Table III.

The profiles of virulence genes in strains of L. monocytogenes isolated from milk and from the blood.

Profile	Virulence genes	Number of strains	The strain identification number
Strains isolated from milk
I	hlyA, plcB	2	4, 63
II	hlyA, iap, plcB	2	7, 29
III	hlyA, inlB, plcB	2	199, 231
IV	actA, hlyA, plcB	2	282, 317
V	actA, hlyA, plcB, prfA	2	76, 185
VI	actA, hlyA, iap, plcB, prfA	2	143,368
VII	actA, hlyA, iap, inlA, inlB, plcA, plcB, prfA	2	372, 375
VIII	actA, hlyA, inlA, plcB	1	267
IX	actA, hlyA, inlA, plcA, plcB	1	344
X	actA, hlyA, plcA, plcB, prfA	1	251
XI	actA, hlyA, inlA, inlB, plcA, plcB, prfA	1	112
Strains isolated from the blood
I	actA, hlyA, iap, inlA, inlB, plcA, plcB, prfA	5	1, 2, 5, 6, 9
II	actA, hlyA, iap	1	4
III	actA, hlyA, iap, prfA	1	10
IV	hlyA, inlA, plcA, plcB, prfA	1	3
V	hlyA, inlA, inlB, plcA, plcB, prfA	1	8
VI	actA, hlyA, inlA, inlB, plcA, plcB, prfA	1	7