Two new furanone-containing polyketides, linfuranones B and C, were isolated from a plant-associated actinomycete of the genus Sphaerimonospora. Their structures were determined by NMR and MS spectroscopic analyses, and the absolute configurations were established by anisotropic methods and chemical degradation approaches. In silico analysis of biosynthetic genes suggested that linfuranone B is generated from linfuranone C by oxidative cleavage of the polyketide chain. Linfuranones B and C induced preadipocyte differentiation into matured adipocytes at 20-40 μM without showing cytotoxicity.
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http://dx.doi.org/10.1021/acs.jnatprod.8b00071 | DOI Listing |
J Nat Prod
July 2018
Biotechnology Research Center , Toyama Prefectural University, Imizu , Toyama 939-0398 , Japan.
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