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Updated: Dec 14, 2025

Author Spotlight: Optimizing Hairy Root-Based Transformation Protocols for Enhanced Efficiency in Brassicaceae
Published on: December 22, 2023
Hormone signalling and root development: an update on the latest Arabidopsis thaliana research
1Division de Genetica and Instituto de Bioingenieria, Universidad Miguel Hernandez, Edificio Vinalopo, Avda. de la Universidad s/n, 03202 Elche (Alicante), Spain. Email.
Abstract:
Plants are sessile organisms whose developmental programs depend mainly on environmental cues that are sensed and interpreted through hormonal signalling pathways. Roots are specialised plant organs that are instrumental during water and nutrient uptake, biotic interactions, stress responses and for mechanical support. Our knowledge about the basic molecular events shaping root patterning and growth has advanced significantly in the past few years thanks to the use of Arabidopsis thaliana (L.) Heynh. as a model system. In this review, I will discuss recent findings that indicate crosstalk between growth regulators and hormone signalling pathways during primary root development. Further comparative research using non-model species will shed light on the conserved developmental modules among distant lineages involved in root architecture.
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