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A rare fungal hopane-type triterpenoid glycoside fumihopaside A was identified by genome mining in combination with HPLC-MS/MS in Aspergillus fumigatus. Combining genetic deletions in A. fumigatus with heterologous reconstitutions in… Click to show full abstract
A rare fungal hopane-type triterpenoid glycoside fumihopaside A was identified by genome mining in combination with HPLC-MS/MS in Aspergillus fumigatus. Combining genetic deletions in A. fumigatus with heterologous reconstitutions in Aspergillus nidulans of the afum gene cluster, we identified one fungal squalene hopane cyclase AfumA charging the cyclization of the hopene skeleton, one cytochrome P450, and one UDP-glycosyltransferase. Bioassays indicated that fumihopaside A plays important roles in protecting A. fumigatus against heat or ultraviolet stress.
Journal Title: Organic letters
Year Published: 2019
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