Plasmid profiles and klebocin types in epidemiologic studies of infections byKlebsiella pneumoniae

  • S. Walia
  • T. Madhavan
  • P. Reuman
  • R. Tewari
  • D. Duckworth
Current Topic: Article


The epidemiological methods of klebocin typing, antibiogram and plasmid DNA profile were evaluated using organisms isolated from a suspected epidemic of gentamicin-resistantKlebsiella pneumoniae and unrelated strains from different geographical areas as controls. The electrophoretic analysis of plasmid DNAs fromKlebsiella pneumoniae showed the presence of at least one and up to as many as seven plasmids in each strain. The molecular weight of plasmid DNAs ranged from 1 to >70 mega daltons. While none of the controlKlebsiella pneumoniae strains showed identical plasmid profiles, 63 % of the epidemic-relatedKlebsiella pneumoniae strains did. Klebocin typing and plasmid DNA profile gave different results for the same strains. Plasmid DNA profile was found to be a more valuable method than klebocin typing alone or klebocin typing in combination with antibiogram for differentiating epidemiologically related from unrelated isolates. Both plasmid DNA profile and klebocin typing methods were superior to antibiogram.


Molecular Weight Internal Medicine Epidemiologic Study Geographical Area Typing Method 
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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1988

Authors and Affiliations

  • S. Walia
    • 1
    • 2
  • T. Madhavan
    • 2
  • P. Reuman
    • 3
  • R. Tewari
    • 1
  • D. Duckworth
    • 3
  1. 1.Microbiology Division, Department of Biological SciencesOakland UniversityRochesterUSA
  2. 2.Infectious Diseases Unit, Department of MedicineProvidence HospitalSouthfieldUSA
  3. 3.Department of Medical Microbiology and ImmunologyUniversity of FloridaGainesvilleUSA

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