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Streptoxamine, an unprecedented benzoisoindole-deferoxamine hybrid from the locust-derived Streptomyces sp HKHCa2

文献类型: 外文期刊

作者: Guo, Zhi Kai 1 ; Wang, Rong 2 ; Chen, Fu Xiao 2 ; Liu, Tian Mi 3 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, Haikou 571101, Hainan, Peoples R China

2.Hainan Acad Ocean & Fisheries Sci, Haikou 570203, Hainan, Peoples R China

3.Hainan Testing Ctr Qual & Safety Aquat Prod, Haikou 570206, Hainan, Peoples R China

关键词: Streptoxamine; Streptomyces sp HKHCa2; Locust; Antibacterial activity

期刊名称:FITOTERAPIA ( 影响因子:2.882; 五年影响因子:3.202 )

ISSN: 0367-326X

年卷期: 2018 年 127 卷

页码:

收录情况: SCI

摘要: An unusual benzoisoindole-deferoxamine hybrid, streptoxamine (1), has been isolated from the ethyl acetate crude extract of the fermentation broth of a locust-associated actinomycete, Streptomyces sp. HKHCa2, which was isolated from an insect, Oxya chinensis. The structure of this secondary metabolite was elucidated on the basis of its one-dimension, two-dimension NMR, and mass spectroscopic data. This natural product features a hybrid pattern of a benzoisoindole with an "iron carrier" deferoxamine B through C-N linkage. Compound 1 showed weak antibacterial activity against the gram-positive bacteria, Staphylococcus aureus and Mycobacterium smegmatis.

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