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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 1598

Elena Alcaide and Esperanza Garay; R-plasmid transfer in Salmonella spp. isolated from wastewater and sewage-contaminated surface waters. Appl.Environ.Microbiol. 48(2):435-438, 1984

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A total of 865 Salmonella isolates from wastewaters and sewage-contaminated natural water were tested for antimicrobial resistance by using NR10 medium and incubation at 43 degrees C. Of the strains, 12.7% were resistant to one or more of the compounds tested, and 30% transferred resistance to and Escherichia coli recipient. The highest minimal inhibitory concentrations were ca. 1,000 mg/ml. Transfer frequencies ranged from 10E-3 to 10E-7.