Membrane Adhesion via Glycolipids Occurs for Abundant Saccharide Chemistries.
Journal
Biophysical journal
ISSN: 1542-0086
Titre abrégé: Biophys J
Pays: United States
ID NLM: 0370626
Informations de publication
Date de publication:
07 04 2020
07 04 2020
Historique:
received:
28
10
2019
revised:
29
01
2020
accepted:
05
02
2020
pubmed:
26
2
2020
medline:
15
5
2021
entrez:
26
2
2020
Statut:
ppublish
Résumé
Membrane-bound oligosaccharides with specific chemistries are known to promote tight adhesion between adjacent membranes via the formation of weak saccharide bonds. However, in the literature, one can find scattered evidence that other, more abundant saccharide chemistries exhibit similar behavior. Here, the influence of various glycolipids on the interaction between adjacent membranes is systematically investigated with the help of small- and wide-angle x-ray scattering and complementary neutron diffraction experiments. Added electrostatic repulsion between the membrane surfaces is used to identify the formation of saccharide bonds and to challenge their stability against tensile stress. Some of the saccharide headgroup types investigated are able to bind adjacent membranes together, but this ability has no significant influence on the membrane bending rigidity. Our results indicate that glycolipid-mediated membrane adhesion is a highly abundant phenomenon and therefore potentially of great biological relevance.
Identifiants
pubmed: 32097623
pii: S0006-3495(20)30122-3
doi: 10.1016/j.bpj.2020.02.003
pmc: PMC7136278
pii:
doi:
Substances chimiques
Carbohydrates
0
Glycolipids
0
Oligosaccharides
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1602-1611Informations de copyright
Copyright © 2020 Biophysical Society. Published by Elsevier Inc. All rights reserved.
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