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

LÜFengyi; 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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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.

机译：一种新的无环过氧化物衍生物过氧化物A（1），以及13种已知化合物，分别是微过呋喃酮（2），9-羟基微过呋喃酮（3），姜黄素A（4），lecanoric酸（5），对苯二酚A（6），壳聚糖（7），分离并分离了异硫代胃泌素胃泌素（8），葡糖苷酶C（9），弯曲素（10），3,3''-二吲哚甲烷（11），奥斯汀（12），奥斯汀（13）和脱氢奥斯汀（14）从构巢曲霉SD-531（南海冷泉深海沉积物获得的一种真菌）中鉴定出来，其结构是根据对核磁共振（NMR）光谱和质谱数据的详细解释而确定的分析。所有分离出的化合物均对人和水生细菌以及植物病原性真菌具有抗菌活性。化合物1–8、10和11对某些测试菌株均具有最小抑菌浓度（MIC）值的抗菌活性。从^ 2到64μg/ mL。化合物4和6表现出强被测样品中的t活性，可以用作开发天然抗菌剂的有前途的分子。

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来源
《海洋湖沼学报（英文）》 |2020年第004期|P.1225-1232I0031-I0039|共17页
作者
LÜFengyi; 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 ChinaCollege 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 ChinaCenter 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 ChinaCollege 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 ChinaCenter 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 ChinaCenter for Ocean Mega-Science Chinese Academy of Sciences Qingdao 266071 China;

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收录信息中国科学引文数据库(CSCD);
原文格式 PDF
正文语种 chi
中图分类代数、数论、组合理论;
关键词
acyclic peroxide; Aspergillus nidulans; cold spring fungus; antimicrobial activity;

机译：无环过氧化物;构巢曲霉;冷春木耳;抗菌活性;

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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