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Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Pasteurellales
Family: Pasteurellaceae
Genus: Pasteurella
Trevisan 1887

P. aerogenes
P. anatis
P. avium
P. bettyae
P. caballi
P. canis
P. dagmatis
P. gallicida
P. gallinarum
P. granulomatis
P. langaaensis
P. lymphangitidis
P. mairii
P. multocida
P. oralis
P. pneumotropica
P. skyensis
P. stomatis
P. testudinis
P. trehalosi
P. ureae
P. volantium

Pasteurella is a genus of Gram-negative, facultatively anaerobic bacteria.[1][2] Pasteurella species are nonmotile and pleomorphic. Most species are catalase- and oxidase-positive.[3]


See: Pasteurellosis

Many Pasteurella species are zoonotic pathogens, and humans can acquire an infection from domestic pet bites.[4][5] P. multocida is the most frequent causative agent in human Pasteurella infection.[6] Common symptoms of pasteurellosis in humans include swelling, cellulitis, and bloody drainage at the site of the wound. Infections may progress to nearby joints where it can cause swelling and arthritis.

Pasteurella spp. are generally susceptible to chloramphenicol, the penicillins, tetracycline, and the macrolides.

Pasteurella cells occur in many cats' mouths, a large percentage of dogs' mouths, and frequently in rabbits. This is in perfectly normal and otherwise healthy animals. The common occurrence of the bacteria is a reason to be medically proactive and defensive (antibacterial treatments are often necessary) if a bite occurs.[7]

In rabbits[edit]

P. multocida is also known to cause morbidity and mortality in rabbits. The predominant syndrome is upper respiratory disease. P. multocida can be endemic among rabbit colonies and is often transmitted through nasal secretions. P. multocida can survive several days in water or moist areas.[8]


  1. ^ "Pasteurella". List of Prokaryotic Names with Standing in Nomenclature. Retrieved 2006-04-06. 
  2. ^ Kuhnert P; Christensen H (editors). (2008). Pasteurellaceae: Biology, Genomics and Molecular Aspects. Caister Academic Press. ISBN 978-1-904455-34-9 . 
  3. ^ Health Protection Agency (2007). Identification of Pasteurella species and morphologically similar bacteria (.pdf). National Standard Method BSOP ID 13 Issue 2.1.
  4. ^ "Pasteurella". Introduction To Clinical Microbiology. Archived from the original on 2006-01-16. Retrieved 2006-04-06. 
  5. ^ Mark A Marinella, MD. "Community-Acquired Pneumonia Due to Pasteurella multocida". 
  6. ^ Collins FM (1996). Pasteurella, Yersinia, and Francisella. In: Baron's Medical Microbiology (Barron S et al., eds.) (4th ed. ed.). Univ of Texas Medical Branch. (via NCBI Bookshelf) ISBN 0-9631172-1-1. 
  7. ^ "Pets and Pasteurella Infections". healthy June 27, 2012. Retrieved July 18, 2012. 
  8. ^ Barbara Deeb, DVM, MS Assistant Professor Dept. of Comparative Medicine University of Washington. "Pasteurella multocida Infection in Rabbits". 

External links[edit]