Bacteriocins to thwart bacterial resistance in gram negative bacteria

S Telhig, L Ben Said, S Zirah, I Fliss… - Frontiers in …, 2020 - frontiersin.org
An overuse of antibiotics both in human and animal health and as growth promoters in
farming practices has increased the prevalence of antibiotic resistance in bacteria. Antibiotic …

Bacterial pore-forming toxins

FR Ulhuq, G Mariano - Microbiology, 2022 - microbiologyresearch.org
Pore-forming toxins (PFTs) are widely distributed in both Gram-negative and Gram-positive
bacteria. PFTs can act as virulence factors that bacteria utilise in dissemination and host …

Lipids mediate supramolecular outer membrane protein assembly in bacteria

MN Webby, AO Oluwole, C Pedebos, PG Inns… - Science …, 2022 - science.org
β Barrel outer membrane proteins (OMPs) cluster into supramolecular assemblies that give
function to the outer membrane (OM) of Gram-negative bacteria. How such assemblies form …

Phase separation in the outer membrane of Escherichia coli

G Benn, IV Mikheyeva, PG Inns… - Proceedings of the …, 2021 - National Acad Sciences
Gram-negative bacteria are surrounded by a protective outer membrane (OM) with
phospholipids in its inner leaflet and lipopolysaccharides (LPS) in its outer leaflet. The OM is …

Microcins reveal natural mechanisms of bacterial manipulation to inform therapeutic development

JK Parker, BW Davies - Microbiology, 2022 - microbiologyresearch.org
Microcins are an understudied and poorly characterized class of antimicrobial peptides.
Despite the existence of only 15 examples, all identified from the Enterobacteriaceae …

Mass spectrometry of intact membrane proteins: shifting towards a more native-like context

A Oluwole, D Shutin, JR Bolla - Essays in Biochemistry, 2023 - portlandpress.com
Integral membrane proteins are involved in a plethora of biological processes including
cellular signalling, molecular transport, and catalysis. Many of these functions are mediated …

Porin threading drives receptor disengagement and establishes active colicin transport through Escherichia coli OmpF

MLR Francis, MN Webby, NG Housden… - The EMBO …, 2021 - embopress.org
Bacteria deploy weapons to kill their neighbours during competition for resources and to aid
survival within microbiomes. Colicins were the first such antibacterial system identified, yet …

Reconstruction of the Gram‐Negative Bacterial Outer‐Membrane Bilayer

S Lee, H Bayley - Small, 2022 - Wiley Online Library
The outer membrane (OM) of gram‐negative bacteria is highly asymmetric. The outer leaflet
comprises lipopolysaccharides (LPS) and the inner leaflet phospholipids. Here, it is shown …

Klebicin E, a pore-forming bacteriocin of Klebsiella pneumoniae, exploits the porin OmpC and the Ton system for translocation

X Zhao, W Wang, X Zeng, R Xu, B Yuan, W Yu… - Journal of Biological …, 2024 - ASBMB
Bacteriocins, which have narrow-spectrum activity and limited adverse effects, are promising
alternatives to antibiotics. In this study, we identified klebicin E (KlebE), a small bacteriocin …

Step toward probing the nonannular belt of membrane proteins

S Kumar, Y Zhu, L Stover, A Laganowsky - Analytical chemistry, 2022 - ACS Publications
Integral membrane proteins are embedded in the biological membrane, where they carry out
numerous biological processes. Although lipids present in the membrane are crucial for …