Molecular Bases Basis of Antibiotic Translocation Across Outer Membrane Porins of Enterobacter Aerogenes

J Wang, M Masi, H Bajaj, M Kreir, M Winterhalter… - Biophysical …, 2016 - cell.com
Multi-drug resistant (MDR) bacteria are an increasingly serious threat to global public health.
In the last decades, many studies showed that general outer membrane porins (OMPs) from …

Investigation of gating in outer membrane porins provides new perspectives on antibiotic resistance mechanisms

AK Vasan, N Haloi, RJ Ulrich, ME Metcalf, PC Wen… - bioRxiv, 2021 - biorxiv.org
Gram-negative bacteria pose a serious public health concern, primarily due to a higher
frequency of antibiotic resistance conferred to them as a result of low permeability of their …

Getting Drugs through Small Pores: Exploiting the Porins Pathway in Pseudomonas aeruginosa

S Samanta, I Bodrenko, S Acosta-Gutiérrez… - ACS infectious …, 2018 - ACS Publications
Understanding molecular properties of outer membrane channels of Gram-negative bacteria
is of fundamental significance as they are the entry point of polar antibiotics into bacteria …

Role of internal loop dynamics in antibiotic permeability of outer membrane porins

AK Vasan, N Haloi, RJ Ulrich… - Proceedings of the …, 2022 - National Acad Sciences
Gram-negative bacteria pose a serious public health concern due to resistance to many
antibiotics, caused by the low permeability of their outer membrane (OM). Effective …

Structure‐kinetic relationship of carbapenem antibacterials permeating through E. coli OmpC porin

QT Tran, RA Pearlstein, S Williams… - Proteins: Structure …, 2014 - Wiley Online Library
The emergence of Gram‐negative “superbugs” exhibiting resistance to known antibacterials
poses a major public health concern. Low molecular weight Gram‐negative antibacterials …

Whole-Cell-Based Assay To Evaluate Structure Permeation Relationships for Carbapenem Passage through the Pseudomonas aeruginosa Porin OprD

R Iyer, MA Sylvester, C Velez-Vega… - ACS infectious …, 2017 - ACS Publications
The global emergence of antibiotic resistance, especially in Gram-negative bacteria, is an
urgent threat to public health. Discovery of novel classes of antibiotics with activity against …

Exploring bacterial outer membrane barrier to combat bad bugs

I Ghai, S Ghai - Infection and drug resistance, 2017 - Taylor & Francis
One of the main fundamental mechanisms of antibiotic resistance in Gram-negative bacteria
comprises an effective change in the membrane permeability to antibiotics. The Gram …

Role of the Internal Loops in Gating of Outer Membrane Porins

N Haloi, A Vasan, P Hergenrother, E Tajkhorshid - Biophysical Journal, 2021 - cell.com
Antibiotic resistance continues to pose a major challenge in the treatment of bacterial
infections. Gram-negative bacteria are particularly troublesome as antibiotics face additional …

Antibiotic Binding and Dynamics within the OmpF Channel Allow Transfer Across the Bacterial Outer Membrane

B Ziervogel, B Dhaksnamoorthy, L Blachowicz… - Biophysical Journal, 2011 - cell.com
Outer membrane protein F (OmpF) is a nonspecific, water-filled channel that allows the
passage of hydrophilic antibiotics across the lipid barrier of Gram-negative bacteria. The …

Toward screening for antibiotics with enhanced permeation properties through bacterial porins

E Hajjar, A Bessonov, A Molitor, A Kumar… - Biochemistry, 2010 - ACS Publications
Gram-negative bacteria are protected by an outer membrane barrier, and to reach their
periplasmic target, penicillins have to diffuse through outer membrane porins such as OmpF …