Table 1.
Origins and characteristics of 36 L. monocytogenes strains used in the study.
| Country | Isolate | Origin | Date | Serotype |
|---|---|---|---|---|
| Ireland | IR_227 | Dairy processing environment | 2008 | 1/2a |
| Ireland | IR_728 | Dairy processing environment | 2012 | 1/2a |
| Ireland | IR_872 | Dairy processing environment | 2013 | 1/2a |
| Ireland | IR_873 | Clinical isolate | 2013 | 1/2a |
| Ireland | IR_874 | Clinical isolate | 2013 | 1/2a |
| Ireland | IR_875 | Clinical isolate | 2013 | 1/2a |
| Ireland | IR_250 | Dairy processing environment | 2008 | 4b |
| Ireland | IR_338 | Dairy processing environment | 2008 | 4b |
| Ireland | IR_355 | Dairy processing environment | 2008 | 4b |
| Ireland | IR_876 | Clinical isolate | 2013 | 4b |
| Ireland | IR_877 | Clinical isolate | 2013 | 4b |
| Ireland | IR_878 | Clinical isolate | 2013 | 4b |
| Greece | GR_PL11 | Chicken | 2007 | 1/2a |
| Greece | GR_PL18 | Chicken | 2007 | 1/2a |
| Greece | GR_PL37 | Clinical isolate | 2009 | 1/2a |
| Greece | GR_PL38 | Clinical isolate | 2009 | 1/2a |
| Greece | GR_PL44 | Clinical isolate | 2013 | 1/2a |
| Greece | GR_PL50 | Food isolate | 2013 | 1/2a |
| Greece | GR_PL4 | Dairy farm environment | 2007 | 4b |
| Greece | GR_PL13 | Chicken | 2007 | 4b |
| Greece | GR_PL32 | Clinical isolate | 2009 | 4b |
| Greece | GR_PL41 | Clinical isolate | 2009 | 4b |
| Greece | GR_PL46 | Clinical isolate | 2013 | 4b |
| Greece | GR_FL78 | Meat | 2012 | 4b |
| Australia | AU_2884 | Seafood | 2009 | 1/2a |
| Australia | AU_2919 | Meat processing environment | 2013 | 1/2a |
| Australia | AU_2942 | Dairy food | 2009 | 1/2a |
| Australia | AU_2994 | Vegetable | 2011 | 1/2a |
| Australia | AU_2998 | Meat | 2011 | 1/2a |
| Australia | AU_Lm14-002 | Dairy food | 2014 | 1/2a |
| Australia | AU_2473 | Dairy food | 1998 | 4b |
| Australia | AU_2544 | Clinical isolate | 1994 | 4b |
| Australia | AU_2727 | Meat | 1988 | 4b |
| Australia | AU_2948 | Dairy food | 2010 | 4b |
| Australia | AU_2993 | Dairy processing environment | 2009 | 4b |
| Australia | AU_2995 | Dairy processing environment | 2009 | 4b |