title: Improved assay of 4-hydroxybenzoic acid, biosynthetic precursor of coenzyme A.
mesh_terms: D001565:Benzoates / Q000032:analysis* / Q000378:metabolism / Q000494:pharmacology; D001681:Biological Assay; D003470:Culture Media; D004926:Escherichia coli / Q000187:drug effects / Q000254:growth & development; D005827:Genetics, Microbial; D008722:Methods; D009154:Mutation; D010636:Phenols / Q000032:analysis / Q000494:pharmacology; D014451:Ubiquinone / Q000032:analysis* / Q000096:biosynthesis
chemical_list: D001565:Benzoates; D003470:Culture Media; D010636:Phenols; D014451:Ubiquinone