Table 1.

Currently known glycosyltransferase genes involved in 26695 LPS core-oligosaccharide and O-antigen biosynthesis.

GT Genes	Proposed/Demonstrated Functions	References
HP0279	Hep I transferase, assembling the core-oligosaccharide	[24,32]
HP1191	Hep II transferase, assembling the core-oligosaccharide	[25,33]
HP1284	Hep III transferase, assembling the core-oligosaccharide	[15]
HP1416	Glc transferase, assembling the core-oligosaccharide	[26,27]
HP1581	GlcNAc transferase (WecA), initiating the O-antigen assembly	[15,28]
HP0479	Hep transferase, assembling the Trio motif	[24]
HP0159	Glc transferase, assembling the glucan structure	[22,26,27]
HP1283	Hep transferase, assembling the heptan structure	[29]
HP0826	β(1,4)Gal transferase, assembling the Lewis chain	[11,21]
HP1105	β(1,3)GlcNAc transferase, assembling the Lewis chain	[23]
HP0379	FutA, α(1,3/4)Fuc transferase, assembling the Lewis chain	[30,34,35]
HP0651	FutB, α(1,3/4)Fuc transferase, assembling the Lewis chain	[30,34,35]
HP0093/94	FutC, α(1,2)Fuc transferase, assembling the Lewis chain	[31,34,35,36]