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Impact of plant domestication on rhizosphere microbiome assembly and functions

Authors
  • Pérez-Jaramillo, Juan E.1, 2
  • Mendes, Rodrigo3
  • Raaijmakers, Jos M.1, 2
  • 1 Netherlands Institute of Ecology (NIOO-KNAW), Department of Microbial Ecology, Wageningen, 6708 PB, The Netherlands , Wageningen (Netherlands)
  • 2 Leiden University, Sylvius Laboratories, Institute of Biology, Sylviusweg 72, Leiden, 2333 BE, The Netherlands , Leiden (Netherlands)
  • 3 Brazilian Agricultural Research Corporation, Embrapa Environment, Laboratory of Environmental Microbiology, Rodovia SP 340 - km 127.5, Jaguariúna, 13820-000, Brazil , Jaguariúna (Brazil)
Type
Published Article
Journal
Plant Molecular Biology
Publisher
Springer Netherlands
Publication Date
Jun 18, 2015
Volume
90
Issue
6
Pages
635–644
Identifiers
DOI: 10.1007/s11103-015-0337-7
Source
Springer Nature
Keywords
License
Green

Abstract

The rhizosphere microbiome is pivotal for plant health and growth, providing defence against pests and diseases, facilitating nutrient acquisition and helping plants to withstand abiotic stresses. Plants can actively recruit members of the soil microbial community for positive feedbacks, but the underlying mechanisms and plant traits that drive microbiome assembly and functions are largely unknown. Domestication of plant species has substantially contributed to human civilization, but also caused a strong decrease in the genetic diversity of modern crop cultivars that may have affected the ability of plants to establish beneficial associations with rhizosphere microbes. Here, we review how plants shape the rhizosphere microbiome and how domestication may have impacted rhizosphere microbiome assembly and functions via habitat expansion and via changes in crop management practices, root exudation, root architecture, and plant litter quality. We also propose a “back to the roots” framework that comprises the exploration of the microbiome of indigenous plants and their native habitats for the identification of plant and microbial traits with the ultimate goal to reinstate beneficial associations that may have been undermined during plant domestication.

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