Trisha Shetty (Editor)

Pasteurella

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Kingdom
  
Scientific name
  
Pasteurella

Phylum
  
Proteobacteria

Order
  
Pasteurellales

Family
  
Pasteurellaceae

Higher classification
  
Brucellaceae

Rank
  
Genus

Pasteurella Pasteurella multocida GramNegative Bacteria Pathogen Profile

Similar
  
Bacteria, Haemophilus, Actinobacillus, Bordetella, Proteus

Pasteurella multocida


Pasteurella is a genus of Gram-negative, facultatively anaerobic bacteria. Pasteurella species are nonmotile and pleomorphic, and often exhibit bipolar staining ("safety pin" appearance). Most species are catalase- and oxidase-positive. The genus is named after the French chemist and microbiologist, Louis Pasteur, who first identified the bacteria now known as Pasteurella multocida as the agent of chicken cholera.

Contents

Pasteurella Pasteurella in Cats

Pathogenesis

Pasteurella wwwvetbookorgwikidogimages771Pasteurella01jpg

Many Pasteurella species are zoonotic pathogens, and humans can acquire an infection from domestic animal bites. In cattle, sheep, and birds, Pasteurella species can cause a life-threatening pneumonia; in cats and dogs, however, Pasteurella is not a cause of disease, and constitutes part of the normal flora of the nose and mouth. Pasteurella haemolytica is a species that infects mainly cattle and horses: P. multocida is the most frequent causative agent in human Pasteurella infection. Common symptoms of pasteurellosis in humans include swelling, cellulitis, and bloody drainage at the site of the wound. Infection may progress to nearby joints, where it can cause further swelling, arthritis, and abscesses.

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

Pasteurella Pasteurella multocida

The common occurrence of the bacteria is a reason to be medically proactive and defensive (antibacterial treatments are often necessary) if a bite occurs.

In rabbits

Pasteurella Pasteurella multocida

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.

Antibiotic sensitivity

P. multocida is highly sensitive to enrofloxacin, oxytetracycline, chloramphinicol, and ampicillin.

References

Pasteurella Wikipedia


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