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Annu Rev Plant Biol. 2016 Apr 29;67:619-42. doi: 10.1146/annurev-arplant-043015-111848. Epub 2016 Feb 22.

Environmental Control of Root System Biology.

Author information

1
Laboratorio Nacional de Genómica para la Biodiversidad (Langebio), Unidad de Genómica Avanzada, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Irapuato, Guanajuato 36821, Mexico; email: rrellan@langebio.cinvestav.mx.
2
PhytoSYSTEMS, University of Liège, 4000 Liège, Belgium; email: guillaume.lobet@ulg.ac.be.
3
Institut für Bio- und Geowissenschaften: Agrosphäre, Forschungszentrum Jülich, D-52425 Jülich, Germany.
4
Department of Plant Biology, Carnegie Institution for Science, Stanford, California 94305; email: jdinneny@carnegiescience.edu.

Abstract

The plant root system traverses one of the most complex environments on earth. Understanding how roots support plant life on land requires knowing how soil properties affect the availability of nutrients and water and how roots manipulate the soil environment to optimize acquisition of these resources. Imaging of roots in soil allows the integrated analysis and modeling of environmental interactions occurring at micro- to macroscales. Advances in phenotyping of root systems is driving innovation in cross-platform-compatible methods for data analysis. Root systems acclimate to the environment through architectural changes that act at the root-type level as well as through tissue-specific changes that affect the metabolic needs of the root and the efficiency of nutrient uptake. A molecular understanding of the signaling mechanisms that guide local and systemic signaling is providing insight into the regulatory logic of environmental responses and has identified points where crosstalk between pathways occurs.

KEYWORDS:

root modeling; root system architecture; root-environment interactions

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