Related Experiment Video
Updated: Jun 23, 2026

Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility
Published on: March 11, 2022
N-linked glycosylation in bacteria: an unexpected application
Rebecca H Langdon1, Jon Cuccui, Brendan W Wren
1Department of Infectious & Tropical Diseases, London School of Hygiene & Tropical Medicine, Keppel Street, London WC1E7HT, UK.
Glycoproteins, once thought exclusive to eukaryotes, are now found in all life domains. Transferring N-linked glycosylation to Escherichia coli enables recombinant glycoprotein production for applications like vaccine development.
Area of Science:
- Microbiology
- Biochemistry
- Glycobiology
Background:
- Glycoproteins were traditionally considered exclusive to eukaryotes and archaea.
- Recent findings reveal glycoproteins are present across all domains of life.
- N-linked glycosylation in epsilon-proteobacteria is a key area for studying this process in bacteria.
Purpose of the Study:
- To understand N-linked glycosylation in bacteria.
- To enable recombinant glycoprotein production in a model bacterium.
- To explore glycoengineering applications, including vaccine development.
Main Methods:
- Transfer of N-linked glycosylation systems.
- Utilizing Escherichia coli as a host system.
- Production of recombinant glycoproteins.
Main Results:
- Successful transfer of N-linked glycosylation systems to Escherichia coli.
- Enabling the production of recombinant glycoproteins.
- Opening avenues for glycoengineering and tailor-made glycoproteins.
Conclusions:
- N-linked glycosylation is not exclusive to eukaryotes.
- Escherichia coli is a viable host for producing recombinant glycoproteins.
- Glycoengineering holds promise for developing novel glycoconjugate vaccines.
Related Concept Videos
Oligosaccharide Assembly
Multiple sugar molecules that may or may...
Proteoglycans
Protein Glycosylation
Glycosylation occurs in...
Protein Modifications in the RER
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal sequences.
Inhibitors of Gram-positive Cell Wall Synthesis
Biosynthesis in Bacteria
