Abstract
Pulsed-field gel electrophoresis (PFGE) is one of the most effective genotyping methods for the study of genetic relatedness of microorganisms as well as for epidemiologic investigation of outbreaks caused by pathogenic bacteria, including Staphylococcus aureus. The technique relies on the size patterns of large DNA fragments generated by the cleavage of intact bacterial chromosomes with a rare cutting restriction enzyme, and subsequently resolved by pulsed-field electrophoresis with periodic changes of the orientation of the electrical field across the gel. The high discriminatory power, improved reproducibility by standardization of experimental protocols and data analysis guidelines, and establishment of a national PFGE database of S. aureus profiles have made it a valuable means for global tracking of S. aureus infection sources and determination of genetic relatedness of the strains.
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He, Y., Reed, S. (2020). Pulsed-Field Gel Electrophoresis Typing of Staphylococcus aureus Strains. In: Ji, Y. (eds) Methicillin-Resistant Staphylococcus Aureus (MRSA) Protocols. Methods in Molecular Biology, vol 2069. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9849-4_5
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DOI: https://doi.org/10.1007/978-1-4939-9849-4_5
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