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 …

Mechanisms of envelope permeability and antibiotic influx and efflux in Gram-negative bacteria

M Masi, M Réfregiers, KM Pos - Nature microbiology, 2017 - nature.com
Researchers, clinicians and governments all recognize antimicrobial resistance as a serious
and growing threat worldwide. New antimicrobials are urgently needed, especially for …

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 …

Targeting bacterial outer-membrane remodelling to impact antimicrobial drug resistance

NC Rosas, T Lithgow - Trends in Microbiology, 2022 - cell.com
The cell envelope is essential for survival and adaptation of bacteria. Bacterial membrane
proteins include the major porins that mediate the influx of nutrients and several classes of …

Emerging Transcriptional and Genomic Mechanisms Mediating Carbapenem and Polymyxin Resistance in Enterobacteriaceae: a Systematic Review of Current …

M Mmatli, NM Mbelle, NE Maningi, J Osei Sekyere - MSystems, 2020 - Am Soc Microbiol
The spread of carbapenem-and polymyxin-resistant Enterobacteriaceae poses a significant
threat to public health, challenging clinicians worldwide with limited therapeutic options. This …

Complement-dependent outer membrane perturbation sensitizes Gram-negative bacteria to Gram-positive specific antibiotics

DAC Heesterbeek, NI Martin, A Velthuizen, M Duijst… - Scientific Reports, 2019 - nature.com
Gram-negative bacteria are refractory to the action of many antibiotics due to their
impermeable outer membrane. An important player of the immune system is the complement …

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 …

Recurrent emergence of Klebsiella pneumoniae carbapenem resistance mediated by an inhibitory ompK36 mRNA secondary structure

JLC Wong, S David… - Proceedings of the …, 2022 - National Acad Sciences
Outer membrane porins in Gram-negative bacteria facilitate antibiotic influx. In Klebsiella
pneumoniae, modifications in the porin OmpK36 are implicated in increasing resistance to …

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 …