Table 1: Reference strains of E. coli used in IMS sensitivity and specificity experiments

Table 1: Reference strains of E. coli used in IMS sensitivity and specificity experiments

Strain name	Origin	Year of isolation	O serotype	Presence of gene:		Literature/source
Strain name	Origin	Year of isolation	O serotype	stx1	stx2	Literature/source
K-H-1	Human, Korea	1995	O143	-	-	[27]
K-H-2	Human, Korea	1995	O166¹	-	-	[27]
M47	Beef, Malaysia	1997	OUT²	-	-	Laboratory stock
PE-7	Human, Brazil	1989	O126	-	-	[29]
KETE	Human, USA	Unknown	O6	-	-	[30]
KEIE	Human, Thailand	1991-1992	O124	-	-	[31]
EDL993	Human, USA	1982	O157	+	+	[32]
PV11-004	Human, Japan	2011	O91	+	-	Laboratory stock
PV11-006	Human, Japan	2011	O26	+	-	Laboratory stock
PV11-035	Human, Japan	2011	O145	-	+	Laboratory stock
PV10-104	Human, Japan	2010	O103	+	-	Laboratory stock
PV08-103	Human, Japan	2008	O111	+	+	Laboratory stock

¹Reported as OUT in the indicated literature, but subsequently determined to be O166 by the author (A.Y.K.).
²OUT: untypable for O serogroup.