A discrete genetic locus confers xyloglucan metabolism in select human gut Bacteroidetes

J Larsbrink, TE Rogers, GR Hemsworth, LS McKee… - Nature, 2014 - nature.com
A well-balanced human diet includes a significant intake of non-starch polysaccharides,
collectively termed 'dietary fibre', from the cell walls of diverse fruits and vegetables. Owing …

Evaluating microbiome-directed fibre snacks in gnotobiotic mice and humans

O Delannoy-Bruno, C Desai, AS Raman, RY Chen… - Nature, 2021 - nature.com
Changing food preferences brought about by westernization that have deleterious health
effects,—combined with myriad forces that are contributing to increased food insecurity—are …

Complex pectin metabolism by gut bacteria reveals novel catalytic functions

D Ndeh, A Rogowski, A Cartmell, AS Luis, A Baslé… - Nature, 2017 - nature.com
The metabolism of carbohydrate polymers drives microbial diversity in the human gut
microbiota. It is unclear, however, whether bacterial consortia or single organisms are …

A Bacteroidetes locus dedicated to fungal 1, 6-β-glucan degradation: unique substrate conformation drives specificity of the key endo-1, 6-β-glucanase

MJ Temple, F Cuskin, A Baslé, N Hickey… - Journal of Biological …, 2017 - ASBMB
Glycans are major nutrients available to the human gut microbiota. The Bacteroides are
generalist glycan degraders, and this function is mediated largely by polysaccharide …

Genetic determinants of in vivo fitness and diet responsiveness in multiple human gut Bacteroides

M Wu, NP McNulty, DA Rodionov, MS Khoroshkin… - Science, 2015 - science.org
INTRODUCTION Relatively little is known about the genetic factors that allow members of
the human gut microbiota to occupy their niches. Identification of these factors is important …

Gut microbiome of the largest living rodent harbors unprecedented enzymatic systems to degrade plant polysaccharides

L Cabral, GF Persinoti, DAA Paixão, MP Martins… - Nature …, 2022 - nature.com
The largest living rodent, capybara, can efficiently depolymerize and utilize lignocellulosic
biomass through microbial symbiotic mechanisms yet elusive. Herein, we elucidate the …

Glycan foraging in vivo by an intestine-adapted bacterial symbiont

JL Sonnenburg, J Xu, DD Leip, CH Chen, BP Westover… - Science, 2005 - science.org
Germ-free mice were maintained on polysaccharide-rich or simple-sugar diets and
colonized for 10 days with an organism also found in human guts, Bacteroides …

Synergy between Cell Surface Glycosidases and Glycan-Binding Proteins Dictates the Utilization of Specific Beta(1,3)-Glucans by Human Gut Bacteroides

G Déjean, K Tamura, A Cabrera, N Jain, NA Pudlo… - MBio, 2020 - Am Soc Microbiol
The human gut microbiota (HGM) has far-reaching impacts on human health and nutrition,
which are fueled primarily by the metabolism of otherwise indigestible complex …

Transfer of carbohydrate-active enzymes from marine bacteria to Japanese gut microbiota

JH Hehemann, G Correc, T Barbeyron, W Helbert… - Nature, 2010 - nature.com
Gut microbes supply the human body with energy from dietary polysaccharides through
carbohydrate active enzymes, or CAZymes, which are absent in the human genome. These …

Configured for the human gut microbiota: molecular mechanisms of dietary β-glucan utilization

B Golisch, Z Lei, K Tamura, H Brumer - ACS Chemical Biology, 2021 - ACS Publications
The β-glucans are a disparate group of structurally diverse polysaccharides, whose
members are widespread in human diets as components of the cell walls of plants, algae …