TABLE 1.

Sources, ribogroups, pulsed-field types, serotypes, and plasmid profiles of the L. monocytogenes isolates used in this study

Culture	Sourcea	Ribogroup	ApaI REDP	SmaI REDP	PFGE type	Serotype	Plasmid profile	Large plasmid	Small plasmid	Relative resistanceb
H7764	Deli turkey, Sara Lee outbreak	A	I	I	A	1	A	+	+	R
H7596	Turkey, Sara Lee outbreak	B	II	II	B	4	B	−	+	M
H7762	Franks, Sara Lee outbreak	C	III	III	C	4	A	+	+	R
H7962	Hot dogs, Sara Lee outbreak	C	II	II	B	4	A	+	+	R
N7969	Franks, Sara Lee outbreak	C	III	III	C	4	B	−	+	M
C720	Meat processing plant	D	IV	IV	D	1	A	+	+	M
C719	Meat processing plant	D	IV	IV	D	1	A	+	+	S
C718	Meat processing plant	D	IV	IV	D	1	A	+	+	M
C511	Unknown CRIFS	D	IV	IV	D	1	A	+	+	S
C512	Unknown CRIFS	D	IV	IV	D	1	B	−	+	M
C716	Meat processing plant	E	V	V	E	1	C	+	+	R
C717	Meat processing plant	F	VI	VI	F	1	D	+	+	R
LJH309	Unknown CRIFS	G	VII	VII	G	4	B	−	+	M
LJH385	Outbreak CRIFSG	G	XII	VII	H	4b	B	−	+	M
LJH389	Unknown CRIFS					4b	B	−	+	S
LJH375	Rabbit CRIFS	I	VIII	VIII	I	1/2a	B	−	+	S
LJH377	Meat CRIFS	J	IX	IX	J	1/2d	B	−	+	S
LJH381	Health Canada CRIFS	K	X	X	K	4b rough	B	−	+	S
C509	Unknown CRIFS	L	XI	XI	L	4	E	+	+	M

^aCRIFS, Canadian Research Institute for Food Safety.

^bDeterminations are based on MIC results for BCl. R, resistant (MIC ≥ 5 μg/ml); S, sensitive (MIC ≤ 0.78 μg/ml); M, moderate sensitivity (MIC = 0.8 to 4.9 μg/ml).