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Updated: May 14, 2026

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Use of Artificial Sputum Medium to Test Antibiotic Efficacy Against Pseudomonas aeruginosa in Conditions More Relevant to the Cystic Fibrosis Lung
Published on: June 5, 2012
Direct assessment of metabolite utilization by Pseudomonas aeruginosa during growth on artificial sputum medium
Volker Behrends1, Benedikt Geier, Huw D Williams
1Department of Surgery and Cancer, Imperial College London, London, United Kingdom.
Applied and Environmental Microbiology
|January 29, 2013
Abstract:
We grew Pseudomonas aeruginosa in LB and artificial sputum medium (ASM) (filtered and unfiltered) and quantified metabolite utilization and excretion by nuclear magnetic resonance (NMR) spectroscopy (metabolic footprinting or extracellular metabolomics). Utilization rates were similar between media, but there were differences in excretion-e.g., acetate was produced only in unfiltered ASM.

