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Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
15:14

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control

Published on: April 11, 2013

[Correlation between inhibition activity of endophytic fungus from Euphorbia pekinensis and its host]

Chuanchao Dai1, Boyang Yu, Yuting Zhao

  • 1Jiangsu Key Laboratory for Bioresource Technology, Life Science College of Nanjing Normal University, Nanjing 210097, China. daichuanchao@njnu.edu.cn

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|October 29, 2005
PubMed

Insights

Endophytic fungus E5 from Euphorbia pekinensis inhibits its host, with activity influenced by environmental factors. This mutualistic relationship highlights potential for new medicinal resources.

Area of Science:

  • Mycology
  • Plant Pathology
  • Medicinal Botany

Context:

  • Endophytic fungi reside within plant tissues, often exhibiting complex interactions with their hosts.
  • Medicinal plants are a rich source of bioactive compounds and associated microorganisms.
  • Understanding host-endophyte relationships is crucial for discovering novel biological resources.

Purpose:

  • To investigate the correlation between the endophytic fungus Fusarium sp. E5 and its host plant, Euphorbia pekinensis.
  • To analyze the inhibitory activity of E5 and its modulation by host plant extracts and environmental conditions.
  • To establish the nature of the interaction as mutualistic.

Summary:

  • Endophytic Fusarium sp. E5 isolated from Euphorbia pekinensis demonstrated significant inhibitory activity against its host.
  • This inhibitory effect was enhanced by Euphorbia pekinensis leaf extract and required adequate oxygen, with notable sensitivity to pH, temperature, and UV radiation.
  • An endophytic strain S12 (Alternaria sp.) from Sapium sebiferum served as a control, showing no such inhibitory effect or host stimulation.

Impact:

  • The findings reveal a strong, mutualistic correlation between endophytic fungus E5 and Euphorbia pekinensis.
  • This research contributes to the development of endophytic fungi as a resource for medicinal applications.
  • The study underscores the importance of environmental factors in regulating endophytic fungus activity and host interactions.

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