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Related Experiment Video

Updated: Sep 9, 2025

Lateral Root Inducible System in Arabidopsis and Maize

Lateral Root Inducible System in Arabidopsis and Maize

Published on: January 14, 2016

Auxin Signaling Mediated Spatial Accommodation Mechanisms During Lateral Root Development.

Kevin Bellande^1,2, Cristovāo De Jesus Vieira Teixeira¹, Joop E M Vermeer¹

¹Laboratory of Molecular and Cellular Biology, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland.

Physiologia Plantarum

|September 2, 2025

Summary

Plant spatial accommodation allows new organs to grow by coordinating cellular changes. Auxin signaling drives this process, enabling tissue plasticity for lateral root emergence across diverse plant groups.

Keywords:

auxin cell wall remodeling lateral root development spatial accommodation

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Area of Science:

Plant biology
Developmental biology
Cellular mechanics

Background:

Spatial accommodation is crucial for plant organogenesis, enabling new organs like lateral roots to emerge through existing tissues.
This process necessitates intricate coordination of cellular architecture with physical and biochemical cues.
Auxin, a key regulator of root system architecture, plays a vital role in spatial accommodation.

Purpose of the Study:

To investigate how auxin signaling orchestrates cytoskeleton dynamics and cell wall remodeling for tissue-scale plasticity during lateral root emergence.
To compare these auxin-mediated mechanisms across different plant lineages, including dicots, monocots, and non-vascular plants.

Main Methods:

Focus on analyzing the molecular and cellular mechanisms underlying auxin's role in spatial accommodation.
Comparative analysis of tissue adaptation strategies in various plant groups.

Main Results:

Auxin signaling modulates cytoskeleton dynamics and cell wall properties to facilitate tissue expansion and penetration during lateral root development.
Distinct variations in these mechanisms exist between dicots and monocots, and also in non-vascular plants, reflecting evolutionary adaptations.

Conclusions:

Auxin signaling is a central regulator of spatial accommodation, enabling the essential tissue plasticity required for lateral root emergence.
Understanding these conserved and divergent mechanisms provides insights into plant development and evolutionary strategies across the plant kingdom.