Chemical constituents from the endophytic fungus Trichoderma ovalisporum isolated from Panax notoginseng

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• 作者：Lizhi Dang (1)
  Guohong Li (1)
  Zhongshan Yang (1)
  Shaoliu Luo (1)
  Xi Zheng (1)
  Keqin Zhang (1)
  
• 关键词：Trichoderma ovalisporum ; Panax notoginseng ; Endophyte ; ITS sequence ; Antimicrobial compounds
• 刊名：Annals of Microbiology
• 出版年：2010
• 出版时间：June 2010
• 年：2010
• 卷：60
• 期：2
• 页码：317-320
• 全文大小：115KB
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• 作者单位：Lizhi Dang (1)
  Guohong Li (1)
  Zhongshan Yang (1)
  Shaoliu Luo (1)
  Xi Zheng (1)
  Keqin Zhang (1)
  
  1. Laboratory for Conservation and Utilization of Bio-resource, and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming, 650091, China
  
• ISSN：1869-2044

文摘

Strain PRE-5 was isolated from the root of the herbal plant Panax notoginseng and was identified as Trichoderma ovalisporum based on its sequence at the internal transcribed spacer (ITS) regions. From the extracts of fermentation broth and mycelia of strain PRE-5, five compounds koninginin A (1), (E)-2,3-dihydroxypropyl octadec-9-enoate (2), shikimic acid (3), adenine ribonucleoside (4), and cytosine ribonucleoside (5) were obtained. Their structures were elucidated on the basis of their spectroscopic data. All compounds were assayed for antibacterial activity. Compound 3 showed activity against Staphylococcus aureus, Bacillus cereus, Micrococcus luteus and Escherichia coli.