An atypical strain of Pasteurella gallinarum: pathogenic, phenotypic, and genotypic characteristics.

R. Droual, R. L. Walker, H L Shivaprasad, J. S. Jeffrey, C. U. Meteyer, Richard P Chin, D. P. Shapiro

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

The pathogenicity of a strain of Pasteurella gallinarum isolated in Fresno County, Calif., was compared with the American Type Culture Collection (ATCC) strain. Broiler chickens were inoculated intranasally with 10(7) colony-forming units (CFU) and intramuscularly with 10(5) CFU of each strain. The only notable lesions were in chickens inoculated intramuscularly with 10(5) CFU of the Fresno strain, which developed severe myositis at the inoculation site, pericarditis, perihepatitis, airsacculitis, and synovitis. P. gallinarum was reisolated from these lesions. Phenotypic characteristics of the two strains were identical except in reactions in ONPG broth and fermentation of xylose. Protein-banding patterns for the two strains were identical except for a single band difference in the 35-kilodalton region. Restriction endonuclease analysis confirmed that the Fresno strain was a distinct one. Plasmid analysis revealed that the ATCC strain had two plasmids and the Fresno strain had none.

Original languageEnglish (US)
Pages (from-to)693-699
Number of pages7
JournalAvian Diseases
Volume36
Issue number3
StatePublished - Jul 1992

ASJC Scopus subject areas

  • Cancer Research
  • Immunology
  • veterinary(all)

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    Droual, R., Walker, R. L., Shivaprasad, H. L., Jeffrey, J. S., Meteyer, C. U., Chin, R. P., & Shapiro, D. P. (1992). An atypical strain of Pasteurella gallinarum: pathogenic, phenotypic, and genotypic characteristics. Avian Diseases, 36(3), 693-699.