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Related Experiment Video

Updated: Oct 26, 2025

Lateral Root Inducible System in Arabidopsis and Maize

Lateral Root Inducible System in Arabidopsis and Maize

Published on: January 14, 2016

Auxin in Root Development.

Suruchi Roychoudhry¹, Stefan Kepinski¹

¹Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom.

Cold Spring Harbor Perspectives in Biology

|July 27, 2021

Summary

This summary is machine-generated.

Auxin, a plant hormone, is key to root development, influencing resource capture and plant fitness. This review details auxin

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Area of Science:

Plant Biology
Molecular Biology
Genetics

Background:

Root system architecture is crucial for plant survival and resource acquisition.
The plant hormone auxin is a master regulator of plant growth and development.
Understanding auxin's role is vital for improving crop yields and stress resilience.

Purpose of the Study:

To review the gene signaling networks governing root development regulated by auxin.
To elucidate auxin's role in primary and lateral root formation and root apical meristem establishment.
To discuss auxin's impact on lateral root gravitropic setpoint angle and environmental plasticity.

Main Methods:

Review of existing literature on auxin biosynthesis, conjugation, and transport in *Arabidopsis*.
Analysis of gene signaling networks involved in root development.
Synthesis of findings on auxin's role in cell division, growth, differentiation, and gravitropism.

Main Results:

Auxin biosynthesis, conjugation, and transport pathways extensively regulate primary and lateral root development.
Auxin distribution is critical for controlling cell division, growth, and differentiation in root meristems.
Auxin signaling and transport influence lateral root gravitropic setpoint angle, shaping overall root architecture.

Conclusions:

Auxin is a central regulator of root system architecture, impacting resource capture and plant fitness.
Spatiotemporal control of auxin is essential for root development and adaptation to environmental cues.
Further research into auxin pathways can lead to strategies for enhancing plant growth and yield.