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Protein glycosylation in bacterial mucosal pathogens
Christine M Szymanski1, Brendan W Wren
1Institute for Biological Sciences, National Research Council, Ottawa, Ontario K1A 0R6, Canada. Christine.Szymanski@nrc-cnrc.gc.ca
Nature Reviews. Microbiology
|March 2, 2005
Summary
Bacterial protein glycosylation, once thought eukaryotic, is now reported in bacteria. Studying these systems offers insights into universal glycosylation and potential glycoengineering applications.
Area of Science:
- Microbiology
- Biochemistry
- Glycobiology
Background:
- Protein glycosylation is crucial in eukaryotes for cell recognition and biological processes.
- Previously, glycosylation was believed to be exclusive to eukaryotes.
- Recent advances reveal O-linked and N-linked glycosylation pathways in bacteria, especially mucosal pathogens.
Purpose of the Study:
- To review bacterial glycosylation systems in mucosal pathogens.
- To elucidate bacterial glycoprotein biosynthetic pathways.
- To explore applications in understanding eukaryotic glycosylation and glycoengineering.
Main Methods:
- Review of genetic organization of bacterial glycosylation systems.
- Analysis of diverse glycan structures in bacteria.
- Functional assessment of bacterial glycosylation pathways.
Main Results:
- Identification of widespread O-linked and N-linked glycosylation in bacteria.
- Characterization of genetic basis and structural diversity of bacterial glycans.
- Demonstration of functional roles for bacterial glycosylation.
Conclusions:
- Bacterial glycosylation systems provide simpler models to understand fundamental glycosylation processes.
- Knowledge of bacterial glycosylation can advance eukaryotic glycosylation research.
- Bacterial glycosylation pathways offer potential for novel glycoengineering strategies.