Structural analysis of an unusual bioactive ...
Type de document :
Compte-rendu et recension critique d'ouvrage
DOI :
PMID :
Titre :
Structural analysis of an unusual bioactive N-acylated lipo-oligosaccharide LOS-IV in Mycobacterium marinum
Auteur(s) :
Rombouts, Yoann [Auteur]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Elass, Elisabeth [Auteur]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Biot, Christophe [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Maes, Emmanuel [Auteur]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Coddeville, Bernadette [Auteur]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Burguière, Adeline [Auteur]
Dynamique des interactions membranaires normales et pathologiques [DIMNP]
Tokarski, Caroline [Auteur]
Miniaturisation pour la Synthèse, l’Analyse et la Protéomique - UAR 3290 [MSAP]
Buisine, Eric [Auteur]
Laboratoire de Chimie Organique et Macromoleculaire [UMR CNRS 8009]
Trivelli, Xavier [Auteur]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Kremer, Laurent [Auteur]
Dynamique des interactions membranaires normales et pathologiques [DIMNP]
Guerardel, Yann [Auteur correspondant]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Elass, Elisabeth [Auteur]

Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Biot, Christophe [Auteur]

Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Maes, Emmanuel [Auteur]

Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Coddeville, Bernadette [Auteur]

Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Burguière, Adeline [Auteur]
Dynamique des interactions membranaires normales et pathologiques [DIMNP]
Tokarski, Caroline [Auteur]
Miniaturisation pour la Synthèse, l’Analyse et la Protéomique - UAR 3290 [MSAP]
Buisine, Eric [Auteur]
Laboratoire de Chimie Organique et Macromoleculaire [UMR CNRS 8009]
Trivelli, Xavier [Auteur]

Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Kremer, Laurent [Auteur]
Dynamique des interactions membranaires normales et pathologiques [DIMNP]
Guerardel, Yann [Auteur correspondant]

Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 [UGSF]
Titre de la revue :
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Pagination :
16073-84
Éditeur :
American Chemical Society
Date de publication :
2010-11-17
ISSN :
0002-7863
Discipline(s) HAL :
Sciences du Vivant [q-bio]/Biochimie, Biologie Moléculaire/Biochimie [q-bio.BM]
Résumé en anglais : [en]
Although lipo-oligosaccharides (LOSs) are recognized as major parietal components in many mycobacterial species, their involvement in the host-pathogen interactions have been scarcely documented. In particular, the biological ...
Lire la suite >Although lipo-oligosaccharides (LOSs) are recognized as major parietal components in many mycobacterial species, their involvement in the host-pathogen interactions have been scarcely documented. In particular, the biological implications arising from the high degree of structural species-specificity of these glycolipids remain largely unknown. Growing recognition of the Mycobacterium marinum-Danio rerio as a specific host-pathogen model devoted to the study of the physiopathology of mycobacterial infections prompted us to elucidate the structure-to-function relationships of the elusive end-product, LOS-IV, of the LOS biosynthetic pathway in M. marinum. Combination of physicochemical and molecular modeling methods established that LOS-IV resulted from the differential transfer on the caryophyllose-containing LOS-III of a family of very unusual N-acylated monosaccharides, naturally present as different diastereoisomers. In agreement with the partial loss of pathogenecity previously reported in a LOS-IV-deficient M. marinum mutant, we demonstrated that this terminal monosaccharide conferred to LOS-IV important biological functions, including macrophage activating properties.Lire moins >
Lire la suite >Although lipo-oligosaccharides (LOSs) are recognized as major parietal components in many mycobacterial species, their involvement in the host-pathogen interactions have been scarcely documented. In particular, the biological implications arising from the high degree of structural species-specificity of these glycolipids remain largely unknown. Growing recognition of the Mycobacterium marinum-Danio rerio as a specific host-pathogen model devoted to the study of the physiopathology of mycobacterial infections prompted us to elucidate the structure-to-function relationships of the elusive end-product, LOS-IV, of the LOS biosynthetic pathway in M. marinum. Combination of physicochemical and molecular modeling methods established that LOS-IV resulted from the differential transfer on the caryophyllose-containing LOS-III of a family of very unusual N-acylated monosaccharides, naturally present as different diastereoisomers. In agreement with the partial loss of pathogenecity previously reported in a LOS-IV-deficient M. marinum mutant, we demonstrated that this terminal monosaccharide conferred to LOS-IV important biological functions, including macrophage activating properties.Lire moins >
Langue :
Anglais
Vulgarisation :
Non
Source :