Proteus hauseri
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Enterobacterales
Family: Enterobacteriaceae
Genus: Proteus
Species:
P. hauseri
Binomial name
Proteus hauseri
O'Hara et al., 2000

Proteus hauseri is a Gram-negative, facultatively anaerobic, rod-shaped bacterium.

Identification

Similar to other members of the Enterobacterales order, Proteus hauseri is oxidase negative, catalase positive, glucose fermenting, and nitrate reducing.[1] It shares a similar biochemical profile with Proteus vulgaris but can be differentiated by its ability to produce acid from trehalose.

History

Strains of Proteus vulgaris were historically divided into three biogroups: Biogroup 1 was characterized as negative for indole, salicin fermentation, and aesculin hydrolysis. Biogroup 2 was characterized as positive for indole, salicin, and aesculin. Biogroup 3 was characterized by positive indole production but negative for salicin and aesculin.[2] Taxonomic studies performed on P. vulgaris biogroup 3 in 1976 suggested that this strain was atypical from the two other P. vulgaris subclusters.[3] DNA hybridization performed on P. vulgaris biogroup 3 isolates found four distinct genomospecies, designate genomospecies 3, 4, 5, and 6. These genomospecies are difficult to differentiate phenotypically; however, P. vulgaris genomospecies 3 is unique in that it is negative for Jordan's tartrate and it was thus designated as Proteus hauseri.

References

  1. ↑ Versalovic, James, ed. (2011). Manual of clinical microbiology (10th ed.). Washington, DC: ASM Press. ISBN 978-1-55581-463-2.
  2. ↑ O'Hara, C. M.; Brenner, F. W.; Steigerwalt, A. G.; Hill, B. C.; Holmes, B.; Grimont, P. A.; Hawkey, P. M.; Penner, J. L.; Miller, J. M.; Brenner, D. J. (September 2000). "Classification of Proteus vulgaris biogroup 3 with recognition of Proteus hauseri sp. nov., nom. rev. and unnamed Proteus genomospecies 4, 5 and 6". International Journal of Systematic and Evolutionary Microbiology. 50 Pt 5 (5): 1869–1875. doi:10.1099/00207713-50-5-1869. ISSN 1466-5026. PMID 11034498.
  3. ↑ McKell, J.; Jones, D. (August 1976). "A numerical taxonomic study of Proteus-Providence bacteria". The Journal of Applied Bacteriology. 41 (1): 143–161. doi:10.1111/j.1365-2672.1976.tb00614.x. ISSN 0021-8847. PMID 956066.
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