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Updated: Sep 9, 2025

Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
Auxin Signaling Mediated Spatial Accommodation Mechanisms During Lateral Root Development
Kevin Bellande1,2, Cristovāo De Jesus Vieira Teixeira1, Joop E M Vermeer1
1Laboratory of Molecular and Cellular Biology, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland.
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.
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.
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