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ECB-ART-47506
Carbohydr Polym 2020 Jan 15;228:115359. doi: 10.1016/j.carbpol.2019.115359.
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Chain conformation, physicochemical properties of fucosylated chondroitin sulfate from sea cucumber Stichopus chloronotus and its in vitro fermentation by human gut microbiota.

Mou J , Li Q , Shi W , Qi X , Song W , Yang J .


Abstract
This study investigated the chain conformation, physicochemical properties of fucosylated chondroitin sulfate from Stichopus chloronotus (fCS-Sc) using HPSEC-MALLS and worm-like cylinder model methods and its impact on human gut microbiota by 16s RNA gene sequencing. The results indicated that fCS-Sc adopted rigid rods chain conformation in PBS based on chain conformational parameters αη (1.11) and αh (0.70). Stiffness parameters deduced from worm-like cylinder model suggested that fCS-Sc exhibited as stiff chains. The congo red assay indicated a single-helical structure. fCS-Sc demonstrated a negative zeta-potentials in a wide pH ranges and good thermal stability. Besides, fCS-Sc could modulate the community structure of gut microbiota by elevating the absolute abundance of microbiota, increasing the beneficial bacterium Megamonas, Bacteroides, Fusobacterium, Parabacteroides, Prevotella, Faecalibacterium, suppressing pathogenic microorganism and promoting the short-chain fatty acids production. The present studies improved the understanding of the spatial structures of fCSs and its application as prebiotics.

PubMed ID: 31635738
Article link: Carbohydr Polym


Genes referenced: eif3d impact LOC100887844