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Position: Home > Articles > Antibacterial Metabolites from the Mycelia of the Cockchafer-Derived Streptomyces sp. BCa1 Chinese Journal of Tropical Crops 2015,36 (7) 1307-1311

铜绿金龟子肠道链霉菌Streptomyces sp.BCa1菌体的抗菌成分研究

作  者:
郭志凯;刘寿柏;马帅;王蓉
单  位:
海南省海洋与渔业科学院;中国热带农业科学院热带生物技术研究所
关键词:
铜绿金龟子;链霉菌;菌体;阿扎霉素;抗菌活性
摘  要:
为从昆虫来源的放线菌次级代谢产物中寻找药物先导分子,对铜绿金龟子幼虫肠道链霉菌Streptomyces sp.BCa1菌丝体化学成分进行了研究。通过活性跟踪,从其菌丝体的氯仿甲醇萃取物中分离得到主要成分1。利用高分辨质谱、一维和二维核磁波谱技术,将该主要成分1鉴定为具有双重旋转对称结构的不饱和大环内酯类抗生素阿扎霉素(elaiophylin),具有显著的抗金黄色葡萄球菌活性。该类化合物为首次从昆虫来源的放线菌中发现。
译  名:
Antibacterial Metabolites from the Mycelia of the Cockchafer-Derived Streptomyces sp. BCa1
作  者:
GUO Zhikai;LIU Shoubai;MA Shuai;WANG Rong;Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences /Key Laboratory of Biology and Genetic Resources of Tropical Crops,Ministry of Agriculture;Hainan Provincial Fisheries Research Institute;
关键词:
Anomala corpulenta Motsch;;Streptomyces sp.;;Mycelia;;Elaiophylin;;Antibacterial activity
摘  要:
In order to find drug leads from insect-associated actinomycetes, guided by antibacterial activity assay,a major bioactive constituent 1 was isolated from the organic solvent(chloroform and methanol mixture) extract of the mycelia of the cockchafer( Anomala corpulenta Motsch)-derived Streptomyces sp. BCa1. The compound was identified as elaiophylin(1), a symmetrical macrolide antibiotic with 16-membered unsaturated dilactone ring, on the basis of spectroscopic analyses including HR-ESI-MS, 1D and 2D NMR experiments. Compound 1 showed significant antibacterial activity against Staphylococcus aureus. This kind of compound was firstly reported from an insect-derived Streptomyces.

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