Table 1. L. monocytogenes strains used in this study.
Strain | Antibiotic resistance | Serotype a | MLST | Source | Year of isolation | Country |
---|---|---|---|---|---|---|
ScottA | Streptomycin Rifampicin | 4b | ST290 | human isolate | 1983 | USA |
C5 | Streptomycin | 4b (4d, 4e) | ST2 | cow feaces | 2007 | Ireland |
PL25 | Rifampicin | 1/2b (3b, 7) | ST59 | ground pork | 2009 | Greece |
6179 | Rifampicin | 1/2a (3a) | ST121 | cheese | 1999 | Ireland |
a Serovar-specific groups were determined by multiplex PCR. Serotypes in parenthesis were excluded due to MLST classification.