Gliorosein is a fungal metabolite produced by Gliocladium.1 It is an isomer of rubrogliocladin hydroquinone. Gliorosein has antibiotic activity against B. allii, B. subtilis, and E. coli.
References
1. Brian, P.W., Curtis, P.J., Howland, S.R., et al. Three new antibiotics from a species of Gliocladium. Experientia 7(7), 266-267 (1951).
















