Mechanism of quinolone action and resistance

KJ Aldred, RJ Kerns, N Osheroff - Biochemistry, 2014 - ACS Publications
Quinolones are one of the most commonly prescribed classes of antibacterials in the world
and are used to treat a variety of bacterial infections in humans. Because of the wide use …

[HTML][HTML] DNA topoisomerase inhibitors: trapping a DNA-cleaving machine in motion

BD Bax, G Murshudov, A Maxwell, T Germe - Journal of molecular biology, 2019 - Elsevier
Type II topoisomerases regulate DNA topology by making a double-stranded break in one
DNA duplex, transporting another DNA segment through this break and then resealing it …

Topoisomerase II and leukemia

MJ Pendleton, RH Lindsey Jr, CA Felix… - Annals of the New …, 2014 - Wiley Online Library
Type II topoisomerases are essential enzymes that modulate DNA under‐and overwinding,
knotting, and tangling. Beyond their critical physiological functions, these enzymes are the …

Fluoroquinolone-gyrase-DNA complexes: two modes of drug binding

A Mustaev, M Malik, X Zhao, N Kurepina, G Luan… - Journal of Biological …, 2014 - ASBMB
DNA gyrase and topoisomerase IV control bacterial DNA topology by breaking DNA,
passing duplex DNA through the break, and then resealing the break. This process is …

Non-quinolone inhibitors of bacterial type IIA topoisomerases: a feat of bioisosterism

C Mayer, YL Janin - Chemical reviews, 2014 - ACS Publications
DNA gyrase and topoisomerase IV are the bacterial type IIA topoisomerases. These are
ubiquitous nucleic acid-dependent nanomachines, essential to cell life, that solve DNA …

Interactions between Gepotidacin and Escherichia coli Gyrase and Topoisomerase IV: Genetic and Biochemical Evidence for Well-Balanced Dual-Targeting

AA Oviatt, EG Gibson, J Huang, K Mattern… - ACS infectious …, 2024 - ACS Publications
Antimicrobial resistance is a global threat to human health. Therefore, efforts have been
made to develop new antibacterial agents that address this critical medical issue …

The metal dependence of single-metal mediated phosphodiester bond cleavage: a QM/MM study of a multifaceted human enzyme

R Kaur, MM Aboelnga, DJ Nikkel… - Physical Chemistry …, 2022 - pubs.rsc.org
Nucleases catalyze the cleavage of phosphodiester bonds in nucleic acids using a range of
metal cofactors. Although it is well accepted that many nucleases rely on two metal ions, the …

Drug Interactions with Bacillus anthracis Topoisomerase IV: Biochemical Basis for Quinolone Action and Resistance

KJ Aldred, SA McPherson, P Wang, RJ Kerns… - Biochemistry, 2012 - ACS Publications
Bacillus anthracis, the causative agent of anthrax, is considered a serious threat as a
bioweapon. The drugs most commonly used to treat anthrax are quinolones, which act by …

Quinoline-2-carboxaldehyde thiosemicarbazones and their Cu (II) and Ni (II) complexes as topoisomerase IIa inhibitors

F Bisceglie, A Musiari, S Pinelli, R Alinovi… - Journal of inorganic …, 2015 - Elsevier
A series of quinoline-2-carboxaldehyde thiosemicarbazones and their copper (II) and nickel
(II) complexes were synthesized and characterized. In all complexes the ligands are in the E …

DNA cleavage and opening reactions of human topoisomerase IIα are regulated via Mg2+-mediated dynamic bending of gate-DNA

S Lee, SR Jung, K Heo, JAW Byl… - Proceedings of the …, 2012 - National Acad Sciences
Topoisomerase II resolves intrinsic topological problems of double-stranded DNA. As part of
its essential cellular functions, the enzyme generates DNA breaks, but the regulation of this …