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海洋来源真菌Aspergillus sp.SCSIO 41501中含氮化合物 被引量:5

N-containing Compounds of Marine-derived Fungus Aspergillus sp. SCSIO 41501
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摘要 通过多种色谱柱层析(包括凝胶Sephadex LH-20、正相硅胶、中压液相色谱和高效液相色谱)分离手段,从来源于南海柳珊瑚Melitodessquamata的一株共附生真菌Aspergillus sp.SCSIO 41501的发酵液中分离纯化了11个含氮化合物,它们的化学结构通过核磁共振和质谱等技术分别鉴定为13-(S)-赭曲霉素A(1)、13-(S)-甲酯化赭曲霉素A(2)、13-(R)-赭曲霉素A(3)、4-(R)-OH-赭曲霉素A(4)、18-OH-赭曲霉素A(5)、transtorine(6)、quinolactacin C1(7)、marinamide(8)、methyl marinamide(9)、aspergilliamide(10)、anoectochine(11)。所有化合物进行了抗菌实验,其中化合物2对大肠杆菌、枯草芽孢杆菌、金黄色葡萄球菌具有较强的活性,其MIC值分别为31.25、7.8、15.6μg/m L,化合物3显示中等抗菌活性,其MIC值分别为62.5、31.25、62.5μg/m L。 Eleven N-containing compounds were isolated from a culture broth of the fungal strainAspergillus sp. SCSIO 41501 isolated from the China South Sea gorgonian Melitodessquamata. They were identified asl3-(S)-ochratoxin A ( 1 ), 13- (S) -ochratoxin A methyl ester ( 2 ), 13- (R) -ochratoxin A (3) ,4- (R) -OH-ochratoxin A (4), 18-OH-ochratox- in A ( 5 ), transtorine ( 6 ), quinolactacin C1 ( 7 ), marinamide ( 8 ), methyl Marinamide ( 9 ), aspergilliamide ( 10 ), and anoectochine(11) on the basis of spectroscopic analyses (1D NMR and ESI-MS) and by comparison of the NMR data with literatures. All the compounds were tested for their antibacterial activity. Compounds2and 3 showed moderateantibacterial activity against Escherichia coli, Bacillus subtilis and Staphylococcus aureus with MIC values of 31.25,7.8,15.6 μg/mL for 2, and 62.5,31.25,62.5μg/mL for 3, respectively.
作者 马宣 农旭华 黄钟辉 梁潇 王洁 漆淑华 MA Xuan NONG Xu-hua HUANG Zhong-hui LIANG Xiao WANG Jie QI Shu-hua(Key Laboratory of Marine Bio-resources Sustainable Utilization, Guangdong Key Laboratory of Marine MateriaMedica ,Research Center for Marine Microbes, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou 510301, China Graduate University of the Chinese Academy of Sciences, Beijing 100049, China)
出处 《天然产物研究与开发》 CAS CSCD 北大核心 2017年第7期1136-1140,共5页 Natural Product Research and Development
基金 国家自然科学基金(41376160 81673326)
关键词 海洋真菌 ASPERGILLUS sp.SCSIO 41501 含氮化合物 marine fungus Aspergillus sp. SCSIO 41501 secondary metabolism
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