Table 1 Primers used for PCR amplification of virulence genes from Listeria monocytogenes isolates

Primer	Size (bp)	Sequence (5´ to 3´)	Reference
inlA	255	F : CCTAGCAGGTCTAACCGCACR : TCGCTAATTTGGTTATGCCC	Mathakiya et al., 2009
inlB	146	F : AAAGCACGATTTCATGGGAGR : ACATAGCCTTGTTTGGTCGG	Corantin et al., 2005
hlyA	174	F : GCATCTGCATTCAATAAAGAR : TGTCACTGCATCTCCGTGGT	Wesley et al., 2002
actA	268(385)	F : GACGAAAATCCCGAAGTGAAR : CTAGCGAAGGTGCTGTTTCC	Jaradat et al., 2002
plcB	261	F : GGGAAATTTGACACAGCGTTR : ATTTTCGAAGGTAGTCCGCTTT	Corantin et al., 2005

PCR, Polymerase chain reaction.