Isolation, identification and antimicrobial activities of two secondary metabolites of Talaromyces verruculosus.

Isolation, identification and antimicrobial activities of two secondary metabolites of Talaromyces verruculosus.
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疣状踝节菌两种次生代谢产物的分离、鉴定及抗菌活性

DOI:
10.3390/molecules171214091
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发表时间:
2012-11-28
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Zhou L
Zhou L
中科院分区:
其他
文献类型:
--
作者:
Miao F;Yang R;Chen DD;Wang Y;Qin BF;Yang XJ;Zhou L

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从瑞香狼毒根际真菌疣状篮状菌培养液的乙酸乙酯提取物中,对(−)-8-羟基-3-(4-羟基戊基)-3,4-二氢异香豆素(1)和(E)-3-(2,5-二氧代-3-(丙-2-亚基)吡咯烷-1-基)丙烯酸(2)进行了分离和抗菌活性评价。其结构经UV、IR、MS、1H-NMR、13 C-NMR和2D-NMR确证。化合物1对两种细菌和四种真菌具有明显的体外抗菌活性。化合物2在100 µg mL−1时对真菌具有轻微活性,但对细菌没有活性。化合物1可作为开发新型异香豆素类抗菌药物的先导化合物或模型化合物。
From the ethyl acetate extract of the culture broth of Talaromyces verruculosus, a rhizosphere fungus of Stellera chamaejasme L., (−)-8-hydroxy-3-(4-hydroxypentyl)-3,4-dihydroisocoumarin (1) and (E)-3-(2,5-dioxo-3-(propan-2-ylidene)pyrrolidin-1-yl)acrylic acid (2) were isolated and evaluated for their antimicrobial activities. Their structures were elucidated by UV, IR, MS, 1H-NMR, 13C-NMR and 2D NMR spectra. Compound 1 exhibited the significant activities in vitro against two strains of bacteria and four strains of fungi. Compound 2 gave slight activities on the fungi at 100 µg mL−1, but no activities on the bacteria. Compound 1 should be considered as a new lead or model compound to develop new isocoumarin antimicrobial agents.
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