Epigenetic modifiers alter the secondary metabolite composition of a plant endophytic fungus, Pestalotiopsis crassiuscula obtained from the leaves of Fragaria chiloensis

The addition of the DNA methyltransferase inhibitor 500 μM 5-azacytidine to the culture medium of a plant endophytic fungus, Pestalotiopsis crassiuscula , obtained from the leaves of Fragaria chiloensis , dramatically altered the profiles of its metabolites and resulted in the isolation of one new c...

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Bibliographic Details
Published in:Journal of asian natural products research 2014-04, Vol.16 (4), p.412-417
Main Authors: Yang, Xiao-Long, Huang, Le, Ruan, Xiao-Li
Format: Article
Language:eng
Subjects:
DNA
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Summary:The addition of the DNA methyltransferase inhibitor 500 μM 5-azacytidine to the culture medium of a plant endophytic fungus, Pestalotiopsis crassiuscula , obtained from the leaves of Fragaria chiloensis , dramatically altered the profiles of its metabolites and resulted in the isolation of one new coumarin (1), along with six known compounds (2 – 7). HPLC profiles revealed that only compounds 3 , 4 , and 7 belonged to the new induced secondary metabolites. The structures of all isolated compounds were elucidated on the basis of extensive analysis of NMR spectra.
ISSN:1477-2213
1028-6020
1477-2213