Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis

Author:

Salas-González Isai12ORCID,Reyt Guilhem34ORCID,Flis Paulina34ORCID,Custódio Valéria5ORCID,Gopaulchan David34ORCID,Bakhoum Niokhor34ORCID,Dew Tristan P.34ORCID,Suresh Kiran6ORCID,Franke Rochus Benni6ORCID,Dangl Jeffery L.12ORCID,Salt David E.34ORCID,Castrillo Gabriel34ORCID

Affiliation:

1. Curriculum in Bioinformatics and Computational Biology, Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.

2. Howard Hughes Medical Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.

3. School of Biosciences, University of Nottingham, Sutton Bonington, UK.

4. Future Food Beacon of Excellence, University of Nottingham, Sutton Bonington, UK.

5. Instituto de Tecnologia Química e Biológica António Xavier, Universidad de Nova de Lisboa, Lisboa, Portugal.

6. Institute of Cellular and Molecular Botany, University of Bonn, Bonn, Germany.

Abstract

Microbes modify plant root permeability The root provides mineral nutrients and water to the plant. Diffusion barriers seal the root, preventing the loss of internal water and nutrients. Salas-González et al. found that microbes living on and in roots of the model plant Arabidopsis thaliana influence diffusion barrier formation, which affects the balance of mineral nutrients in the plant (see the Perspective by Busch and Chory). Plants with modified root diffusion barriers show altered bacterial community composition. Microbes tap into the plant's abscisic acid hormone signals to stabilize the root diffusion barrier against perturbations in environmental nutrient availability, thus enhancing plant stress tolerance. Science , this issue p. eabd0695 ; see also p. 125

Funder

National Science Foundation

Howard Hughes Medical Institute

Biotechnology and Biological Sciences Research Council

Royal Society

University Of Nottingham

Deutsche Forschungsgemeinschaft

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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