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Related Experiment Videos

Genotyping of Clostridium difficile isolates

J Silva1, Y J Tang, P H Gumerlock

  • 1Department of Internal Medicine, School of Medicine, University of California, Davis Medical Center, Sacramento 95817.

The Journal of Infectious Diseases
|March 1, 1994
PubMed
Summary
This summary is machine-generated.

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Arbitrarily primed polymerase chain reaction (AP-PCR) identified four main types of Clostridium difficile. This molecular typing method shows promise for tracking C. difficile infections in epidemiological studies.

Area of Science:

  • Microbiology
  • Molecular Biology
  • Epidemiology

Background:

  • Clostridium difficile is a significant cause of healthcare-associated infections.
  • Accurate molecular typing is crucial for understanding C. difficile transmission dynamics.

Purpose of the Study:

  • To evaluate the utility of Arbitrarily Primed Polymerase Chain Reaction (AP-PCR) for genotyping Clostridium difficile isolates.
  • To identify molecular types of C. difficile from diverse sources.

Main Methods:

  • Genotyping of Clostridium difficile isolates using Arbitrarily Primed Polymerase Chain Reaction (AP-PCR).
  • Analysis of DNA banding patterns to determine molecular types and subgroups.

Main Results:

  • Four major molecular types of C. difficile were identified across various sources, including clinical and environmental isolates.

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  • Subgroups within major types were distinguished by unique DNA bands.
  • Identical DNA banding patterns were observed in two isolates from patients hospitalized concurrently, suggesting potential cross-infection.

    • Conclusions:

    • AP-PCR is a valuable tool for differentiating Clostridium difficile strains.
    • The AP-PCR method can aid in epidemiological investigations of C. difficile infections.
    • Findings highlight the potential for hospital-acquired transmission of C. difficile.