Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity

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	Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity
	Taechowisan, T ; Lu, CH ; Shen, YM ; Lumyong, S
通讯作者	tewson84@hotmail.com
	2005
发表期刊	MICROBIOLOGY-SGM
ISSN	1350-0872
卷号	151 期号:Part 5 页码:1691-1695
摘要	Streptomyces aureofaciens CMUAc130 was isolated from the root tissue of Zingiber officinale Rosc. (Zingiberaceae). It was an antagonist of Colletotrichum musae and Fusarium oxysporum, the causative agents of anthracnose of banana and wilt of wheat, respectively. Evidence for the in vitro antibiosis of S. aureofaciens CMUAc130 was demonstrated by the zone of fungal-growth inhibition. Microscopic observations showed thickness and bulbous structures at the edges of the inhibited fungal hyphae. The culture filtrate and crude extract from this strain were all inhibitory to tested phytopathogenic fungi. The major active ingredients from the culture filtrate of S. aureofaciens CMUAc130 were purified by silica gel-column chromatography and identified to be (i) 5,7-dimethoxy-4-p-methoxylphenylcoumarin and (ii) 5,7-dimethoxy-4-phenylcoumarin by NMR and mass-spectral data, respectively. Bioassay studies showed that compounds (i) and (ii) had antifungal activities against tested fungi, and their MICs were found to be 120 and 150 mu g ml(-1), respectively. This is the first report of compounds (i) and (ii) from micro-organisms as active ingredients for the control of phytopathogenic fungi.
学科领域	Microbiology
收录类别	sci
语种	英语
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/13545
专题	离退休
推荐引用方式 GB/T 7714	Taechowisan, T,Lu, CH,Shen, YM,et al. Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity[J]. MICROBIOLOGY-SGM,2005,151(Part 5):1691-1695.
APA	Taechowisan, T,Lu, CH,Shen, YM,&Lumyong, S.(2005).Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity.MICROBIOLOGY-SGM,151(Part 5),1691-1695.
MLA	Taechowisan, T,et al."Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity".MICROBIOLOGY-SGM 151.Part 5(2005):1691-1695.

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