Two New Solanapyrone Analogues from the Endophytic Fungus Nigrospora sp YB-141 of Azadirachta indica

被引:47
|
作者
Wu, Shao-Hua [1 ]
Chen, You-Wei [1 ]
Shao, Shi-Cheng [1 ]
Wang, Li-Dong [1 ]
Yu, Ying [1 ]
Li, Zhi-Ying [1 ]
Yang, Li-Yuan [1 ]
Li, Shao-Lan [1 ]
Huang, Rong [2 ]
机构
[1] Yunnan Univ, Yunnan Inst Microbiol, Kunming 650091, Yunnan, Peoples R China
[2] Yunnan Univ, Lab Ctr, Kunming 650091, Yunnan, Peoples R China
关键词
DIELS-ALDER REACTION; ASCOCHYTA-RABIEI; ALTERNARIA-SOLANI; A; JUSS; NEEM; BIOSYNTHESIS; PHYTOTOXINS; METABOLITES; MYCOFLORA; BLIGHT;
D O I
10.1002/cbdv.200700421
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Two new solanapyrone analogues, solanapyrones N and O (1 and 2, resp.), and three known compounds, solanapyrone C (3), nigrosporalactone (4), and phomalactone (5), were isolated from the fermentation culture of Nigrospora sp. YB-141, an endophytic fungus isolated from Azadirachta indica A. Juss. The structures of the new compounds were elucidated on the basis of spectroscopic analysis. The antifungal activities of 1-5 towards seven phytopathogenic fungi were tested. Most of the compounds exhibited no or only weak antifungal activities,
引用
收藏
页码:79 / 85
页数:7
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