The Gram-negative permeability barrier: tipping the balance of the in and the out

C Maher, KA Hassan - Mbio, 2023 - Am Soc Microbiol
Gram-negative bacteria are intrinsically resistant to many antibiotics, due in large part to the
permeability barrier formed by their cell envelope. The complex and synergistic interplay of …

Advances in methods and concepts provide new insight into antibiotic fluxes across the bacterial membrane

J Vergalli, M Réfrégiers, P Ruggerone… - Communications …, 2024 - nature.com
The sophisticated envelope of Gram-negative bacteria modulates the uptake of small
molecules in a side-chain-sensitive manner. Despite intensive theoretical and experimental …

Rationalizing the generation of broad spectrum antibiotics with the addition of a positive charge

N Haloi, AK Vasan, EJ Geddes, A Prasanna… - Chemical …, 2021 - pubs.rsc.org
Antibiotic resistance of Gram-negative bacteria is largely attributed to the low permeability of
their outer membrane (OM). Recently, we disclosed the eNTRy rules, a key lesson of which …

How the physical properties of bacterial porins match environmental conditions

S Milenkovic, J Wang, S Acosta-Gutierrez… - Physical Chemistry …, 2023 - pubs.rsc.org
Transmembrane β-barrel proteins are key systems for transport phenomena in biology.
Based on their broad substrate specificity, they represent good candidates for present and …

[HTML][HTML] A hydrogel-based in vitro assay for the fast prediction of antibiotic accumulation in Gram-negative bacteria

R Richter, MAM Kamal, MA García-Rivera, J Kaspar… - Materials Today Bio, 2020 - Elsevier
The pipeline of antibiotics has been for decades on an alarmingly low level. Considering the
steadily emerging antibiotic resistance, novel tools are needed for early and easy …

Machine Learning Prediction of Small Molecule Accumulation in Escherichia Coli Enhanced with Descriptor Statistics

S Milenkovic, S Boi, MA Scorciapino… - Journal of Chemical …, 2024 - ACS Publications
Antibiotic resistance, particularly among Gram-negative bacteria, poses a significant
healthcare challenge due to their ability to evade antibiotic action through various …

In vitro antimicrobial activity, antibioresistance reversal properties, and toxicity screen of ethanolic extracts of Heracleum mantegazzianum Sommier and Levier (giant …

MMJ Arsene, PI Viktorovna, MK Mikhaïlovitch… - Open Veterinary …, 2022 - ajol.info
Background: Plants, including invasive ones, can play a significant role in the fight against
antibiotic resistance and the search for new antimicrobials. Aims: The present study aimed at …

Diffusion of molecules through nanopores under confinement: Time-scale bridging and crowding effects via Markov state model

IV Bodrenko, S Milenkovic, M Ceccarelli - Biomolecular Concepts, 2022 - degruyter.com
Passive transport of molecules through nanopores is characterized by the interaction of
molecules with pore internal walls and by a general crowding effect due to the constricted …

Permeation of β-lactamase inhibitors through the general porins of gram-negative bacteria

A Pira, MA Scorciapino, IV Bodrenko, A Bosin… - Molecules, 2020 - mdpi.com
Modern medicine relies upon antibiotics, but we have arrived to the point where our inability
to come up with new effective molecules against resistant pathogens, together with the …

Design and evaluation of poly-nitrogenous adjuvants capable of potentiating antibiotics in Gram-negative bacteria

BA Pugh, AB Rao, M Angeles-Solano… - RSC Medicinal …, 2022 - pubs.rsc.org
Antibiotic resistance has been a growing public health crisis since the 1980s. Therefore, it is
essential not only to continue to develop novel antibiotics but also to develop new methods …