ArticleDevelopment (Cambridge, England)2011
Brassinosteroid perception in the epidermis controls root meristem size.
Article in Development (Cambridge, England), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 156 papers.
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Who cites it
156 citing papers in PubMed.
- Eukaryotic chaperonin coordinates root meristem activity by regulating SEC31B-dependent COPII vesicle trafficking of PIN auxin efflux carrier in Arabidopsis.Journal of integrative plant biology · 2026Article
- Longitudinal zone- and cell type-specific pattern-triggered immune responses in Arabidopsis roots.Developmental cell · 2026Article
- Spatial and single-cell transcriptomics uncover brassinosteroid-mediated coordination of sepal elongation in Arabidopsis.Genome biology · 2026Article
- Brassinosteroids control cell proliferation in the lateral root cap of the Arabidopsis root.EMBO reports · 2026Article
- Functional Analysis of MADS-Box Gene Family in Stress Response and Prospects of Breeding Application.Plants (Basel, Switzerland) · 2026Review
- Epidermal Cell Dynamics Regulates Rice Lamina Joint Morphogenesis and Leaf Angle Formation through OsZHD1 and OsZHD2 Regulation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Hormonal regulation of root growth under moderately elevated temperatures.Annals of botany · 2025Review
- A localized disruption in auxin status leading to root system defects under elevated temperature environments.Plant cell reports · 2025Article
- Specificity of brassinosteroid perception and its integration at signaling crossroads in vascular development.The Plant journal : for cell and molecular biology · 2025Review
- Brassinosteroid Synthesis and Perception Differently Regulate Phytohormone Networks inInternational journal of molecular sciences · 2025Article
- To grow or not to grow: the enigma of plant root growth dynamism.Plant molecular biology · 2025Review
- Brassinosteroids mediate proper coordination of sepal elongation.bioRxiv : the preprint server for biology · 2025Article
- The putative endo-1,4-β-D-glucanase GLU3 regulates cellulose biosynthesis in barley roots.Plant physiology · 2025Article
- BZR1 promotes pluripotency acquisition and callus development through direct regulation of ARF7 and ARF19.EMBO reports · 2025Article
- Understanding the Brassinosteroid-Dependent Environmental Adaption in Brassicaceae Plants.Plants (Basel, Switzerland) · 2025Review
- Identification of a Specific Role of Dihydrozeatin in the Regulation of the Cell Differentiation Activity inPlants (Basel, Switzerland) · 2025Article
- Root growth and branching are enabled by brassinosteroid-regulated growth anisotropy and carbon allocation.Nature communications · 2025Article
- Natural variation in a cortex/epidermis-specific transcription factor bZIP89 determines lateral root development and drought resilience in maize.Science advances · 2025Article
- Increased chloroplast area in the rice bundle sheath through cell-specific perturbation of brassinosteroid signaling.Plant physiology · 2025Article
- Building beauty: Understanding how hormone signaling regulates petal patterning and morphogenesis.The Plant journal : for cell and molecular biology · 2025Review
96 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Multiple small molecule hormones contribute to growth promotion or restriction in plants. Brassinosteroids (BRs), acting specifically in the epidermis, can both drive and restrict shoot growth. However, our knowledge of how BRs affect meristem size is scant. Here, we study the root meristem and show that BRs are required to maintain normal cell cycle activity and cell expansion. These two processes ensure the coherent gradient of cell progression, from the apical to the basal meristem. In addition, BR activity in the meristem is not accompanied by changes in the expression level of the auxin efflux carriers PIN1, PIN3 and PIN7, which are known to control the extent of mitotic activity and differentiation. We further demonstrate that BR signaling in the root epidermis and not in the inner endodermis, quiescent center (QC) cells or stele cell files is sufficient to control root meristem size. Interestingly, expression of the QC and the stele-enriched MADS-BOX gene AGL42 can be modulated by BRI1 activity solely in the epidermis. The signal from the epidermis is probably transmitted by a different component than BES1 and BZR1 transcription factors, as their direct targets, such as DWF4 and BRox2, are regulated in the same cells that express BRI1. Taken together, our study provides novel insights into the role of BRs in controlling meristem size.
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