Table 3.

Summary of composition and constitution of WTAs from different Listeria species and serovars

The abbreviations used are: GlcNAc, N-acetylglucosamine; Rha, rhamnose; Rbo, ribitol; OAc, O-acetyl group; Gro, glycerol; Glc, glucose; Gal, galactose.

Species	Strain (WSLC)	Source	SV	WTA decorationa	GlcNAc substitution at Rbo	Degree of O-acetylation of GlcNAc	Linkage unit
						%
L. monocytogenes	EGDe	ATCC BAA-679	1/2a	Pendant GlcNAc/Rha, Rbo	C2	0	Glc-Glc-glycerol
L. monocytogenes	10403S	D. Portnoy	1/2a	Pendant GlcNAc/Rha, Rbo	C2	0	Glc-Glc-glycerol
L. monocytogenes	1485	Soft cheese	3a	Pendant GlcNAc, Rbo	C2	0	Glc-Glc-glycerol
L. monocytogenes	1034	SLCC2482	7	Pendant hexose, Rbo	None	0	Glc-Glc-glycerol
L. monocytogenes	1020	ATCC19114	4a	Incorporated GlcNAc, Rbo	C2	25	GlcNAc-glycerol
L. monocytogenes	1042	ATCC23074	4b	Incorporated GlcNAc, Gal, Glc, Rbo	C4	26	Glc-GlcNAc-glycerol
L. monocytogenes	1363	This study	4b	Incorporated GlcNAc, Gal, Glc, Rbo	C4	28	Glc-GlcNAc-glycerol
L. monocytogenes	1019	ATCC19116	4c	Incorporated GlcNAc, Gal, Rbo,	C2	21	GlcNAc-glycerol
L. monocytogenes	1033	ATCC19117	4d	Incorporated GlcNAc, Glc, Rbo	C4	26	Glc-GlcNAc-glycerol
L. ivanovii	3009	SLCC 4769	5	Incorporated GlcNAc, Glc, Rbo	C2	15	GlcNAc-glycerol
L. innocua	2011	ATCC33090	6a	Incorporated GlcNAc, GlcNAc, Gal, Rbo	C4	48	OAc-GlcNAc-glycerol
L. innocua	2012	ATCC33091	6b	Incorporated GlcNAc, Glc, Rbo	C2	14	GlcNAc-glycerol

^a a, the incorporated GlcNAc refers to a GlcNAc residue that is integrated into polyribitol-phosphate while forming the repeating unit and b, pendant GlcNAc refers to a GlcNAc residue without any substitution.