Interpreting streptomycin susceptibility test results for Salmonella enterica serovar Typhimurium

  • Geraldine Doran
  • , Martina NiChulain
  • , Niall DeLappe
  • , Colette O'Hare
  • , Geraldine Corbett-Feeney
  • , Martin Cormican

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

16 Citations (Scopus)

Abstract

Resistance or susceptibility of Salmonella enterica to streptomycin is widely used as an epidemiological marker. However, there is no clear consensus on the interpretation of streptomycin susceptibility test results. Comparison of results obtained with the Clinical and Laboratory Standards Institute (CLSI) disk diffusion method, the minimum inhibitory concentration (MIC) determined by Etest and streptomycin resistance genotype for 90 isolates of S. enterica serovar Typhimurium suggests that appropriate interpretive criteria for MIC results are susceptible at ≤8 mg/L and resistant at ≥16 mg/L. For CLSI disk diffusion, we propose susceptible at a zone diameter ≥13 mm and resistant at ≤10 mm.

Original languageEnglish
Pages (from-to)538-540
Number of pages3
JournalInternational Journal of Antimicrobial Agents
Volume27
Issue number6
DOIs
Publication statusPublished - 1 Jun 2006

Keywords

  • Disk diffusion
  • MIC
  • Resistance
  • Resistance genotype
  • Salmonella Typhimurium
  • Streptomycin

Authors (Note for portal: view the doc link for the full list of authors)

  • Authors
  • Doran, G;NiChulain, M;DeLappe, N;O'Hare, C;Corbett-Feeney, G;Cormican, M

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