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Inhibitory activity of dihydrosanguinarine and dihydrochelerythrine against phytopathogenic fungi

文献类型： 外文期刊

作者： Feng, Gang 1 ; Zhang, Jing 1 ; Liu, Ying-Qian 3 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Danzhou 571737, Peoples R China

2.Minist Agr, Key Lab Monitoring & Control Trop Agr & Forest In, Danzhou 571737, Peoples R China

3.Lanzhou Univ, Sch Pharm, Lanzhou 730000, Peoples R China

关键词： Macleaya microcarpa;dihydrosanguinarine;dihydrochelerythrine;antifungal activity;phytopathogenic fungi

期刊名称：NATURAL PRODUCT RESEARCH （ 影响因子：2.861； 五年影响因子：2.572 ）

ISSN： 1478-6419

年卷期： 2011 年 25 卷 11 期

页码：

收录情况： SCI

摘要： The antifungal activities of dihydrosanguinarine and dihydrochelerythrine, isolated from the leaves of Macleaya microcarpa, were evaluated on 12 plant pathogenic fungi; the two compounds exhibited the highest antifungal activity against Botrytis cinerea Pers. Among the 11 tested plant pathogenic fungi in vitro, the two compounds showed the highest antifungal activity against B. cinerea Pers, with 95.16% and 98.32% mycelial growth inhibition at 50 mu g mL(-1), respectively. In addition, the two compounds inhibited spore germination in vitro in a concentration-dependent manner. They also showed potent protective and curative effects against Erysiphe graminis and B. cinerea in vivo. This is the first report on the antifungal activity of dihydrosanguinarine and dihydrochelerythrine against pathogenic plant fungi.

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