Cytotoxic Polyketides with an Oxygen-Bridged Cyclooctadiene Core Skeleton from the Mangrove Endophytic Fungus Phomosis sp. A818

Autor: Wei Zhang, Baobing Zhao, Liangcheng Du, Yuemao Shen
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Molecules, Vol 22, Iss 9, p 1547 (2017)
Druh dokumentu: article
ISSN: 1420-3049
DOI: 10.3390/molecules22091547
Popis: Plant endophytic microorganisms represent a largely untapped resource for new bioactive natural products. Eight polyketide natural products were isolated from a mangrove endophytic fungus Phomosis sp. A818. The structural elucidation of these compounds revealed that they share a distinct feature in their chemical structures, an oxygen-bridged cyclooctadiene core skeleton. The study on their structure–activity relationship showed that the α,β-unsaturated δ-lactone moiety, as exemplified in compounds 1 and 2, was critical to the cytotoxic activity of these compounds. In addition, compound 4 might be a potential agonist of AMPK (5′-adenosine monophosphate-activated protein kinase).
Databáze: Directory of Open Access Journals