TABLE 4.

Distribution of carbohydrate utilization gene clusters of W3110 in 22 pathogenic strains

Gene clustera	Major substrate	O157 Sakai	EHEC	EPEC-1	EPEC-2	EPEC-3	EPEC-4	EPEC-5	EPEC-6	EPEC-7	ETEC-1	ETEC-2	EIEC-1	EIEC-2	EIEC-3	EIEC-4	UPEC-1	UPEC-2	UPEC-3	REPEC	SF	SB	SS
araDABC	l-Arabinose	+b	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
lacAYZ1	Lactose	+	[−]	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	−	−	[−]
clibGFRACB	N,′N-Diacetyl- chitobiose	[−]	+	+	+	+	+	+	+	+	+	[−]	+	[−]	+	+	[−]	+	+	+	+	+	+
manXYZ	d-Mannose	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
araHGF	l-Arabinose	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
mglCBA, galS	β-d-Galactoside	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	[−]	+
srlABD, gutM, srlR	Glucitol	+	+	+	[−]	−	+	+	+	−	+	+	+	+	+	+	+	+	+	+	+	+	+
ascGFB	Disachharide	+	+	+	−	−	+	+	+	−	+	+	+	+	+	+	+	+	−	+	[−]	[−]	+
fucOAPIKUR	l-Fucose	+	+	+	+	+	+	+	+	+	+	+	+	[−]	[−]	[−]	+	+	+	+	+	+	+
cmtAB	Uncertain	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	−	+	+
agaRZVWASYBCDI	N-Acetylgalac- tosamine	+	+	+	+	+	+	+	+	+	+	+	+	[−]	[−]	−	+	+	+	+	[−]	+	−
xylBAFGHR	d-Xylose	+	+	+	+	+	+	+	+	+	[−]	+	+	+	+	+	+	+	+	+	+	+	[−]
imlADR	Mannitol	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
glvGBC	Uncertain	+	+	+	+	−	+	+	−	−	+	+	+	+	+	+	−	−	−	+	+	+	+
dgoTAKR	d-Galactonate	−	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
bglBFG	Disaccharide	−	+	+	+	+	+	+	+	+	+	+	[−]	−	+	+	+	+	+	+	+	−	+
frvRXBA	Uncertain	+	+	+	+	[−]	+	+	−	+	+	+	+	−	+	[−]	−	−	−	+	[−]	+	+c
rhaDABSRT	l-Rhamnose	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
malGFEKLM	Maltose	+	+	+	+	+	+	+	+	+	+	+	+	−	+	+	+	+	+	+	+	+	+
alsKECAB, rpiB	d-Allose	−	−	+	+	+	+	+	+	−	+	+	+	−	−	−	+	+	+	+	−	−	−
metRAB	Melibiose	+	+	+	+	[−]	+	+	[−]	−	+	+	+	+	+	+	[−]	[−]	[−]	+	+	+	+
sgaTBAHUE	Uncertain	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
treCBR	Trehalose	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
sgcREAQCX	Uncertain	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−

^aGenes are arranged in clockwise order on the W3100 genome sequence.

^b+, all genes were conserved; [−], genes were partially lost; −, all genes were missing.

^cDNA spots of frvX gave invalid data when labeled S. sonnei genome DNA was used.