ArticlePlant physiology2009
Enhanced tolerance to chilling stress in OsMYB3R-2 transgenic rice is mediated by alteration in cell cycle and ectopic expression of stress genes.
Article in Plant physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 160 papers, 1 of them a synthesis that pooled it.
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160 citing papers in PubMed, 1 synthesis or guideline pooled it, 351 citations in OpenAlex.
- Gene network modules associated with abiotic stress response in tolerant rice genotypes identified by transcriptome meta-analysis.Functional & integrative genomics · 2020Pooled it
- The transcription factor ZmMYB3R targets CYCB1;2 to modulate maize drought tolerance.The Plant journal : for cell and molecular biology · 2026Article
- SlMYB17 Antagonises the SlCBF Pathway to Negatively Regulate Tomato Chilling Tolerance.Plant biotechnology journal · 2026Article
- Beyond osmoprotection: the expanding roles of proline in plant signalling and development.Biologia futura · 2026Review
- TaWRKY115 enhances cold tolerance by weakening the expression of TaMYB4 on CBFs in common wheat.National science review · 2026Article
- Comprehensive genome-wide identification and analysis of MYB transcription factors related to abiotic and biotic stress regulation in rice.Scientific reports · 2025Article
- OoAREB1 from Oxytropis ochrocephala binds to the promoters of stress-responsive genes to enhance their expression and improve drought tolerance.BMC plant biology · 2025Article
- Regulation of mNature plants · 2025Article
- Fine mapping ofMolecular breeding : new strategies in plant improvement · 2025Article
- Identifications of Genes Involved in ABA and MAPK Signaling Pathways Positively Regulating Cold Tolerance in Rice.Plants (Basel, Switzerland) · 2025Article
- TheGenes · 2025Article
- SiCST1, a novel plant-specific protein of foxtail millet, confers cold stress tolerance in plants.Frontiers in plant science · 2025Article
- Research progress on the synergistic regulation of MYB transcription factor-mediated developmental plasticity and stress responses in rice.Frontiers in plant science · 2025Review
- Bioinformatics analysis and development of functional markers for TaMYB4-1A in wheat.PloS one · 2025Article
- Comparative Transcriptomic Analysis and Candidate Gene Identification for Wild Rice (GZW) and Cultivated Rice (R998) Under Low-Temperature Stress.International journal of molecular sciences · 2024Article
- MYB transcription factors, their regulation and interactions with non-coding RNAs during drought stress in Brassica juncea.BMC plant biology · 2024Article
- OsMYB14, an R2R3-MYB transcription factor, regulates plant height through the control of hormone metabolism in rice.Molecules and cells · 2024Article
- Genome-Wide Identification and Evolutionary and Expression Analyses of the Cyclin B Gene Family inPlants (Basel, Switzerland) · 2024Article
- Knockout of the Chlorophyll a Oxygenase GeneGenes · 2024Article
- Whole genome resequencing unveils low-temperature stress tolerance specific genomic variations in jute (Corchorus sp.).Journal, genetic engineering & biotechnology · 2024Article
100 more citing papers are in PubMed but not listed here.
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11 authors at 4 institutions in 1 country.
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Abstract
MYB transcription factors play central roles in plant responses to abiotic stresses. How stress affects development is poorly understood. Here, we show that OsMYB3R-2 functions in both stress and developmental processes in rice (Oryza sativa). Transgenic plants overexpressing OsMYB3R-2 exhibited enhanced cold tolerance. Cold treatment greatly induced the expression of OsMYB3R-2, which encodes an active transcription factor. We show that OsMYB3R-2 specifically bound to a mitosis-specific activator cis-element, (T/C)C(T/C)AACGG(T/C)(T/C)A, a conserved sequence that was found in promoters of cyclin genes such as OsCycB1;1 and OsKNOLLE2. In addition, overexpression of OsMYB3R-2 in rice led to higher transcript levels of several G2/M phase-specific genes, including OsCycB1;1, OsCycB2;1, OsCycB2;2, and OsCDC20.1, than those in OsMYB3R-2 antisense lines or wild-type plants in response to cold treatment. Flow cytometry analysis revealed an increased cell mitotic index in overexpressed transgenic lines of OsMYB3R-2 after cold treatment. Furthermore, resistance to cold stress in the transgenic plants overexpressing OsCycB1;1 was also enhanced. The level of cellular free proline was increased in the overexpressed rice lines of OsMYB3R-2 and OsCycB1;1 transgenic plants compared with wild-type plants under the cold treatment. These results suggest that OsMYB3R-2 targets OsCycB1;1 and regulates the progress of the cell cycle during chilling stress. OsCPT1, which may be involved in the dehydration-responsive element-binding factor 1A pathway, showed the same transcription pattern in response to cold as did OsCycB1;1 in transgenic rice. Therefore, a cold resistance mechanism in rice could be mediated by regulating the cell cycle, which is controlled by key genes including OsMYB3R-2.
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