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De novo psilocybin production in S. cerevisiae (A). LC-MS chromatograms confirming psilocybin, psilocin and tryptamine production in ST9327 (psilocybin biosynthetic pathway) compared to wild-type control strain ST9326 using authentic analytical standards. (B). Corresponding mass spectra for psilocybin, psilocin and tryptamine peaks in ST9327.
