ArticleBMB reports2019
Transgenic expression of rice MYB102 (OsMYB102) delays leaf senescence and decreases abiotic stress tolerance in Arabidopsis thaliana.
Article in BMB reports, 2019. 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, 57 citations in OpenAlex.
- Article
- Identification and Expression Analysis of Rice MYB Family Members in Response to Heat Stress.Plants (Basel, Switzerland) · 2025Article
- Genome-Wide Association and Genomic Prediction of Alfalfa (International journal of molecular sciences · 2025Article
- Article
- TaMYB44-5A reduces drought tolerance by repressing transcription of TaRD22-3A in the abscisic acid signaling pathway.Planta · 2024Article
- Comparative Transcriptome Analysis Reveals Key Functions of MiMYB Gene Family in Macadamia Nut Pericarp Formation.International journal of molecular sciences · 2024Article
- Overexpression of a 'Beta' MYB Factor Gene,International journal of molecular sciences · 2024Article
- scRNA-seq Reveals the Mechanism ofCells · 2023Article
- Transcription Factors-Regulated Leaf Senescence: Current Knowledge, Challenges and Approaches.International journal of molecular sciences · 2023Review
- HeterologousInternational journal of molecular sciences · 2023Article
- Construction of two regulatory networks related to salt stress and lignocellulosic synthesis under salt stress based on a Populus davidiana × P. bolleana transcriptome analysis.Plant molecular biology · 2022Article
- Drought-Responsive NAC Transcription FactorInternational journal of molecular sciences · 2022Article
- Applications of CRISPR/Cas9 as New Strategies for Short Breeding to Drought Gene in Rice.Frontiers in plant science · 2022Article
- Exploitation of Drought Tolerance-Related Genes for Crop Improvement.International journal of molecular sciences · 2021Review
- Systematic analysis of differentially expressedPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Transcriptome analysis and molecular mechanism of linseed (Linum usitatissimum L.) drought tolerance under repeated drought using single-molecule long-read sequencing.BMC genomics · 2021Article
- Multiple Layers of Regulation on Leaf Senescence: New Advances and Perspectives.Frontiers in plant science · 2021Review
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MYB-type transcription factors (TFs) play important roles in plant growth and development, and in the rapid responses to unfavorable environmental conditions. We recently reported the isolation and characterization of a rice (Oryza sativa) MYB TF, OsMYB102, which is involved in the regulation of leaf senescence by downregulating abscisic acid (ABA) biosynthesis and the downstream signaling response. Based on the similarities of their sequences and expression patterns, OsMYB102 appears to be a homolog of the Arabidopsis thaliana AtMYB44 TF. Since AtMYB44 is a key regulator of leaf senescence and abiotic stress responses, it is important to examine whether AtMYB44 homologs in other plants also act similarly. Here, we generated transgenic Arabidopsis plants expressing OsMYB102 (OsMYB102-OX). The OsMYB102-OX plants showed a delayed senescence phenotype during dark incubation and were more susceptible to salt and drought stresses, considerably similar to Arabidopsis plants overexpressing AtMYB44. Real-time quantitative PCR (RT-qPCR) revealed that, in addition to known senescence-associated genes, genes encoding the ABA catabolic enzymes AtCYP707A3 and AtCYP707A4 were also significantly upregulated in OsMYB102- OX, leading to a significant decrease in ABA accumulation. Furthermore, protoplast transient expression and chromatin immunoprecipitation assays revealed that OsMYB102 directly activated AtCYP707A3 expression. Based on our findings, it is probable that the regulatory functions of AtMYB44 homologs in plants are highly conserved and they have vital roles in leaf senescence and the abiotic stress responses. [BMB Reports 2019; 52(11): 653-658].
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