ArticleJournal of experimental botany2016
YUCCA-mediated auxin biogenesis is required for cell fate transition occurring during de novo root organogenesis in Arabidopsis.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 102 papers.
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102 citing papers in PubMed, 204 citations in OpenAlex.
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- Single-cell RNA sequencing reveals developmental trajectories and environmental regulation of callus formation in Arabidopsis.Stress biology · 2025Article
- Adventitious Root Formation in Cuttings: Insights fromBiomolecules · 2025Review
- The mechanism of PGR-free direct organogenesis in Lycium ruthenicum leaf explants revealed by RNA-Seq and phytohormone metabolome co-analysis.BMC plant biology · 2025Article
- A Comprehensive Analysis on the Regulatory Network Underlying Callus Induction and Adventitious Organogenesis Process in Stem ofInternational journal of molecular sciences · 2025Article
- MDF Regulates a Network of Auxin-Dependent and Auxin-Independent Pathways of Adventitious Root Regeneration inPlant direct · 2025Article
- Auxin Orchestrates Germ Cell Specification inInternational journal of molecular sciences · 2025Review
- Investigating the Mechanisms of Adventitious Root Formation in Semi-Tender Cuttings ofInternational journal of molecular sciences · 2025Article
- De novo root regeneration from leaf explant: a mechanistic review of key factors behind cell fate transition.Planta · 2025Review
- Research potential and mechanism of rare earth elements promoting cadmium remediation efficiency in hyperaccumulator plants.Frontiers in plant science · 2025Article
42 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many plant organs have the ability to regenerate a new plant after detachment or wounding via de novo organogenesis. During de novo root organogenesis from Arabidopsis thaliana leaf explants, endogenic auxin is essential for the fate transition of regeneration-competent cells to become root founder cells via activation of WUSCHEL-RELATED HOMEOBOX 11 (WOX11). However, the molecular events from leaf explant detachment to auxin-mediated cell fate transition are poorly understood. In this study, we used an assay to determine the concentration of indole-3-acetic acid (IAA) to provide direct evidence that auxin is produced after leaf explant detachment, a process that involves YUCCA (YUC)-mediated auxin biogenesis. Inhibition of YUC prevents expression of WOX11 and fate transition of competent cells, resulting in the blocking of rooting. Further analysis showed that YUC1 and YUC4 act quickly (within 4 hours) in response to wounding after detachment in both light and dark conditions and promote auxin biogenesis in both mesophyll and competent cells, whereas YUC5, YUC8, and YUC9 primarily respond in dark conditions. In addition, YUC2 and YUC6 contribute to rooting by providing a basal auxin level in the leaf. Overall, our study indicates that YUC genes exhibit a division of labour during de novo root organogenesis from leaf explants in response to multiple signals.
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