Structure, assembly, and function of tripartite efflux and type 1 secretion systems in gram-negative bacteria

I Alav, J Kobylka, MS Kuth, KM Pos, M Picard… - Chemical …, 2021 - ACS Publications
Tripartite efflux pumps and the related type 1 secretion systems (T1SSs) in Gram-negative
organisms are diverse in function, energization, and structural organization. They form …

Defining new chemical space for drug penetration into Gram-negative bacteria

S Zhao, JW Adamiak, V Bonifay, J Mehla… - Nature chemical …, 2020 - nature.com
We live in the era of antibiotic resistance, and this problem will progressively worsen if no
new solutions emerge. In particular, Gram-negative pathogens present both biological and …

Efflux pump inhibitors: new updates

M AlMatar, O Albarri, EA Makky, F Köksal - Pharmacological Reports, 2021 - Springer
The discovery of antibiotics ought to have ended the issue of bacterial infections, but this
was not the case as it has led to the evolution of various mechanisms of bacterial resistance …

Chemical aspects of polyphenol-protein interactions and their antibacterial activity

SS Nassarawa, GA Nayik, SD Gupta… - Critical Reviews in …, 2023 - Taylor & Francis
The hunt for novel antibiotics has become a global public health imperative due to the rise in
multidrug-resistant microorganisms, untreatable infection cases, overuse, and inefficacy of …

A comprehensive review on pharmacology of efflux pumps and their inhibitors in antibiotic resistance

V Thakur, A Uniyal, V Tiwari - European Journal of Pharmacology, 2021 - Elsevier
The potential for the build-up of resistance to a particular antibiotic endangers its therapeutic
application over time. In recent decades, antibiotic resistance has become one of the most …

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 …

Chlorpromazine and amitriptyline are substrates and inhibitors of the AcrB multidrug efflux pump

EM Grimsey, C Fais, RL Marshall, V Ricci, ML Ciusa… - MBio, 2020 - Am Soc Microbiol
Efflux is an important mechanism in Gram-negative bacteria conferring multidrug resistance.
Inhibition of efflux is an encouraging strategy to restore the antibacterial activity of antibiotics …

Bacterial efflux transporters' polyspecificity–a gift and a curse?

HI Zgurskaya, G Malloci, B Chandar, AV Vargiu… - Current opinion in …, 2021 - Elsevier
Highlights•Polyspecificity of bacterial RND efflux pumps is the key to environmental
versatility and antibiotic resistance of Gram-negative bacteria.•Synergy with the outer …

Multidrug efflux pumps and the two-faced janus of substrates and inhibitors

HI Zgurskaya, JK Walker, JM Parks… - Accounts of chemical …, 2021 - ACS Publications
Conspectus Antibiotics are miracle drugs that can cure infectious bacterial diseases.
However, their utility is challenged by antibiotic-resistant bacteria emerging in clinics and …

Bactericidal activity of gallic acid against multi-drug resistance Escherichia coli

QM Tian, SM Wei, HR Su, SM Zheng, SY Xu… - Microbial …, 2022 - Elsevier
The continuous emergence of multidrug-resistant (MDR) bacteria has posed an increasingly
serious public health threat which urges people to develop some alternatives. Gallic acid …