Christopher Martin Brackett

Works (3)

Updated: July 5th, 2023 15:42

2019 journal article

Small Molecule Potentiation of Gram-Positive Selective Antibiotics against Acinetobacter baumannii

ACS INFECTIOUS DISEASES, 5(7), 1223–1230.

By: S. Martin*, R. Melander*, C. Brackett n, A. Scott *, C. Chandler *, C. Nguyen  n, B. Minrovic*, S. Harrill n ...

author keywords: antibiotic adjuvant; antibiotic resistance; Acinetobacter baumannii; macrolide antibiotics; glycopeptide antibiotics; lipopolysaccharide
MeSH headings : Acinetobacter Infections / drug therapy; Acinetobacter baumannii / drug effects; Animals; Anti-Bacterial Agents / administration & dosage; Anti-Bacterial Agents / pharmacology; Bacterial Outer Membrane / drug effects; Disease Models, Animal; Drug Resistance, Multiple, Bacterial / drug effects; Drug Synergism; Glycopeptides / administration & dosage; Glycopeptides / pharmacology; Macrolides / administration & dosage; Macrolides / pharmacology; Microbial Sensitivity Tests; Moths; Small Molecule Libraries / administration & dosage; Small Molecule Libraries / pharmacology
TL;DR: Two adjuvant compounds are identified that dramatically enhance sensitivity of Acinetobacter baumannii to macrolide and glycopeptide antibiotics, with reductions in minimum inhibitory concentrations as high as 256-fold, and mode of action studies indicate that these adjuvants likely work by modulating lipopolysaccharide synthesis or assembly. (via Semantic Scholar)
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Source: Web Of Science
Added: August 5, 2019

2015 journal article

Second generation modifiers of colistin resistance show enhanced activity and lower inherent toxicity

TETRAHEDRON, 72(25), 3549–3553.

By: C. Brackett n, R. Furlani n, R. Anderson  n, A. Krishnamurthy n, R. Melander n, S. Moskowitz *, R. Ernst *, C. Melander n

author keywords: Antibiotic adjuvant; 2-Aminoimidazole; Colistin; ESKAPE pathogens; Acinetobacter baumannii; Pseudomonas aeruginosa
TL;DR: From these libraries, a new small molecule was identified that lowers the minimum inhibitory concentration of colistin by up to 32-fold greater than the parent compound while also displaying less inherent bacterial effect, thereby minimizing the likelihood of resistance evolution. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2014 journal article

Small-Molecule Suppression of beta-Lactam Resistance in Multidrug-Resistant Gram-Negative Pathogens

JOURNAL OF MEDICINAL CHEMISTRY, 57(17), 7450–7458.

By: C. Brackett n, R. Melander n, I. An n, A. Krishnamurthy n, R. Thompson n, J. Cavanagh n, C. Melander n

MeSH headings : Animals; Cell Line; Cell Survival / drug effects; Drug Resistance, Multiple, Bacterial / drug effects; Gram-Negative Bacteria / classification; Gram-Negative Bacteria / drug effects; Hemolysis / drug effects; Humans; Keratinocytes / cytology; Keratinocytes / drug effects; Microbial Sensitivity Tests; Sheep; Small Molecule Libraries / chemistry; Small Molecule Libraries / pharmacology; beta-Lactam Resistance / drug effects
TL;DR: A small molecule was identified from this library of aryl amide 2-aminoimidazoles that is capable of lowering the minimum inhibitory concentration of β-lactam antibiotics by up to 64-fold. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

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