ArticleThe Plant cell2024
Four MYB transcription factors regulate suberization and nonlocalized lignification at the root endodermis in rice.
Article in The Plant cell, 2024. 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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15 citing papers in PubMed.
- Elevated COProceedings of the National Academy of Sciences of the United States of America · 2026Article
- OsPHR2-OsDIR55 Module Enhances Root Barrier Integrity and Rice Tolerance to Phosphate Deficiency.Plant, cell & environment · 2026Article
- Loss of PMR4 callose synthase triggers jasmonic acid-dependent resistance to the clubroot disease in Arabidopsis and Brassica napus.The Plant cell · 2026Article
- Dissecting the genetic switches controlling salt tolerance in bermudagrass (Cynodon dactylon).The Plant cell · 2026Article
- Genome-wide analysis of the R2R3-MYB family reveals potential regulators of lignin and tricin metabolism in the model grass Setaria viridis.Molecular genetics and genomics : MGG · 2026Article
- Regulatory Roles of MYB Transcription Factors in Root Barrier Under Abiotic Stress.Plants (Basel, Switzerland) · 2026Review
- The lignin deposition responses of different poplar root systems to salt stress.Frontiers in plant science · 2026Article
- Transcription factors SlMYB41, SlMYB92, and SlWRKY71 regulate gene expression in the tomato exodermis.Journal of experimental botany · 2025Article
- Dual roles of suberin deposition at the endodermal Casparian strip in manganese uptake of rice.Journal of experimental botany · 2025Article
- TheHorticulture research · 2025Article
- ONAC005 enhances salt stress tolerance by promoting suberin deposition in root endodermis.The Plant journal : for cell and molecular biology · 2025Article
- Identification of the Casparian strip integrity factor (CIF) gene family in Brassica napus and functional prediction of mature CIF small peptides.BMC plant biology · 2025Article
- A Series of Novel Alleles ofPlants (Basel, Switzerland) · 2025Article
- Availability of Carbohydrates in the Root Stubble of a High-Yielding Rice Cultivar, "Hokuriku 193".Journal of applied glycoscience · 2025Article
- Building barriers: The role of MYB genes in rice root adaptation.The Plant cell · 2024Article
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10 authors.
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Abstract
In response to variable environments, rice (Oryza sativa) roots have developed lignified and suberized diffusion barriers at the endodermis to permit selective nutrient uptake for optimal growth. Here, we demonstrate that endodermal suberization and nonlocalized lignification are redundantly regulated by 4 MYB transcription factors: OsMYB39a, OsMYB41, OsMYB92a, and OsMYB92b. These transcription factors function downstream of the OsMYB36a/b/c, CASPARIAN STRIP INTEGRITY FACTOR (OsCIF)-SCHENGEN3 (OsSGN3), and stress-inducible signaling pathways in rice. Knockout of all 4 MYB genes resulted in the complete absence of endodermal suberin lamellae (SL) and almost no lignin deposition between the Casparian strip and the cortex-facing lignified band at cell corners under all conditions examined. In contrast, endodermis-specific overexpression of any of these MYB genes was sufficient to induce strong endodermal suberization and nonlocalized lignification near the root tip. Furthermore, OsMYB92a-overexpressing lines showed an altered ionomic profile and enhanced salinity tolerance. Transcriptome analysis identified 152 downstream genes regulated by OsMYB39a/41/92a/92b, including the key SL formation gene OsCYP86A1 and other genes involved in endodermal lignification and suberization under normal and stress conditions. Our results provide important insights into the molecular mechanisms underlying suberization and nonlocalized lignification at the root endodermis and their physiological significance in ion homeostasis and acclimation to environmental stress.
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