ArticleThe New phytologist2022
Trihelix transcription factors GTL1 and DF1 prevent aberrant root hair formation in an excess nutrient condition.
Article in The New phytologist, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 37 citations in OpenAlex.
- Integrated signaling mechanisms governing root hair growth via transcriptional master regulators.The Plant journal : for cell and molecular biology · 2026Review
- Plant-Associated Microbiomes: Crosstalk and Engineering to Improve Nutrient Use Efficiency (NUE) in Crops of Global Importance.Plants (Basel, Switzerland) · 2026Review
- Micro-mechanical approaches to characterize tip growth: Insights into root hair elasto-viscoplastic properties.The European physical journal. E, Soft matter · 2026Article
- Trihelix transcription factors: versatile regulators in plant growth and development, abiotic, and biotic stress responses.Plant cell reports · 2026Review
- Genome-wide identification and expression analysis of trihelix transcription factor family in cucumber (Cucumis sativus L.) and their roles in biotic stress responses.BMC genomics · 2025Article
- Root Hair Development Is Suppressed by Long-Term Mild Heat Through Down-Regulation of RHD6 and RHD6-like Genes.Plant, cell & environment · 2025Article
- Enhanced auxin signaling promotes root-hair growth at moderately low temperature in Arabidopsis thaliana.Plant communications · 2025Article
- Genome-wide identification of potato Trihelix gene family and its response to different abiotic stresses.BMC plant biology · 2025Article
- CPK1 activates CNGCs through phosphorylation for CaNature communications · 2025Article
- The recent genetic modification techniques for improve soil conservation, nutrient uptake and utilization.GM crops & food · 2024Review
- In-vivo Raman microspectroscopy reveals differential nitrate concentration in different developmental zones in Arabidopsis roots.Plant methods · 2024Article
- Modulating root system architecture: cross-talk between auxin and phytohormones.Frontiers in plant science · 2024Review
- In vivo measurement of the Young's modulus of the cell wall of single root hairs.Cell surface (Amsterdam, Netherlands) · 2023Review
- Transcriptome-Wide Integrated Analysis of thePlants (Basel, Switzerland) · 2023Article
- Coregulation ofFrontiers in plant science · 2023Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Root hair growth is tuned in response to the environment surrounding plants. While most previous studies focused on the enhancement of root hair growth during nutrient starvation, few studies investigated the root hair response in the presence of excess nutrients. We report that the post-embryonic growth of wild-type Arabidopsis plants is strongly suppressed with increasing nutrient availability, particularly in the case of root hair growth. We further used gene expression profiling to analyze how excess nutrient availability affects root hair growth, and found that RHD6 subfamily genes, which are positive regulators of root hair growth, are downregulated in this condition. However, defects in GTL1 and DF1, which are negative regulators of root hair growth, cause frail and swollen root hairs to form when excess nutrients are supplied. Additionally, we observed that the RHD6 subfamily genes are mis-expressed in gtl1-1 df1-1. Furthermore, overexpression of RSL4, an RHD6 subfamily gene, induces swollen root hairs in the face of a nutrient overload, while mutation of RSL4 in gtl1-1 df1-1 restore root hair swelling phenotype. In conclusion, our data suggest that GTL1 and DF1 prevent unnecessary root hair formation by repressing RSL4 under excess nutrient conditions.
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