Nutritional regulation of root development

Wiley Interdisciplinary Reviews. Developmental Biology
León Francisco Ruiz HerreraJosé López-Bucio

Abstract

Mineral nutrients such as nitrogen (N), phosphorus (P), and iron (Fe) are essential for plant growth, development, and reproduction. Adequate provision of nutrients via the root system impacts greatly on shoot biomass and plant productivity and is therefore of crucial importance for agriculture. Nutrients are taken up at the root surface in ionic form, which is mediated by specific transport proteins. Noteworthy, root tips are able to sense the local and internal concentrations of nutrients to adjust growth and developmental processes, and ultimately, to increase or decrease the exploratory capacity of the root system. Recently, important progress has been achieved in identifying the mechanisms of nutrient sensing in wild- and cultivated species, including Arabidopsis, bean, maize, rice, lupin as well as in members of the Proteaceae and Cyperaceae families, which develop highly sophisticated root clusters as adaptations to survive in soils with very low fertility. Major findings include identification of transporter proteins and transcription factors regulating nutrient sensing, miRNAs as mobile signals and peptides as repressors of lateral root development under heterogeneous nutrient supply. Understanding the roles played by ...Continue Reading

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Citations

Feb 3, 2016·Frontiers in Plant Science·Alessandro ManoliSilvia Quaggiotti
May 24, 2020·The Plant Journal : for Cell and Molecular Biology·Kirán R Jiménez-VázquezJosé López-Bucio
Jun 27, 2017·Journal of Integrative Plant Biology·Abigail P FerrieriMatthias Erb
Dec 12, 2019·Frontiers in Plant Science·Luigi Gennaro IzzoGiovanna Aronne
Oct 10, 2020·The New Phytologist·Javier Raya-GonzálezLuis Herrera-Estrella
Nov 17, 2020·Frontiers in Plant Science·Vijay KumarKarl-Josef Dietz
Jun 22, 2020·Plant Science : an International Journal of Experimental Plant Biology·Jiu-Cheng ZhangYu-Jin Hao

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