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April 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study identified the NAC transcription factor RD26 as a critical regulator of drought-induced root hair growth restriction in Arabidopsis thaliana, with a similar mechanism observed in tomatoes, indicating evolutionary conservation.
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August 2025 in “Plant Cell & Environment” This study found that the plant-growth-promoting bacteria Azospirillum brasilense enhances root hair development by increasing auxin levels and activating specific transcription factors, highlighting key signaling pathways involved in this process.
This study found that iron availability influences root hair growth under phosphate starvation by affecting auxin distribution, phosphate starvation-responsive genes, and vesicle trafficking.