Study of the anti-sapstain fungus activity of Bacillus amyloliquefaciens CGMCC 5569 associated with Ginkgo biloba and identification of its active components

文献类型： 外文期刊

第一作者： Yuan, Bo

作者： Yuan, Bo;Wang, Zhe;Qin, Sheng;Zhao, Gui-Hua;Feng, You-Jian;Wei, Li-Hui;Jiang, Ji-Hong;Wei, Li-Hui;Zhao, Gui-Hua

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关键词： Anti-sapstain fungi activity;Bacillus amyloliquefaciens CGMCC 5569;Lipopeptides;Sapstain fungi

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

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收录情况： SCI

摘要： An endophytic bacterium, designated strain Bacillus amyloliquefaciens CGMCC 5569 was isolated from Chinese medicinal Ginkgo biloba collected from Xuzhou, China. Both the filtrate and the ethyl acetate extract of strain CGMCC 5569 showed growth inhibition activity against the sapstain fungi Lasiodiplodia rubropurpurea, L. crassispora, and L. theobromae obviously (>65%) based on the comparison of the length of zones on the petri dish. From the ethyl acetate extract of the filtrate, the antifungal compounds were obtained as a series of lipopeptides, which including series of fengycin, surfactin and bacillomycin. It showed strong growth inhibition activity in vitro against the L. rubropurpurea, L. crassispora and L. theobromae by about 70.22%, 69.53% and 78.76%, respectively. The strong anti-sapstain fungus activity indicated that the endophytic B. amyloliquefaciens CGMCC 5569 and its bioactive components might provide an alternative bio-resource for the bio-control of sapstain.

分类号： Q

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