IN our earliest studies on the tryptophanase complex1 active non-viable suspensions of E. coli were used. These had been sterilized by shaking with chloroform, 1 volume to 2 volumes of suspension ...

Results Distinct shifts in taxonomic and functional profiles of gut microbiota and their related metabolites were observed in different IA stages. Notably, tryptophan metabolites, particularly indoxyl ...

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Interactions of tryptophan synthase, tryptophanase, and pyridoxal phosphate with oxindolyl-L-alanine and 2,3-dihydro-L-tryptophan: support for an indolenine intermediate in tryptophan metabolism ...