ISSN 2398-2950      

Enterobacter aerogenes (aerobacter aerogenes)

ffelis
Contributor(s):

Richard Walker

Synonym(s): E. aerogenes


Introduction

Classification

Taxonomy

  • Family: Enterobacteriaceae.
  • Genus: Enterobacter.
  • Tribe: Klebsiellae.
  • Species: aerogenes

Etymology

  • Gk: entero - intestine; bacter - a small rod; aerogenes - gas-producing.

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Clinical Effects

Epidemiology

Lifecycle

  • Reproduces by binary fission in anaerobic or aerobic environment.
  • Does not form spores.
  • May undergo conjugation with other enterobacteria, with transfer of plasmids.

Transmission

  • Exogenous or endogenous infection.
  • Often following wound contamination.

Pathological effects

  • Trauma   →   triggers endogenous (opportunistic) infection   →   pathogenicity.

Diseases

  • Cattle: coliform mastitis.
  • Horse: uterine infections.
  • Pig: occasionally part of mastitis-metritis-agalactia (MMA) syndrome.

Other Host Effects

  • Usually commensal found in water, soil, sewage and gastrointestinal tract.
  • Isolated from tracheal swabs and lungs in healthy dogs.

Control

Control via chemotherapies

Usual susceptibility

Resistance

  • Cephalothin .
  • Ampicillin Ampicillin.
    Antibiotic resistance is a problem as in otherEnterobacteriaceae.

Vaccination

  • None.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Burrows G E, Morton R J & Fales W H (1993) Microdilution antimicrobial susceptibilities of selected gram-negative veterinary bacterial isolates. J Vet Diagn Invest (4), 541-547 PubMed.
  • Russell R G, Slattum M M, Abkowitz J (1988) Filamentous bacteria in oral eosinophilic granulomas of a cat. Vet Pathol 25 (3), 249-250 PubMed.
  • Dow S W, Jones R L, Adney W S (1986) Anaerobic bacterial infections and response to therapy in dogs and cats - 36 cases (1983-1985). JAVMA 189 (8), 930-934 PubMed.
  • Hatton R W (1985) Unfamiliar bacteria isolated from cats. Vet Rec 117 (4), 94 PubMed.

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