Fusarochromene isolated from the plant pathogenic fungus, Fusarium sacchari is closely related to a group of mycotoxins including fusarochromanone previously isolated from various Fusaria spp. Despite their assumed polyketide biogenesis, incorporation studies with 13C-labelled acetate, glycerol and tryptophans show that fusarochromene is unexpectedly derived via oxidative cleavage of the aromatic amino acid tryptophan. A putative biosynthetic gene cluster has been identified. This journal is
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Marshall, J. W., De Mattos-Shipley, K. M. J., Ghannam, I. A. Y., Munawar, A., Killen, J. C., Lazarus, C. M., … Simpson, T. J. (2021). Fusarochromene, a novel tryptophan-derived metabolite from: Fusarium sacchari. Organic and Biomolecular Chemistry, 19(1), 182–187. https://doi.org/10.1039/d0ob02031a
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