Bacterial cell wall quality control during environmental stress

EA Mueller, PA Levin - MBio, 2020‏ - journals.asm.org
Single-celled organisms must adapt their physiology to persist and propagate across a wide
range of environmental conditions. The growth and division of bacterial cells depend on …

Randomly barcoded transposon mutant libraries for gut commensals II: Applying libraries for functional genetics

CGP Voogdt, S Tripathi, SO Bassler… - Cell reports, 2024‏ - cell.com
The critical role of the intestinal microbiota in human health and disease is well recognized.
Nevertheless, there are still large gaps in our understanding of the functions and …

Coordination of peptidoglycan synthesis and outer membrane constriction during Escherichia coli cell division

AN Gray, AJF Egan, IL Van't Veer, J Verheul, A Colavin… - elife, 2015‏ - elifesciences.org
To maintain cellular structure and integrity during division, Gram-negative bacteria must
carefully coordinate constriction of a tripartite cell envelope of inner membrane …

ARTIST: high-resolution genome-wide assessment of fitness using transposon-insertion sequencing

JR Pritchard, MC Chao, S Abel, BM Davis… - PLoS …, 2014‏ - journals.plos.org
Transposon-insertion sequencing (TIS) is a powerful approach for deciphering genetic
requirements for bacterial growth in different conditions, as it enables simultaneous genome …

Outer membrane lipoprotein NlpI scaffolds peptidoglycan hydrolases within multi‐enzyme complexes in Escherichia coli

M Banzhaf, HCL Yau, J Verheul, A Lodge… - The EMBO …, 2020‏ - embopress.org
The peptidoglycan (PG) sacculus provides bacteria with the mechanical strength to maintain
cell shape and resist osmotic stress. Enlargement of the mesh‐like sacculus requires the …

Phosphorylation of the peptidoglycan synthase PonA1 governs the rate of polar elongation in mycobacteria

KJ Kieser, CC Boutte, JC Kester, CE Baer… - PLoS …, 2015‏ - journals.plos.org
Cell growth and division are required for the progression of bacterial infections. Most rod-
shaped bacteria grow by inserting new cell wall along their mid-section. However …

Regulation and function of class A Penicillin-binding proteins

M Pazos, W Vollmer - Current Opinion in Microbiology, 2021‏ - Elsevier
Highlights•Class A PBPs are essential in most bacteria.•They provide a major contribution to
overall PG synthesis during growth and cell division.•Multiple protein? protein interactions …

[HTML][HTML] Modulation of peptidoglycan synthesis by recycled cell wall tetrapeptides

SB Hernández, T Dörr, MK Waldor, F Cava - Cell reports, 2020‏ - cell.com
The bacterial cell wall is made of peptidoglycan (PG), a polymer that is essential for the
maintenance of cell shape and survival. During growth, bacteria remodel their PG, releasing …

Transposon-insertion sequencing screens unveil requirements for EHEC growth and intestinal colonization

AR Warr, TP Hubbard, D Munera, CJ Blondel… - PLoS …, 2019‏ - journals.plos.org
Enterohemorrhagic Escherichia coli O157: H7 (EHEC) is an important food-borne pathogen
that colonizes the colon. Transposon-insertion sequencing (TIS) was used to identify genes …

Understanding tolerance to cell wall–active antibiotics

T Dörr - Annals of the New York Academy of Sciences, 2021‏ - Wiley Online Library
Antibiotic tolerance—the ability of bacteria to survive for an extended time in the presence of
bactericidal antibiotics—is an understudied contributor to antibiotic treatment failure. Herein …