Cell wall peptidoglycan in Mycobacterium tuberculosis: An Achilles' heel for the TB-causing pathogen

A Maitra, T Munshi, J Healy, LT Martin… - FEMS microbiology …, 2019 - academic.oup.com
Tuberculosis (TB), caused by the intracellular pathogen Mycobacterium tuberculosis,
remains one of the leading causes of mortality across the world. There is an urgent …

Peptidoglycan

M Pazos, K Peters - Bacterial cell walls and membranes, 2019 - Springer
The peptidoglycan sacculus is a net-like polymer that surrounds the cytoplasmic membrane
in most bacteria. It is essential to maintain the bacterial cell shape and protect from turgor …

L, D-Transpeptidase specific probe reveals spatial activity of peptidoglycan cross-linking

SE Pidgeon, AJ Apostolos, JM Nelson… - ACS chemical …, 2019 - ACS Publications
Peptidoglycan (PG) is a cross-linked, meshlike scaffold endowed with the strength to
withstand the internal pressure of bacteria. Bacteria are known to heavily remodel their …

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 …

Peptidoglycan biosynthesis and remodeling revisited

M Shaku, C Ealand, O Matlhabe, R Lala… - Advances in applied …, 2020 - Elsevier
The bacterial peptidoglycan layer forms a complex mesh-like structure that surrounds the
cell, imparting rigidity to withstand cytoplasmic turgor and the ability to tolerate stress. As …

Recognition of Peptidoglycan Fragments by the Transpeptidase PBP4 From Staphylococcus aureus

R Maya-Martinez, JAN Alexander, CF Otten… - Frontiers in …, 2019 - frontiersin.org
Peptidoglycan (PG) is an essential component of the cell envelope, maintaining bacterial
cell shape and protecting it from bursting due to turgor pressure. The monoderm bacterium …

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 …

Mechanistic insights into the activities of major families of enzymes in bacterial peptidoglycan assembly and breakdown

JMC Kwan, Y Qiao - ChemBioChem, 2023 - Wiley Online Library
Serving as an exoskeletal scaffold, peptidoglycan is a polymeric macromolecule that is
essential and conserved across all bacteria, yet is absent in mammalian cells; this has made …

Strategic moves of “superbugs” against available chemical scaffolds: signaling, regulation, and challenges

B Baral, MR Mozafari - ACS Pharmacology & Translational …, 2020 - ACS Publications
Superbugs' resistivity against available natural products has become an alarming global
threat, causing a rapid deterioration in public health and claiming tens of thousands of lives …