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ε-Poly-l-lysine (ε-PL) is a natural antimicrobial poly-cationic peptide, and it has been widely used as a food preservative. However, the detailed antimicrobial mechanism of ε-PL remains unclear. Currently, it is widely accepted that membrane disruption is its main antimicrobial mode of action, but its effect on the cell membrane composition and fluidity remains unclear. In this study, we investigated...
Shiga toxin-producing Escherichia coli (STEC) O157 is an important foodborne pathogen. The aims of this study were to determine genetic relatedness of STEC O157 isolated from foods in China. STEC O157 isolates from food were characterized by virulence gene typing, antibiotyping, Multi-locus sequence typing (MLST), pulsed-field gel electrophoresis analysis (PFGE), Multi-locus variable number tandem...
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