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Beneficial effects of endophytic fungi colonization on plants

  • Lu Yan
  • Jing Zhu
  • Xixi Zhao
  • Junling ShiEmail author
  • Chunmei Jiang
  • Dongyan Shao
Mini-Review
  • 137 Downloads

Abstract

Due to increasingly limited water resources, diminishing farmland acreage, and potentially negative effects of climate change, an urgent need exists to improve agricultural productivity to feed the ever-growing population. Plants interact with microorganisms at all trophic levels, adapting growth, developmental, and defense responses within a complicated network of community members. Endophytic fungi have been widely reported for their ability to aid in the defense of their host plants. Currently, many reports focus on the application of endophytic fungi with the capability to produce valuable bioactive molecules, while others focus on endophytic fungi as biocontrol agents. Plant responses upon endophytic fungi colonization are also good for the immune system of the plant. In this paper, the possible mechanisms between endophytic fungi and their hosts were reviewed. During long-term evolution, plants have acquired numerous beneficial strategies in response to endophytic fungi colonization. The interaction of endophytic fungi with plants modulates the relationship between plants and both biotic and abiotic stresses. It has previously been reported that this endophytic relationship confers additional defensive mechanisms on the modulation of the plant immune system, as the result of the manipulation of direct antimicrobial metabolites such as alkaloids to indirect phytohormones, jasmonic acid, or salicylic acid. Furthermore, plants have evolved to cope with combinations of stresses and experiments are required to address specific questions related to these multiple stresses. This review summarizes our current understanding of the intrinsic mechanism to better utilize these benefits for plant growth and disease resistance. It contributes new ideas to increase plant fitness and crop productivity.

Keywords

Endophytic fungi Pathogen Plant immune responses Plant fitness Phytohormone Stress resistance 

Notes

Funding

This review is supported by the National Natural Science Fund of China (Grant No. 31471718, 31701722), the Modern Agricultural Industry Technology System (CARS-30), the National Key R&D Program of China (2017YFE0105300), the Key Research and Development Plan of Shaanxi Province (2017ZDXL-NY-0304), the China Postdoctoral Science Foundation (No. 2017M620471), the Shaanxi Provincial Natural Science Foundation (No. 2018JQ3054), and the Postdoctoral Research Project of Shaanxi Province (No. 2017BSHEDZZ103)

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Key Laboratory for Space Bioscience and Biotechnology, School of Life SciencesNorthwestern Polytechnical UniversityXi’anChina

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