Abstract
A bacterium, designated as Moraxella sp., was enriched with 2-hydroxyphenylglyoxylate (2HPGA) as sole source of carbon and energy. Identified metabolites and enzyme activities determined with whole cells and extracts indicated that 2HPGA was degraded by an inducible sequence of enzymes via salicylaldehyde, salicylate, and gentisate; only minute amounts of salicylate were converted to catechol. Further evidence was obtained that permeases were necessary for the uptake of most aromatic compounds utilized for growth. For the direct determination of 2HPGA decarboxylase activity, an enzyme assay involving high-performance liquid chromatography for quantitation of the substrate was developped to study the initial step of the degradative pathway.
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Schmidt, V., Wittich, RM. & Fortnagel, P. Metabolism of 2-hydroxyphenylglyoxylate by Moraxella sp. strain VS1. Arch. Microbiol. 156, 213–217 (1991). https://doi.org/10.1007/BF00249117
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DOI: https://doi.org/10.1007/BF00249117