Table 1

The 19 bacterial strains used in this study

StrainaIsolate origin(s)Description or other strain identification(s)Reference and/or sourceb
L. monocytogenes strains
    FMCC_B-160Environment, food processing plantStrain 19UD12; DSA
    FMCC_B-125HumanStrain ScottA, serotype 4b59; ATO-DLO
    FMCC_B-126UnknownThis study
    FMCC_B-130Food (dairy)This study
    FMCC_B-165Environment, food processing plantStrain 7UD12; DSA
    FMCC_B-129Food (meat)This study
    FMCC_B-164Environment, food processing plantStrain 8UD12; DSA
    FMCC_B-124UnknownStrain NCTC10527, serotype 4bNCTC
    FMCC_B-169Environment, food processing plantStrain 2UD12; DSA
    FMCC_B-166Environment, food processing plantStrain 6UD12; DSA
    FMCC_B-127Food (chicken salad)This study
S. enterica strains
    FMCC_B-17UnknownThis study
    FMCC_B-19UnknownThis study
    FMCC_B-42FoodSerovar EnteritidisThis study
    FMCC_B-56Food (eggs)Serovar Enteritidis, PT4, strain P167807Division of Enteric Pathogens, Central Public Health Laboratory, London, UK
    FMCC_B-62UnknownSerovar Typhimurium, strain DSM554DSMZ
    FMCC_B-67UnknownThis study
    FMCC_B-137Human, salmonellosis outbreakSerovar Typhimurium, strain DT193, multidrug resistant16
    FMCC_B-194UnknownSerovar Typhimurium, strain JH3016 rpsM::gfp+30
  • a The six strains in boldface were the ones selected for biofilm formation on SS coupons and disinfection experiments. FMCC, Food Microbiology Culture Collection of the Laboratory of Microbiology and Biotechnology of Foods, Agricultural University of Athens, Greece.

  • b DSA, collection of the Dipartimento di Scienze Degli Alimenti, Università Degli Studi di Udine, Italy; ATO-DLO, Agrotechnological Research Institute, Wageningen, Netherlands; NCTC, National Collection of Type Cultures; DSMZ, Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH (German Collection of Microorganisms and Cell Cultures).