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Secondary metabolites from endophytic Streptomyces aureofaciens CMUAc130 and their antifungal activity
Taechowisan, T ; Lu, CH ; Shen, YM ; Lumyong, S
2005
发表期刊MICROBIOLOGY-SGM
ISSN1350-0872
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
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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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