Affiliation:
1. Centers for Disease Control and Prevention, Atlanta, Georgia
Abstract
ABSTRACT
We developed a rapid pulsed-field gel electrophoresis (PFGE) protocol for subtyping
Campylobacter
isolates based on the standardized protocols used by PulseNet laboratories for the subtyping of other food-borne bacterial pathogens. Various combinations of buffers, reagents, reaction conditions (e.g., cell suspension concentration, lysis time, lysis temperature, and restriction enzyme concentration), and electrophoretic parameters were evaluated in an effort to devise a protocol that is simple, rapid, and robust. PFGE analysis of
Campylobacter
isolates can be completed in 24 to 30 h using this protocol, whereas the most widely used current protocols require 3 to 4 days to complete. Comparison of PFGE patterns obtained in six laboratories showed that subtyping results obtained using this protocol are highly reproducible.
Publisher
American Society for Microbiology
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