This review synthesizes progress in pathway optimization, regulatory rewiring, and microbial cell factory design that has ...

A research team presents an overview of recent advances in the microbial biosynthesis of L-tryptophan (L-Trp) and its ...

The amino acids 5-hydroxytryptophan (5-HTP) and l-tryptophan are precursors of serotonin. 5-HTP is generally recommended over l-tryptophan because it crosses the blood-brain barrier at a higher rate, ...

If you’re feeling tired, irritable, have brain fog or trouble sleeping make sure you’re paying attention to tryptophan. This time of year, we usually associate tryptophan with napping after ...