Microfluidics for antibiotic susceptibility testing

W Postek, N Pacocha, P Garstecki - Lab on a Chip, 2022 - pubs.rsc.org
The rise of antibiotic resistance is a threat to global health. Rapid and comprehensive
analysis of infectious strains is critical to reducing the global use of antibiotics, as informed …

Exploring antibiotic resistance with chemical tools

WA Velema - Chemical Communications, 2023 - pubs.rsc.org
Antibiotic resistance is an enormous problem that is accountable for over a million deaths
annually, with numbers expected to significantly increase over the coming decades …

Persister Escherichia coli cells have a lower intracellular pH than susceptible cells but maintain their pH in response to antibiotic treatment

O Goode, A Smith, A Zarkan, J Cama, BM Invergo… - MBio, 2021 - Am Soc Microbiol
Persister and viable but non-culturable (VBNC) cells are two clonal subpopulations that can
survive multidrug exposure via a plethora of putative molecular mechanisms. Here, we …

Fast bacterial growth reduces antibiotic accumulation and efficacy

U Łapińska, M Voliotis, KK Lee, A Campey, MRL Stone… - Elife, 2022 - elifesciences.org
Phenotypic variations between individual microbial cells play a key role in the resistance of
microbial pathogens to pharmacotherapies. Nevertheless, little is known about cell …

Slow growing bacteria survive bacteriophage in isolation

EL Attrill, U Łapińska, ER Westra… - ISME …, 2023 - academic.oup.com
The interactions between bacteria and bacteriophage have important roles in the global
ecosystem; in turn changes in environmental parameters affect the interactions between …

Systematic comparison of unilamellar vesicles reveals that archaeal core lipid membranes are more permeable than bacterial membranes

U Łapińska, G Glover, Z Kahveci, NAT Irwin… - PLoS …, 2023 - journals.plos.org
One of the deepest branches in the tree of life separates the Archaea from the Bacteria.
These prokaryotic groups have distinct cellular systems including fundamentally different …

Synthesis of vancomycin fluorescent probes that retain antimicrobial activity, identify Gram-positive bacteria, and detect Gram-negative outer membrane damage

B Zhang, W Phetsang, MRL Stone, S Kc… - Communications …, 2023 - nature.com
Antimicrobial resistance is an urgent threat to human health, and new antibacterial drugs are
desperately needed, as are research tools to aid in their discovery and development …

Nutrient and salt depletion synergistically boosts glucose metabolism in individual Escherichia coli cells

G Glover, M Voliotis, U Łapińska, BM Invergo… - Communications …, 2022 - nature.com
The interaction between a cell and its environment shapes fundamental intracellular
processes such as cellular metabolism. In most cases growth rate is treated as a proximal …

Role of Berberine as a Potential Efflux Pump Inhibitor against MdfA from Escherichia coli: In Vitro and In Silico Studies

Y Li, X Ge - Microbiology spectrum, 2023 - Am Soc Microbiol
Infections by Gram-negative pathogens are usually difficult to manage due to the drug export
by efflux pumps. With the evolution and horizontal transfer of efflux pumps, there is an urgent …

CryoEM structure of the outer membrane secretin channel pIV from the f1 filamentous bacteriophage

R Conners, M McLaren, U Łapińska, K Sanders… - Nature …, 2021 - nature.com
The Ff family of filamentous bacteriophages infect gram-negative bacteria, but do not cause
lysis of their host cell. Instead, new virions are extruded via the phage-encoded pIV protein …