ReviewInternational journal of molecular sciences2026
Coordinated MBW, GIS, and RSL Regulatory Networks in Plant Epidermal Patterning Under Environmental Cues.
Review in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
The plant epidermis, adorned with trichomes and root hairs, represents a critical interface where developmental programming and environmental responses converge. Although the genetic basis of epidermal patterning has been extensively characterized in model systems, how these pathways are modulated under abiotic stress remains incompletely understood. This review integrates recent advances in epidermal development and stress biology, focusing on MYB-bHLH-WD40 (MBW) complexes, GIS-family C2H2 zinc-finger proteins, and ROOT HAIR DEFECTIVE SIX-LIKE (RSL) transcription factors. These regulators participate in interconnected, organ-specific networks that coordinate trichome and root-hair development. Their activities are shaped by gibberellin-brassinosteroid interactions, ethylene-auxin coordination, jasmonate and abscisic acid signaling, and cytokinin- and nutrient-responsive pathways. We further discuss how reactive oxygen species and calcium oscillations translate transcriptional regulation into polarized cell growth. The resulting epidermal plasticity reflects trade-offs among growth, defense, resource acquisition, and conservation. By integrating single-cell transcriptomics, nutrient sensing, and evolutionary perspectives, this review provides a framework for understanding environmentally responsive epidermal development and identifies opportunities for improving crop resilience. The resulting framework identifies testable opportunities for crop improvement, while emphasizing that native network equivalence, pleiotropic effects, and field-level stress benefits remain to be established in crop species.
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