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Plant health: feedback effect of root exudates-rhizobiome interactions

Authors
  • Olanrewaju, Oluwaseyi Samuel1
  • Ayangbenro, Ayansina Segun1
  • Glick, Bernard R.2
  • Babalola, Olubukola Oluranti1
  • 1 North-West University, Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, Mmabatho, 2735, South Africa , Mmabatho (South Africa)
  • 2 University of Waterloo, Department of Biology, Waterloo, ON, N2L 3G1, Canada , Waterloo (Canada)
Type
Published Article
Journal
Applied Microbiology and Biotechnology
Publisher
Springer-Verlag
Publication Date
Dec 20, 2018
Volume
103
Issue
3
Pages
1155–1166
Identifiers
DOI: 10.1007/s00253-018-9556-6
Source
Springer Nature
Keywords
License
Green

Abstract

The well-being of the microbial community that densely populates the rhizosphere is aided by a plant’s root exudates. Maintaining a plant’s health is a key factor in its continued existence. As minute as rhizospheric microbes are, their importance in plant growth cannot be overemphasized. They depend on plants for nutrients and other necessary requirements. The relationship between the rhizosphere-microbiome (rhizobiome) and plant hosts can be beneficial, non-effectual, or pathogenic depending on the microbes and the plant involved. This relationship, to a large extent, determines the fate of the host plant’s survival. Modern molecular techniques have been used to unravel rhizobiome species’ composition, but the interplay between the rhizobiome root exudates and other factors in the maintenance of a healthy plant have not as yet been thoroughly investigated. Many functional proteins are activated in plants upon contact with external factors. These proteins may elicit growth promoting or growth suppressing responses from the plants. To optimize the growth and productivity of host plants, rhizobiome microbial diversity and modulatory techniques need to be clearly understood for improved plant health.

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