Direct Assessment of Metabolite Utilization by Pseudomonas aeruginosa during Growth on Artificial Sputum Medium
Author(s) -
Volker Behrends,
Benedikt Geier,
Huw D. Williams,
Jacob G. Bundy
Publication year - 2013
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.03609-12
Subject(s) - metabolite , sputum , pseudomonas aeruginosa , metabolomics , excretion , microbiology and biotechnology , nuclear magnetic resonance spectroscopy , pseudomonas , extracellular , chemistry , biology , biochemistry , chromatography , bacteria , medicine , stereochemistry , tuberculosis , pathology , genetics
We grewPseudomonas 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.
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