Study on Angelica sinensis endophytic fungi and its antibacterial activity

被引:4
|
作者
Yang, Mingjun [1 ]
Wang, Yonggang [1 ]
Liu, Xiaofeng [1 ]
Wu, Jing [2 ]
Qian, Jiaoling [1 ]
机构
[1] Lanzhou Univ Technol, Lanzhou, Peoples R China
[2] Lanzhou Jinchuan New Mat Co Ltd, Lanzhou, Peoples R China
来源
BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING II, PTS 1 AND 2 | 2013年 / 641-642卷
关键词
Angelica sinensis; endophytic fungi; antibacterial activity; MIC;
D O I
10.4028/www.scientific.net/AMR.641-642.816
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Method Endophytic Fungi were isolated from the stem, leaves and root of Angelica sinensis by the surface sterilization method and scoring method, the antimicrobial activity from isolated endophytic fungi were detected using filter paper method with Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae as indicator microorganisms. the partial isolates were identified based on morphological characteristics and classified according to ITS-rDNA sequences analysis. Result A total of 28 endophytic were isolated from the different tissues of the Angelica sinensis, antibiotic activity of the strain AS-R109 and AS-R203 against four indicator microorganisms were the highest, with inhibiting zones diameter of 18, 22, 25, 20 and20,22,19,23 mm respectively at concentration of 10mg/mL. With morphology and molecular biology identification, AS-R109 and AS-R203 was determined to belong to the genus for Alternaria sp. and Penicillium sp., respectively.
引用
收藏
页码:816 / +
页数:2
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