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Hans Gmuender

Researcher at Hoffmann-La Roche

Publications -  11
Citations -  803

Hans Gmuender is an academic researcher from Hoffmann-La Roche. The author has contributed to research in topics: DNA gyrase & Antibacterial agent. The author has an hindex of 7, co-authored 11 publications receiving 779 citations.

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Novel inhibitors of DNA gyrase: 3D structure based biased needle screening, hit validation by biophysical methods, and 3D guided optimization. A promising alternative to random screening.

TL;DR: This work combines as key techniques an in silico screening for potential low molecular weight inhibitors, a biased high throughput DNA gyrase screen, validation of the screening hits by biophysical methods, and a 3D guided optimization process.
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Gene Expression Changes Triggered by Exposure of Haemophilus influenzae to Novobiocin or Ciprofloxacin: Combined Transcription and Translation Analysis

TL;DR: Treatment with the ATPase inhibitor Novobiocin changed the expression rates of many genes, reflecting the fact that the initiation of transcription for many genes is sensitive to DNA supercoiling.
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Pyrimido[1,6-a]benzimidazoles: a new class of DNA gyrase inhibitors.

TL;DR: Pyrimido[1,6-alpha]benzimidazoles 11 have been found to be a new class of inhibitors of this enzyme.
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New Antibacterial Agents Derived from the DNA Gyrase Inhibitor Cyclothialidine

TL;DR: Improving the pharmacokinetic properties of the most active compounds, in particular by lowering their lipophilic properties, was able to identify congeners of cyclothialidine that showed efficacy in vivo, and a modification program afforded a number of inhibitors that showed in vitro activity against Gram-positive bacteria.
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A new DNA gyrase inhibitor subclass of the cyclothialidine family based on a bicyclic dilactam-lactone scaffold. Synthesis and antibacterial properties.

TL;DR: After adjusting their lipophilicity by methyl-halogen exchange at the benzene ring, compounds of this series did not require the thioamide functionality to exert a decent antibacterial potency and consequently exhibited improved pharmacokinetic properties resulting in a pronounced in vivo efficacy in a mouse septicaemia infection model.