Abstract
Bacteriological properties of 50 isolates of Bordetella bronchiseptica were compared. Phase variation, which involved colonial morphology and its associated characters of hemagglutination, hemolysis, acriflavine agglutination; crystal violet staining, flagellation, and fimbriation, occurred among these isolates. Organisms representing the three observed morphotypes did not have different growth rates, nor were any differences in their bacteriological characteristics observed after repeated subculture on agar. There were also variations in antimicrobial drug susceptibility, especially to sulfonamide-trimethoprim, and in nitrate reduction. The relationships among these variable parameters were not apparent. None of the observed variations could be attributed to differences in the species of origin.
MeSH Terms
Animals
Anti-Bacterial Agents/pharmacology
Bordetella/drug effects,isolation & purification,ultrastructure
Cats
Dogs/microbiology
Drug Resistance, Microbial
Flagella/ultrastructure
Genetic Variation
Guinea Pigs
Rats
Chemicals
Anti-Bacterial Agents
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Bemis D A
Greisen H A
Appel M J
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