2.4.1.58 construction of a suicide vector 720277 2.4.1.58 expressed in Haemophilus influenzae delta-lic2B 719223 2.4.1.58 expression in Neisseria meningitidis 703886 2.4.1.58 rfaG gene encodes enzyme, use of hybrid ColE1 plasmids containing Escherichia coli genes for glycosyltransferases to introduce enzyme into Salmonella typhimurium strains SL1032/pL10-7 and pLC17-24 lacking enzyme, plasmids are capable of correcting the transferase defect 489300