ArticlePlant physiology2022
Strigolactone signaling regulates cambial activity through repression of WOX4 by transcription factor BES1.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 37 citations in OpenAlex.
- Strigolactone-mediated architecture regulation and stress resilience: Insights and innovations for crop breeding.Journal of integrative plant biology · 2026Review
- Newly found functions and regulatory networks of WOX family: what else does the WOX say?Planta · 2026Review
- Plant Regeneration: Influencing Factors, Regulatory Networks, and Epigenetic Mechanisms.International journal of molecular sciences · 2026Review
- A receptor kinase complex refines cambium activity inProceedings of the National Academy of Sciences of the United States of America · 2026Article
- Specificity of brassinosteroid perception and its integration at signaling crossroads in vascular development.The Plant journal : for cell and molecular biology · 2025Review
- Brassinosteroids in Cucurbits: Modulators of Plant Growth Architecture and Stress Response.International journal of molecular sciences · 2025Review
- Regulating the Vascular Cambium: Do Not Forget the Vascular Ray Initials and Their Derivatives.Plants (Basel, Switzerland) · 2025Review
- Integrated transcriptomic, untargeted and targeted metabolomic analyses reveal seasonal regulatory mechanisms of vascular cambium activity in woody plants: insights fromFrontiers in plant science · 2025Article
- Plant Growth Regulators: An Overview of WOX Gene Family.Plants (Basel, Switzerland) · 2024Review
- Article
- Genome-wide transcript expression analysis reveals major chickpea and lentil genes associated with plant branching.Frontiers in plant science · 2024Article
- Phytohormones involved in vascular cambium activity in woods: current progress and future challenges.Frontiers in plant science · 2024Review
- Hormonal control of the molecular networks guiding vascular tissue development in the primary root meristem of Arabidopsis.Journal of experimental botany · 2023Review
- Molecular Mechanisms Underlying the Establishment and Maintenance of Vascular Stem Cells in Arabidopsis thaliana.Plant & cell physiology · 2023Review
- BES1/BZR1 Family Transcription Factors Regulate Plant Development via Brassinosteroid-Dependent and Independent Pathways.International journal of molecular sciences · 2022Review
- The Role of Transcription Factors in the Regulation of Plant Shoot Branching.Plants (Basel, Switzerland) · 2022Review
- Changes in the Activity of thePlants (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During secondary growth, meristematic cells in the cambium can either proliferate to maintain the stem cell population or differentiate into xylem or phloem. The balance between these two developmental trajectories is tightly regulated by many environmental and endogenous cues. Strigolactones (SLs), a class of plant hormones, were previously reported to regulate secondary growth by promoting cambium activity. However, the underlying molecular mechanisms of SL action in plant secondary growth are not well understood. We performed histological, genetic, and biochemical analyses using genetic materials in Arabidopsis (Arabidopsis thaliana) with altered activity of the transcription factors BRI1-EMS-SUPPRESSOR1 (BES1) or WUSCHEL-related HOMEOBOX4 (WOX4) or lacking MORE AXILLARY SHOOT2 (MAX2), a key positive component in the SL signaling pathway. We found that BES1, a downstream regulator in the SL signaling pathway that promotes shoot branching and xylem differentiation, also inhibits WOX4 expression, a key regulator of cambium cell division in the intercellular TRACHEARY ELEMENT DIFFERENTIATION INHIBITORY FACTOR (TDIF)-TDIF RECEPTOR (TDR) signaling pathway. The antagonistic roles of BES1 and WOX4 in the regulation of cambium activity may integrate intercellular TDIF signals to efficiently and bidirectionally modulate cambium cell proliferation and differentiation. As both BES1 and WOX4 are widely involved in various endogenous signals and responses to environmental stimuli, these findings may provide insight into the dynamic regulation of cambium development.
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