Structural features of the bioactive cyanobacterium Nostoc sp. exopolysaccharide.
Cyanobacteria
Extracellular polysaccharide
Structure
Journal
International journal of biological macromolecules
ISSN: 1879-0003
Titre abrégé: Int J Biol Macromol
Pays: Netherlands
ID NLM: 7909578
Informations de publication
Date de publication:
01 Dec 2020
01 Dec 2020
Historique:
received:
02
07
2020
revised:
12
08
2020
accepted:
12
08
2020
pubmed:
18
8
2020
medline:
10
4
2021
entrez:
18
8
2020
Statut:
ppublish
Résumé
Microalgal biopolymers are studied mainly in terms of physico-chemical characterization, biological effects as well as possible biotechnological applications. Due to the significant antitussive, bronchodilator, anti-inflammatory and immunomodulatory effects of the previously isolated crude extracellular polysaccharide (EPS) produced by the cyanobacterium Nostoc sp., the purified biopolymer and its oligosaccharides, obtained after partial acid hydrolysis, were subjected to an in-depth NMR structural study. Analyses of the data obtained by chemical methods and NMR showed that the EPS backbone is composed of the repeating unit [→4)-β-D-Xylp-(1 → 4)-β-D-Glcp-(1 → 4)-α-L-Arap-(1 → 3)-β-D-Manp-(1→]
Identifiants
pubmed: 32805285
pii: S0141-8130(20)34204-5
doi: 10.1016/j.ijbiomac.2020.08.113
pii:
doi:
Substances chimiques
Biopolymers
0
Oligosaccharides
0
Polysaccharides, Bacterial
0
Uronic Acids
0
Glucuronic Acid
8A5D83Q4RW
Glucose
IY9XDZ35W2
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2284-2292Informations de copyright
Copyright © 2020 Elsevier B.V. All rights reserved.