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Salmonella typhimurium isolated from bacteraemia.

K P Suresh1, P Rao, B Shakunthala

  • 1Department of Microbiology, Kasturba Medical College, Manipal.

Indian Journal of Pathology & Microbiology
|January 1, 1991
PubMed
Summary
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This study analyzed 15 Salmonella typhimurium strains over two years. Most strains were untypable by phage, but nearly all showed multiple drug resistance, highlighting a significant public health concern.

Area of Science:

  • Microbiology
  • Bacteriology
  • Infectious Diseases

Background:

  • Salmonella typhimurium is a significant foodborne pathogen.
  • Antimicrobial resistance in bacteria poses a growing global health threat.
  • Phage typing is a method for differentiating bacterial strains.

Purpose of the Study:

  • To characterize Salmonella typhimurium strains isolated over a two-year period.
  • To determine the phage types and antimicrobial susceptibility patterns of these strains.

Main Methods:

  • Isolation and identification of Salmonella typhimurium strains.
  • Phage typing to classify bacterial isolates.
  • Antimicrobial susceptibility testing using standard antibiotics.

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Main Results:

  • Fifteen Salmonella typhimurium strains were analyzed.
  • Thirteen strains were untypable by standard phage typing methods.
  • Two strains were identified as phage types 76 and 22.
  • All strains were susceptible to Gentamicin and Cephaloridine.
  • Fourteen out of fifteen strains exhibited multidrug resistance.

Conclusions:

  • The majority of Salmonella typhimurium strains isolated were not typable by common phage methods.
  • A high prevalence of multidrug resistance was observed in the analyzed Salmonella typhimurium strains.
  • These findings underscore the need for ongoing surveillance of Salmonella strains and their resistance patterns.