How to enter a bacterium: bacterial porins and the permeation of antibiotics

JD Prajapati, U Kleinekathöfer… - Chemical …, 2021 - ACS Publications
Despite tremendous successes in the field of antibiotic discovery seen in the previous
century, infectious diseases have remained a leading cause of death. More specifically …

Porins and small-molecule translocation across the outer membrane of Gram-negative bacteria

J Vergalli, IV Bodrenko, M Masi, L Moynié… - Nature Reviews …, 2020 - nature.com
Gram-negative bacteria and their complex cell envelope, which comprises an outer
membrane and an inner membrane, are an important and attractive system for studying the …

Getting drugs into Gram-negative bacteria: rational rules for permeation through general porins

S Acosta-Gutiérrez, L Ferrara, M Pathania… - ACS infectious …, 2018 - ACS Publications
Small, hydrophilic molecules, including most important antibiotics in clinical use, cross the
Gram-negative outer membrane through the water-filled channels provided by porins. We …

Nanomaterials and molecular transporters to overcome the bacterial envelope barrier: Towards advanced delivery of antibiotics

RS Santos, C Figueiredo, NF Azevedo… - Advanced drug delivery …, 2018 - Elsevier
With the dramatic consequences of bacterial resistance to antibiotics, nanomaterials and
molecular transporters have started to be investigated as alternative antibacterials or anti …

The whole is bigger than the sum of its parts: drug transport in the context of two membranes with active efflux

VV Rybenkov, HI Zgurskaya, C Ganguly… - Chemical …, 2021 - ACS Publications
Cell envelope plays a dual role in the life of bacteria by simultaneously protecting it from a
hostile environment and facilitating access to beneficial molecules. At the heart of this ability …

A barrier to entry: examining the bacterial outer membrane and antibiotic resistance

I Ghai - Applied Sciences, 2023 - mdpi.com
Gram-negative bacteria can resist antibiotics by changing the permeability via their outer
membrane. These bacteria have a complex cell envelope that incorporates an outer …

Breaching the barrier: quantifying antibiotic permeability across gram-negative bacterial membranes

J Cama, AM Henney, M Winterhalter - Journal of Molecular Biology, 2019 - Elsevier
The double-membrane cell envelope of Gram-negative bacteria is a sophisticated barrier
that facilitates the uptake of nutrients and protects the organism from toxic compounds. An …

Bacterial outer membrane porins as electrostatic nanosieves: exploring transport rules of small polar molecules

H Bajaj, S Acosta Gutierrez, I Bodrenko, G Malloci… - ACS …, 2017 - ACS Publications
Transport of molecules through biological membranes is a fundamental process in biology,
facilitated by selective channels and general pores. The architecture of some outer …

Outer membrane porins

M Masi, M Winterhalter, JM Pagès - Bacterial cell walls and membranes, 2019 - Springer
The transport of small molecules across membranes is essential for the import of nutrients
and other energy sources into the cell and, for the export of waste and other potentially …

Cephalosporin translocation across enterobacterial OmpF and OmpC channels, a filter across the outer membrane

M Masi, J Vergalli, I Ghai, A Barba-Bon… - Communications …, 2022 - nature.com
Gram-negative porins are the main entry for small hydrophilic molecules. We studied
translocation of structurally related cephalosporins, ceftazidime (CAZ), cefotaxime (CTX) and …