Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 19, Issue 9, Pages 1960-1964Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ob00100k
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Funding
- National Key Research and Development Program of China [2018YFA0901901]
- National Natural Science Foundation of China [81872771]
- Key Research Program of Frontier Sciences, CAS [ZDBS-LY-SM016]
- Construction of the Registry and Database of Bioparts for Synthetic Biology, CAS [ZSYS-016]
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Two potential non-ribosomal peptide synthetases (NRPSs) were identified from the genome of a guanophilic fungus Amphichorda guana through bioinformatics analysis and gene knockout experiments. Subsequent LC-MS guided isolation led to the discovery of a novel cyclodepsipeptide, isaridin H (1), with significant antifungal activity against Botrytis cinerea and Alternaria solani.
Two potential non-ribosomal peptide synthetases (NRPSs) were identified in the genome of a guanophilic fungus Amphichorda guana by bioinformatics analysis and gene knockout experiments. Liquid chromatography coupled with mass spectrometry (LC-MS) guided isolation led to the discovery of a new cyclodepsipeptide isaridin H (1) and seven known analogs, desmethylisaridin E (2), isaridin E (3), isariin A (4), iso-isariin B (5), iso-isariin D (6), isariin E (7), and nodupetide (8). The absolute configuration of isaridin H (1) was achieved by Marfey's method. Isaridin H (1) showed significant antifungal activity against Botrytis cinerea and Alternaria solani.
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