Polysaccharide degradation by the Bacteroidetes: mechanisms and nomenclature

LS McKee, SL La Rosa, B Westereng… - Environmental …, 2021 - Wiley Online Library
The Bacteroidetes phylum is renowned for its ability to degrade a wide range of complex
carbohydrates, a trait that has enabled its dominance in many diverse environments. The …

Membranes under the magnetic lens: a dive into the diverse world of membrane protein structures using Cryo-EM

SJ Piper, RM Johnson, D Wootten, PM Sexton - Chemical reviews, 2022 - ACS Publications
Membrane proteins are highly diverse in both structure and function and can, therefore,
present different challenges for structure determination. They are biologically important for …

Iron acquisition by a commensal bacterium modifies host nutritional immunity during Salmonella infection

L Spiga, RT Fansler, YR Perera, NG Shealy… - Cell Host & Microbe, 2023 - cell.com
During intestinal inflammation, host nutritional immunity starves microbes of essential
micronutrients, such as iron. Pathogens scavenge iron using siderophores, including …

Utilization of glycosaminoglycans by the human gut microbiota: participating bacteria and their enzymatic machineries

PS Rawat, AS Seyed Hameed, X Meng, W Liu - Gut Microbes, 2022 - Taylor & Francis
Glycosaminoglycans (GAGs) are consistently present in the human colon in free forms and
as part of proteoglycans. Their utilization is critical for the colonization and proliferation of gut …

TonB-dependent transport across the bacterial outer membrane

A Silale, B van den Berg - Annual Review of Microbiology, 2023 - annualreviews.org
TonB-dependent transporters (TBDTs) are present in all gram-negative bacteria and
mediate energy-dependent uptake of molecules that are too scarce or large to be taken up …

Successional action of Bacteroidota and Firmicutes in decomposing straw polymers in a paddy soil

J Huang, K Gao, L Yang, Y Lu - Environmental Microbiome, 2023 - Springer
Background Decomposition of plant biomass is vital for carbon cycling in terrestrial
ecosystems. In waterlogged soils including paddy fields and natural wetlands, plant biomass …

Outer membrane utilisomes mediate glycan uptake in gut Bacteroidetes

JBR White, A Silale, M Feasey, T Heunis, Y Zhu… - Nature, 2023 - nature.com
Bacteroidetes are abundant members of the human microbiota, utilizing a myriad of diet-and
host-derived glycans in the distal gut. Glycan uptake across the bacterial outer membrane of …

TonB‐dependent transporters in the Bacteroidetes: unique domain structures and potential functions

RM Pollet, LM Martin, NM Koropatkin - Molecular Microbiology, 2021 - Wiley Online Library
The human gut microbiota endows the host with a wealth of metabolic functions central to
health, one of which is the degradation and fermentation of complex carbohydrates. The …

Metabolism mechanism of glycosaminoglycans by the gut microbiota: Bacteroides and lactic acid bacteria: A review

J Dong, Y Cui, X Qu - Carbohydrate Polymers, 2024 - Elsevier
Glycosaminoglycans (GAGs), as a class of biopolymers, play pivotal roles in various
biological metabolisms such as cell signaling, tissue development, cell apoptosis, immune …

Bacteroidota polysaccharide utilization system for branched dextran exopolysaccharides from lactic acid bacteria

S Nakamura, R Kurata, T Tonozuka, K Funane… - Journal of Biological …, 2023 - ASBMB
Dextran is an α-(1→ 6)-glucan that is synthesized by some lactic acid bacteria, and
branched dextran with α-(1→ 2)-, α-(1→ 3)-, and α-(1→ 4)-linkages are often produced …