Insecticidal action of Quinomycin A from Streptomyces sp KN-0647, isolated from a forest soil
文献类型: 外文期刊
第一作者: Zhang, Jie
作者: Zhang, Jie;Liu, Huamei;Qin, Sheng;Wang, Yongxia;Li, Wenjun;Qin, Sheng;Wang, Yongxia;Li, Wenjun
作者机构:
关键词: insecticidal activity;Quinomycin A 16S rRNA gene;Streptomyces sp
期刊名称:WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY ( 影响因子:3.312; 五年影响因子:3.58 )
ISSN: 0959-3993
年卷期: 2008 年 24 卷 10 期
页码:
收录情况: SCI
摘要: An actinomycete strain KN-0647 was isolated from a forest soil sample collected from Dali Cangshan mountain, Yunnan Province, China. The strain was identified as Streptomyces sp. according to the morphological, physiological characteristics and whole nucleotide sequence analysis of 16S rRNA gene, and could not be identified up to species level, just suggesting a potential new taxon. The ethyl acetate extract from this strain displayed growth inhibition on the test pathogenetic insects, such as Spodoptera exigua, Dendrolimus punctatus, Plutella xylostella, Aphis glycines and Culex pipiens. The active compound was isolated and identified through a combination of spectral and chemical methods (UR, MS, and (1)HNMR) as quinomycin A. This is the first report on the insecticidal activity of antibiotic quinomycin A.
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