Issue 17, 2003

Large-scale synthesis of globotriose derivatives through recombinant E. coli

Abstract

The carbohydrate chains decorating cell membranes and secreted proteins participate in a range of important biological processes. However, their ultimate significance and possible therapeutic potential have not been fully explored due to the lack of economical methods for their production. This study is an example of the use of a genetically engineered bacterial strain in the preparation of diverse oligosaccharides. Based on an ex vivo biosynthetic pathway, an artificial gene cluster was constructed by linking the genes of five associated enzymes on a plasmid vector. This plasmid was inserted into the E. coli NM522 strain to form globotriose-producing cells (‘superbug’ pLDR20-CKTUF). The specific strain was conveniently applied to the synthesis of globotriose trisaccharide and its derivatives, as potential neutralizers for Shiga toxin. This work demonstrates a novel and economical method for generating ligand diversity for carbohydrate drug development.

Graphical abstract: Large-scale synthesis of globotriose derivatives through recombinant E. coli

Supplementary files

Article information

Article type
Paper
Submitted
06 May 2003
Accepted
30 Jun 2003
First published
24 Jul 2003

Org. Biomol. Chem., 2003,1, 3048-3053

Large-scale synthesis of globotriose derivatives through recombinant E. coli

J. Zhang, P. Kowal, X. Chen and P. George Wang, Org. Biomol. Chem., 2003, 1, 3048 DOI: 10.1039/B304911F

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