Lipopolysaccharides (LPS) are the main components of the outer membrane of Gram-negative bacteria. They are glycolipids containing a lipid moiety called lipid A, more often made of a bis-phosphorylated glucosamine disaccharide, carrying fatty acids in ester and amide linkages. Lipid A is linked to a core oligosaccharide of about 10 sugars, substituted in the wild-type strains, by long-chain oligosaccharide repetitive units, extending outside the bacteria and representing their main antigens. In addition to determine the serotype of the bacterium, LPS are highly potent biological molecules, capable of eliciting at the level of minute amounts, beneficial, as well as deleterious activities.
Lipopolysaccharide, serology, endotoxins, inflammation, structure-activity
Publication DOI: 10.1051/ocl/2020025Publisher: France: EDP Sciences (ISSN: 22726977, 22576614)
Correspondence: martine.caroff@lpsbiosciences.com
Institutions: LPS-BioSciences, Paris-Saclay University, Orsay, France, Hephaistos-Pharma, Paris-Saclay University, Orsay, France
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