Identification Methods: DNA Fingerprinting: Pulsed-Field Gel Electrophoresis for Subtyping of Foodborne Pathogens

Tansy Peters*, Ian Fisher

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    Abstract

    Pulsed-field gel electrophoresis (PFGE) was developed for separating and analyzing macrorestriction fragments of DNA in an alternating, homogenous electric field. Comparison of the electrophoretic banding profiles after digestion of intact bacterial DNA with restriction endonucleases is a useful epidemiological tool. Computer-assisted data analysis of PFGE subtypes has aided in many epidemiological studies and in tracing routes and sources of contamination in the food industry. For many foodborne disease infections, PFGE using a contour-clamped homogenous electric field (CHEF) is a still the gold standard for subtyping the implicated pathogens.

    Original languageEnglish
    Title of host publicationEncyclopedia of Food Microbiology
    Subtitle of host publicationSecond Edition
    PublisherElsevier Inc.
    Pages267-273
    Number of pages7
    ISBN (Electronic)9780123847331
    ISBN (Print)9780123847300
    DOIs
    Publication statusPublished - 2 Apr 2014

    Bibliographical note

    Publisher Copyright:
    © 2014 Elsevier Ltd. All rights reserved.

    Keywords

    • Alternating electrical field
    • CHEF
    • Foodborne pathogens
    • Molecular epidemiology
    • PFGE

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