Lateral Root Formation and Nutrients: Nitrogen in the Spotlight

Overview

Journal Plant Physiol

Specialty Physiology

Date 2021 Mar 26

PMID 33768243

Citations 16

Authors

Pierre-Mathieu Pelissier

Hans Motte

Tom Beeckman

Affiliations

Soon will be listed here.

Abstract

Lateral roots are important to forage for nutrients due to their ability to increase the uptake area of a root system. Hence, it comes as no surprise that lateral root formation is affected by nutrients or nutrient starvation, and as such contributes to the root system plasticity. Understanding the molecular mechanisms regulating root adaptation dynamics toward nutrient availability is useful to optimize plant nutrient use efficiency. There is at present a profound, though still evolving, knowledge on lateral root pathways. Here, we aimed to review the intersection with nutrient signaling pathways to give an update on the regulation of lateral root development by nutrients, with a particular focus on nitrogen. Remarkably, it is for most nutrients not clear how lateral root formation is controlled. Only for nitrogen, one of the most dominant nutrients in the control of lateral root formation, the crosstalk with multiple key signals determining lateral root development is clearly shown. In this update, we first present a general overview of the current knowledge of how nutrients affect lateral root formation, followed by a deeper discussion on how nitrogen signaling pathways act on different lateral root-mediating mechanisms for which multiple recent studies yield insights.

Citing Articles

The Arabidopsis PIP1;1 Aquaporin Represses Lateral Root Development and Nitrate Uptake Under Low Nitrate Availability.

Schley T, Zhu T, Geist B, Crabos A, Dietrich D, Alandes R Plant Cell Environ. 2024; 48(2):1500-1513.

PMID: 39462913 PMC: 11695785. DOI: 10.1111/pce.15222.

The transcriptional integration of environmental cues with root cell type development.

Gouran M, Brady S Plant Physiol. 2024; 196(4):2150-2161.

PMID: 39288006 PMC: 11638006. DOI: 10.1093/plphys/kiae425.

Nitrate and ammonium, the yin and yang of nitrogen uptake: a time-course transcriptomic study in rice.

Pelissier P, Parizot B, Jia L, De Knijf A, Goossens V, Gantet P Front Plant Sci. 2024; 15:1343073.

PMID: 39246813 PMC: 11377263. DOI: 10.3389/fpls.2024.1343073.

Exogenous regulation of macronutrients promotes the accumulation of alkaloid yield in anisodus tanguticus (Maxim.) pascher.

Liu N, Chen C, Wang B, Wang X, Zhang D, Zhou G BMC Plant Biol. 2024; 24(1):602.

PMID: 38926662 PMC: 11201296. DOI: 10.1186/s12870-024-05299-8.

NIN-LIKE PROTEIN3.2 inhibits repressor Aux/IAA14 expression and enhances root biomass in maize seedlings under low nitrogen.

Wang R, Zhong Y, Han J, Huang L, Wang Y, Shi X Plant Cell. 2024; 36(10):4388-4403.

PMID: 38917216 PMC: 11448906. DOI: 10.1093/plcell/koae184.

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