The therapeutic use of psilocybin, the active ingredient in “magic mushrooms,” is revolutionizing mental health care for a number of conditions, including depression, posttraumatic stress disorder (PTSD), and end-of-life care. This has spotlighted the current state of knowledge of psilocybin, including the organisms that endogenously produce it.
Abstract Psilocybin is a psychoactive compound with clinical applications produced by dozens of mushroom species 1 . There has been a longstanding interest in psilocybin research with regard to treatment for addiction 2 , depression 3 , and end-of-life suffering 4 . However, until recently very little was known about psilocybin biosynthesis and its ecological role. Here we confirm and refine...