Chemical reporters for bacterial glycans: development and applications

N Banahene, HW Kavunja, BM Swarts - Chemical reviews, 2021 - ACS Publications
Bacteria possess an extraordinary repertoire of cell envelope glycans that have critical
physiological functions. Pathogenic bacteria have glycans that are essential for growth and …

[HTML][HTML] Synthesis and recycling of the mycobacterial cell envelope

KA Abrahams, GS Besra - Current Opinion in Microbiology, 2021 - Elsevier
Highlights•The unique mycobacterial cell wall is a layered structure of carbohydrates and
lipids.•The architecture and biosynthesis of the cell wall have largely been …

Metabolic fluorine labeling and hotspot imaging of dynamic gut microbiota in mice

D Chen, J Guo, A Li, C Sun, H Lin, H Lin, C Yang… - Science …, 2023 - science.org
Real-time localization and microbial activity information of indigenous gut microbiota over an
extended period of time remains a challenge with existing visualizing methods. Here, we …

Identification of a family of peptidoglycan transpeptidases reveals that Clostridioides difficile requires noncanonical cross-links for viability

KW Bollinger, U Müh, KL Ocius, AJ Apostolos… - Proceedings of the …, 2024 - pnas.org
Most bacteria are surrounded by a cell wall that contains peptidoglycan (PG), a large
polymer composed of glycan strands held together by short peptide cross-links. There are …

Amidation of glutamate residues in mycobacterial peptidoglycan is essential for cell wall cross-linking

MT Shaku, KL Ocius, AJ Apostolos, MM Pires… - Frontiers in Cellular …, 2023 - frontiersin.org
Introduction Mycobacteria assemble a complex cell wall with cross-linked peptidoglycan
(PG) which plays an essential role in maintenance of cell wall integrity and tolerance to …

[PDF][PDF] Barriers to genetic manipulation of Enterococci: Current approaches and future directions

AL Krause, TP Stinear, IR Monk - FEMS Microbiology Reviews, 2022 - academic.oup.com
Enterococcus faecalis and Enterococcus faecium are Gram-positive commensal gut bacteria
that can also cause fatal infections. To study clinically relevant multi-drug resistant E …

CRISPRi-mediated characterization of novel anti-tuberculosis targets: Mycobacterial peptidoglycan modifications promote beta-lactam resistance and intracellular …

C Silveiro, M Marques, F Olivença, D Pires… - Frontiers in Cellular …, 2023 - frontiersin.org
The lack of effective therapeutics against emerging multi-drug resistant strains of
Mycobacterium tuberculosis (Mtb) prompts the identification of novel anti-tuberculosis …

Cell wall damage reveals spatial flexibility in peptidoglycan synthesis and a nonredundant role for RodA in mycobacteria

ES Melzer, T Kado, A García-Heredia… - Journal of …, 2022 - Am Soc Microbiol
Cell wall peptidoglycan is a heteropolymeric mesh that protects the bacterium from internal
turgor and external insults. In many rod-shaped bacteria, peptidoglycan synthesis for normal …

Remodeling of cross-bridges controls peptidoglycan cross-linking levels in bacterial cell walls

AJ Apostolos, SE Pidgeon, MM Pires - ACS chemical biology, 2020 - ACS Publications
Cell walls are barriers found in almost all known bacterial cells. These structures establish a
controlled interface between the external environment and vital cellular components. A …

A Metabolic‐Tag‐Based Method for Assessing the Permeation of Small Molecules Across the Mycomembrane in Live Mycobacteria

Z Liu, I Lepori, MD Chordia, BE Dalesandro… - Angewandte …, 2023 - Wiley Online Library
The general lack of permeability of small molecules observed for Mycobacterium
tuberculosis (Mtb) is most ascribed to its unique cell envelope. More specifically, the outer …