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Indian Journal of Microbiology

, Volume 53, Issue 2, pp 175–180 | Cite as

Antifungal Metabolites Produced by Chaetomium globosum No.04, an Endophytic Fungus Isolated from Ginkgo biloba

  • Guizhen Zhang
  • Yanhua Zhang
  • Jianchun Qin
  • Xiaoyan Qu
  • Jinliang Liu
  • Xiang Li
  • Hongyu PanEmail author
Original Article

Abstract

The fungal endophyte Chaetomium globosum No.04 was isolated from the medicinal plant Ginkgo biloba. The crude extract of the fungus fermentation were active in the agar-diffusion tests against the phytopathogenic fungi Rhizopus stolonifer and Coniothyrium diplodiella. Further bioassay-guided chemical investigation led to the isolation and purification of six alkaloids and three non-targeted compounds from 50 L fermentation of this endophytic fungus and their structures were elucidated as chaetoglobosin A, C, D, E, G, R (1-6), ergosterol, allantoin and uracil, by means of spectroscopic analysis. Compounds 1-6 showed significant growth inhibitory activity against R. stolonifer and C. diplodiella at a concentration of 20 μg/disc. We present here, for the first time, the potent antifungal activity of chaetoglobosins from endophytic fungi against two important phytopathogenic fungi R. stolonifer and C. diplodiella.

Keywords

Chaetomium globosum Antifungal activity Chaetoglobosins 

Notes

Acknowledgments

This study was supported by the grants from National Natural Science Foundation of China (31271991),The ministry of education doctoral program funds(20120061110082), the Ministry of Agriculture Public Benefit Industry of the People’s Republic of China (20113016), and the project of National Key Technology R&D Program in the 12th Five year Plan of China (2012BAD19B04).

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Copyright information

© Association of Microbiologists of India 2013

Authors and Affiliations

  • Guizhen Zhang
    • 1
  • Yanhua Zhang
    • 1
  • Jianchun Qin
    • 1
  • Xiaoyan Qu
    • 1
  • Jinliang Liu
    • 1
  • Xiang Li
    • 1
  • Hongyu Pan
    • 1
    Email author
  1. 1.College of Plant SciencesChangchunChina

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