Skatole is an infamously smelly molecule that, in some anaerobic bacteria, is synthesized from ʟ-tryptophan in a four-step ...

Tryptophan is an essential amino acid, which is not only a building block for protein synthesis, but also a precursor for the biosynthesis of co-enzymes and neuromodulators, such as NAD/NADP(H), ...

Objective The extent to which tryptophan (Trp) metabolism alterations explain or influence the outcome of inflammatory bowel diseases (IBDs) is still unclear. However, several Trp metabolism ...