title: Detection of R factors in naturally occurring Aeromonas salmonicida strains.
abstract: R factors were detected in Aeromonas salmonicida strains isolated from diseased salmonid fish. One of such R(+) strains was the one isolated in the United States as early as 1959.
mesh_terms: D000333:Aeromonas / Q000187:drug effects* / Q000302:isolation & purification; D000818:Animals; D002701:Chloramphenicol / Q000494:pharmacology; D004096:Dihydrostreptomycin Sulfate / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D005393:Fish Diseases / Q000382:microbiology; D005827:Genetics, Microbial; D008826:Microbial Sensitivity Tests; D012487:Salmonidae; D013432:Sulfathiazoles / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D013432:Sulfathiazoles; D002701:Chloramphenicol; D013752:Tetracycline; D004096:Dihydrostreptomycin Sulfate