Forging New Antibiotic Combinations under Iron-Limiting Conditions
Derek C. K. Chan, Irene Guo, Lori L. Burrows
Abstract
Pseudomonas aeruginosa is a multidrug-resistant nosocomial pathogen. We showed previously that thiostrepton (TS), a Gram-positive thiopeptide antibiotic, is imported via pyoverdine receptors and synergizes with iron chelator deferasirox (DSX) to inhibit the growth of P. aeruginosa and Acinetobacter baumannii clinical isolates. A small number of P. aeruginosa and A. baumannii isolates were resistant to the combination, prompting us to search for other compounds that could synergize with TS against those strains.
Topics & Concepts
ThiostreptonPseudomonas aeruginosaAcinetobacter baumanniiMicrobiologyAntibioticsBiologyPyoverdinePathogenBacteriaGeneBiochemistryRNARibosomeGeneticsAntibiotic Resistance in BacteriaBacterial biofilms and quorum sensingPlant-based Medicinal Research