Physiological functions of bacterial “multidrug” efflux pumps

PJF Henderson, C Maher, LDH Elbourne… - Chemical …, 2021 - ACS Publications
Bacterial multidrug efflux pumps have come to prominence in human and veterinary
pathogenesis because they help bacteria protect themselves against the antimicrobials …

A guide to membrane protein X‐ray crystallography

AA Kermani - The FEBS journal, 2021 - Wiley Online Library
Membrane proteins play critical physiological roles in all organisms, from ion transport and
signal transduction to multidrug resistance. Elucidating their 3D structures is essential for …

The EcoCyc database in 2021

IM Keseler, S Gama-Castro, A Mackie… - Frontiers in …, 2021 - frontiersin.org
The EcoCyc model-organism database collects and summarizes experimental data for
Escherichia coli K-12. EcoCyc is regularly updated by the manual curation of individual …

The evolutionary conservation of Escherichia coli drug efflux pumps supports physiological functions

T Teelucksingh, LK Thompson, G Cox - Journal of bacteriology, 2020 - Am Soc Microbiol
Bacteria harness an impressive repertoire of resistance mechanisms to evade the inhibitory
action of antibiotics. One such mechanism involves efflux pump-mediated extrusion of drugs …

Discovery of a Ni2+-dependent guanidine hydrolase in bacteria

D Funck, M Sinn, JR Fleming, M Stanoppi, J Dietrich… - Nature, 2022 - nature.com
Nitrogen availability is a growth-limiting factor in many habitats, and the global nitrogen
cycle involves prokaryotes and eukaryotes competing for this precious resource. Only some …

Structure and dynamics of the drug-bound bacterial transporter EmrE in lipid bilayers

AA Shcherbakov, G Hisao, VS Mandala… - Nature …, 2021 - nature.com
The dimeric transporter, EmrE, effluxes polyaromatic cationic drugs in a proton-coupled
manner to confer multidrug resistance in bacteria. Although the protein is known to adopt an …

Infrared Photoactivation Enables Improved Native Top-Down Mass Spectrometry of Transmembrane Proteins

BR Juliano, JW Keating, BT Ruotolo - Analytical chemistry, 2023 - ACS Publications
Membrane proteins are often challenging targets for native top-down mass spectrometry
experimentation. The requisite use of membrane mimetics to solubilize such proteins …

The culmination of multidrug-resistant efflux pumps vs. meager antibiotic arsenal era: Urgent need for an improved new generation of EPIs

S Chetri - Frontiers in Microbiology, 2023 - frontiersin.org
Efflux pumps function as an advanced defense system against antimicrobials by reducing
the concentration of drugs inside the bacteria and extruding the substances outside. Various …

The structural basis of promiscuity in small multidrug resistance transporters

AA Kermani, CB Macdonald, OE Burata… - Nature …, 2020 - nature.com
By providing broad resistance to environmental biocides, transporters from the small
multidrug resistance (SMR) family drive the spread of multidrug resistance cassettes among …

Biochemical validation of a fourth guanidine riboswitch class in bacteria

H Salvail, A Balaji, D Yu, A Roth, RR Breaker - Biochemistry, 2020 - ACS Publications
An intriguing consequence of ongoing riboswitch discovery efforts is the occasional
identification of metabolic or toxicity response pathways for unusual ligands. Recently, we …