期刊
MARINE BIOTECHNOLOGY
卷 18, 期 3, 页码 409-417出版社
SPRINGER
DOI: 10.1007/s10126-016-9703-y
关键词
Marine fungus; Cochliobolus lunatus (TA26-46); Chemical epigenetic manipulation; DNA methyltransferase inhibitor; 5-Azacytidine; Diethyleneglycol phthalate ester oligomers
资金
- Program of National Natural Science Foundation of China [41130858, 41322037, U1406402]
- Program of Natural Science Foundation of Shandong Province of China [JQ201510]
- China Postdoctoral Science Foundation [2014M560582]
- Taishan Scholars Program of Shandong, China
Chemical epigenetic manipulation was applied to the marine-derived fungus Cochliobolus lunatus (TA26-46) with a DNA methyltransferase inhibitor resulting in the significant changes of the secondary metabolites. Cultivation of C. lunatus (TA26-46) with 5-azacytidine led to the isolation of seven new diethylene glycol phthalate esters, cochphthesters A -G (1-6, 10), along with four known analogues (7-9, 11). Their structures were determined by extensive NMR spectroscopic spectra as well as MS data. Compounds 2-6 and 8-11, characterized by the cross-polymerization of phthalate across diethylene glycol via ester bonds, represent the first example of naturally occurring phthalate ester oligomers.
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