ArticlePlant physiology2011
Cell fate in the Arabidopsis root epidermis is determined by competition between WEREWOLF and CAPRICE.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 95 citations in OpenAlex.
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- Novel epidermal-cortical pattern and root apical silencing of VcCPC promoter activity in Arabidopsis might suggest a joint contribution to hairless roots in blueberry.BMC plant biology · 2025Article
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- The ASYMMETRIC LEAVES1 ortholog PagAS1a promotes xylem development and plant growth inForestry research · 2025Article
- Regulatory mechanisms of trichome and root hair development in Arabidopsis.Plant molecular biology · 2024Review
- Abscisic acid-induced transcription factor PsMYB306 negatively regulates tree peony bud dormancy release.Plant physiology · 2024Article
- The APETALA2-MYBL2 module represses proanthocyanidin biosynthesis by affecting formation of the MBW complex in seeds of Arabidopsis thaliana.Plant communications · 2024Article
- Jasmonate-regulated root growth inhibition and root hair elongation.Journal of experimental botany · 2023Review
- Structural insights into partner selection for MYB and bHLH transcription factor complexes.Nature plants · 2022Article
- ThePlant direct · 2022Article
- Short Peptides Induce Development of Root HairPlants (Basel, Switzerland) · 2022Article
- The roles of HD-ZIP proteins in plant abiotic stress tolerance.Frontiers in plant science · 2022Review
- EIN3 and RSL4 interfere with an MYB-bHLH-WD40 complex to mediate ethylene-induced ectopic root hair formation inProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Epidermal cell-patterning genes of the stem parasitic plantPlant biotechnology (Tokyo, Japan) · 2021Article
- Developmental phenotypes ofPlant signaling & behavior · 2021Article
- Transcriptomic Analysis and Specific Expression of Transcription Factor Genes in the Root and Sporophyll ofInternational journal of molecular sciences · 2020Article
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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
The root hair and nonhair cells in the Arabidopsis (Arabidopsis thaliana) root epidermis are specified by a suite of transcriptional regulators. Two of these are WEREWOLF (WER) and CAPRICE (CPC), which encode MYB transcription factors that are required for promoting the nonhair cell fate and the hair cell fate, respectively. However, the precise function and relationship between these transcriptional regulators have not been fully defined experimentally. Here, we examine these issues by misexpressing the WER gene using the GAL4-upstream activation sequence transactivation system. We find that WER overexpression in the Arabidopsis root tip is sufficient to cause epidermal cells to adopt the nonhair cell fate through direct induction of GLABRA2 (GL2) gene expression. We also show that GLABRA3 (GL3) and ENHANCER OF GLABRA3 (EGL3), two closely related bHLH proteins, are required for the action of the overexpressed WER and that WER interacts with these bHLHs in plant cells. Furthermore, we find that CPC suppresses the WER overexpression phenotype quantitatively. These results show that WER acts together with GL3/EGL3 to induce GL2 expression and that WER and CPC compete with one another to define cell fates in the Arabidopsis root epidermis.
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