Article
Stability of multiple-locus variable-number tandem repeats in Salmonella enterica serovar typhimurium.
Journal of clinical microbiology - 1 Sept 2007
Hopkins K L, Maguire C, Best E, Liebana E, Threlfall E J
Abstract excerpt
Variable-number tandem repeats (VNTRs) may evolve so rapidly that multiple profiles emerge during an outbreak. A total of 190 isolates from eight Salmonella enterica serovar Typhimurium outbreaks and 15 isolates from seven patients were analyzed by pulsed-field gel electrophoresis and VNTR typing. Small changes in loci were noted; otherwise, the VNTR profiles were stable during the course of the outbreaks.
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