Journal
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
Volume 76, Issue 9, Pages 1774-1776Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.120047
Keywords
Aspergillus versicolor; endophytic fungus; Sargassum thunbergii; anthraquinone derivative
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Funding
- Ministry of Science and Technology of China [2010CB833802]
- RNAM Center for Marine Microbiology of the Chinese Academy of Sciences [KSCX2-EW-G-12B]
- Natural Science Foundation of China [30910103914, 20902009]
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The new anthraquinone derivative, 6,8-di-O-methylaverantin (1), together with six known congeners (2-7), were characterized from a culture extract of the marine algous fungus, Aspergillus versicolor EN-7. Their structures were elucidated by spectroscopic methods. A bioassay showed compounds 1, 2 and 5 to have weak inhibition against Escherichia coli, while compound 5 also displayed weak inhibition against Staphylococcus aureus.
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