Ophiobolins from the Mangrove Fungus Aspergillus ustus

Tonghan Zhu, Zhenyu Lu, Jie Fan, Liping Wang, Guoliang Zhu, Yi Wang, Xia Li, Kui Hong, Pawinee Piyachaturawat, Arthit Chairoungdua, Weiming Zhu

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

Seven new ophiobolins (1-5, 12, and 14) along with the 11 known analogues (6-11, 13, 15-18) were isolated from the ethyl acetate extracts of the liquid and solid cultures of the mangrove fungus Aspergillus ustus 094102. The structures including the absolute configurations of the seven new compounds were elucidated by spectroscopic analysis, chemical methods, and quantum ECD calculations. Compounds 4-8 and 11-15 showed cytotoxicities against the G3K, MCF-7, MD-MBA-231, MCF/Adr, A549, and HL-60 human cancer cell lines with the IC 50 values ranging from 0.6 to 9.5 μM.

Original languageEnglish
Pages (from-to)2-9
Number of pages8
JournalJournal of Natural Products
Volume81
Issue number1
DOIs
Publication statusPublished - 26 Jan 2018
Externally publishedYes

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