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Oligosaccharides present on the surface of pathogenic bacteria play an important role in their interaction with their host. Bacteria with altered cell surface structures can be used to study these interactions, and glycoengineering represents a tool to display a glycoepitope on a different bacterium. Here, we present non-pathogenic Escherichia coli and(More)
We have previously reported the large-scale synthesis of neolactotetraose (Galbeta-4GlcNAcbeta-3Galbeta-4Glc) from lactose in engineered Escherichia coli cells (Priem B, Gilbert M, Wakarchuk WW, Heyraud A and Samain E. 2002. A new fermentation process allows large-scale production of human milk oligosaccharides by metabolically engineered bacteria.(More)
We recently described the design of Escherichia coli K12 and Salmonella enterica sv Typhimurium to display the gangliomannoside 3 (GM3) antigen on the cell surface [1]. We report here the fucosylation of modified lipooligosaccharide in a recombinant E.coli strain with a truncated lipid A core due to deletion of the core glycosyltransferases genes waaO and(More)
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