi:10.1099/00207713-26-4-498.
  2. ↑ 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". International Journal of Systematic Bacteriology. 47 (2): 381–384. doi:10.1099/00207713-47-2-381. PMID   9103623.
  3. ↑ Tee, W.; Korman, T. M.; Waters, M. J.; Macphee, A.; Jenney, A.; Joyce, L.; Dyall-Smith, M. L. (May 1998). "Three cases of Anaerobiospirillum succiniciproducens bacteremia confirmed by 16S rRNA gene sequencing". Journal of Clinical Microbiology. 36 (5): 1209–1213. doi:10.1128/JCM.36.5.1209-1213.1998. PMC   104801 . PMID   9574678.
  4. ↑ Epstein, D. J.; Ernst, K.; Rogers, R.; Carmody, E.; Aguero-Rosenfeld, M. (March 2017). "The Brief Case: Anaerobiospirillum succiniciproducens Bacteremia and Pyomyositis". Journal of Clinical Microbiology. 55 (3): 665–669. doi:10.1128/JCM.01351-16. PMC   5328432 . PMID   28232502.
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