Induction of funitatin A, a new polyketide from the Yellow River wetland-derived fungus Talaromyces funiculosus
2022
Abstract A new, highly modified fatty acid ester, funitatin A (1), was isolated from the Yellow River wetland-derived fungus Talaromyces funiculosus HPU-Y01 cultivated with the histone deacetylase inhibitor suberoylanilide hydroxamic acid (SAHA). The structure of 1 was established by analysis of NMR and HRESIMS data. Compound 1 featured a rare dimeric cyclopaldic acid structure and showed promising antimicrobial activity against both Proteus species and Escherichia coli with MIC values of 3.13 μM.
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