A new acyclic peroxide from Aspergillus nidulans SD-531, a fungus obtained from deep-sea sediment of cold spring in the South China Sea

L(U) Fengyi; LI Xiaoming; CHI Luping; MENG Linghong; WANG Bingui

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A new acyclic peroxide from Aspergillus nidulans SD-531, a fungus obtained from deep-sea sediment of cold spring in the South China Sea

机译：一种来自构巢曲霉SD-531的新型无环过氧化物，一种从南海冷泉深海沉积物中获得的真菌

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摘要

A new acyclic peroxide derivative asperoxide A(1),along with 13 known compounds,namely,microperfuranone(2),9-hydroxymicroperfuranone(3),gibellulin A(4),lecanoric acid(5),terrequinone A(6),sterigmatocystin(7),isosecosterigmatocystin(8),arugosin C(9),curvularin(10),3,3'-diindolylmethane(11),austinol(12),austin(13),and dehydroaustin(14),were isolated and identified from the culture extract of Aspergillus nidulans SD-531,a fungus obtained from the deep-sea sediment of cold spring in the South China Sea.Their structures were determined based on detailed interpretation of nuclear magnetic resonance(NMR)spectroscopic and mass spectrometry data analysis.All the isolated compounds were evaluated for antimicrobial activities against human and aquatic bacteria as well as plant pathogenic fungi.Compounds 1–8,10,and 11 exhibited antimicrobial activities against some of the tested strains with minimum inhibitory concentration(MIC)values ranging from^2 to 64μg/mL.Compounds 4 and 6 displayed strongest activities among the tested samples and might be used as promising molecules for the development of natural antimicrobial agents.

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来源
《中国海洋湖沼学报（英文版）》 |2020年第4期|1225-1232|共8页
作者
L(U) Fengyi; LI Xiaoming; CHI Luping; MENG Linghong; WANG Bingui;
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作者单位

Key Laboratory of Experimental Marine Biology Institute of Oceanology Chinese Academy of Sciences and Laboratory of Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;

College of Earth Science University of Chinese Academy of Sciences Beijing 100049 China;

Key Laboratory of Experimental Marine Biology Institute of Oceanology Chinese Academy of Sciences and Laboratory of Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;

Center for Ocean Mega-Science Chinese Academy of Sciences Qingdao 266071 China;

Key Laboratory of Experimental Marine Biology Institute of Oceanology Chinese Academy of Sciences and Laboratory of Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;

College of Earth Science University of Chinese Academy of Sciences Beijing 100049 China;

Key Laboratory of Experimental Marine Biology Institute of Oceanology Chinese Academy of Sciences and Laboratory of Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;

Center for Ocean Mega-Science Chinese Academy of Sciences Qingdao 266071 China;

Key Laboratory of Experimental Marine Biology Institute of Oceanology Chinese Academy of Sciences and Laboratory of Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;

Center for Ocean Mega-Science Chinese Academy of Sciences Qingdao 266071 China;

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A new acyclic peroxide from Aspergillus nidulans SD-531, a fungus obtained from deep-sea sediment of cold spring in the South China Sea

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