Table 1.

List of strains used in this work.

Species	Strain
Salmonella enterica subsp. enterica	ATCC13311
S. enterica	LBMM 10/CECT 952
S. enterica	LBMM 12/CECT 4141
E. coli	LBMM 288/CECT 4783
E. coli	LBMM 340/ CECT 4054
Campylobacter coli	LMG 6440T
Campylobacter jejuni subsp. jejuni	LMG 8841
Staphylococcus aureus subsp. aureus	LMG 22525
Listeria monocytogenes	LMG 23356
Listeria monocytogenes	LBMM 70/CECT 932
L. innocua	CECT 910, CECT 4030

Strains were kindly provided by David Rodriguez-Lazaro, Itacyl, Valladolid, Spain (CECT collection) and by Federico Baruzzi, CNR-ISPA, ITEM strain collection, Bari, Italy.