ArticlePloS one2013
Overexpression of VrUBC1, a Mung Bean E2 Ubiquitin-Conjugating Enzyme, Enhances Osmotic Stress Tolerance in Arabidopsis.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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39 citing papers in PubMed, 71 citations in OpenAlex.
- Polyploidy and Mutagenic Germplasm Innovation in Minor Legumes: Paradigm Shift and Challenges from Model Crops to Mung Bean.Plants (Basel, Switzerland) · 2026Review
- Root-enriched β-amylase GmBAM-like 1 enhances drought and salt tolerance in Arabidopsis.Genetics and molecular biology · 2026Article
- Dissecting the genetic basis underlying drought tolerance at different development stages in soybean.Frontiers in plant science · 2026Article
- Combination of QTL mapping and GWAS for fine mapping and gene mining of drought tolerance and seed yield components in faba bean (Vicia faba L.).BMC plant biology · 2025Article
- Genome-wide identification of wheat Ubiquitin-conjugating enzyme gene family and its role in wheat powdery mildew disease resistance.BMC plant biology · 2025Article
- StUBC13, a Ubiquitin-Conjugating Enzyme, Positively Regulates Salt and Osmotic Stresses in Potato.International journal of molecular sciences · 2024Article
- Comprehensive Characterization of the C3HC4 RING Finger Gene Family in Potato (International journal of molecular sciences · 2024Article
- Article
- Expression Profiling Reveals the Possible Involvement of the Ubiquitin-Proteasome Pathway in Abiotic Stress Regulation inInternational journal of molecular sciences · 2023Article
- The putative myristoylome of Physcomitrium patens reveals conserved features of myristoylation in basal land plants.Plant cell reports · 2023Article
- Structural and functional characteristics and expression profile of the 20S proteasome gene family in Sorghum under abiotic stress.Frontiers in plant science · 2023Article
- Transcriptomic Analysis ofFrontiers in plant science · 2022Article
- Current perspectives of ubiquitination and SUMOylation in abiotic stress tolerance in plants.Frontiers in plant science · 2022Review
- Molecular Characterization of U-box E3 Ubiquitin Ligases (TaPUB2 and TaPUB3) Involved in the Positive Regulation of Drought Stress Response inInternational journal of molecular sciences · 2021Article
- Rice ubiquitin-conjugating enzyme OsUBC26 is essential for immunity to the blast fungus Magnaporthe oryzae.Molecular plant pathology · 2021Article
- Molecular and Functional Analysis of U-box E3 Ubiquitin Ligase Gene Family in Rice (International journal of molecular sciences · 2021Article
- Review
- Genome-wide analysis of OSCA gene family members in Vigna radiata and their involvement in the osmotic response.BMC plant biology · 2021Article
- Label-Free Quantitative Proteome Analysis Reveals the Underlying Mechanisms of Grain Nuclear Proteins Involved in Wheat Water-Deficit Response.Frontiers in plant science · 2021Article
- More Than Just Cleaning: Ubiquitin-Mediated Proteolysis in Fungal Pathogenesis.Frontiers in cellular and infection microbiology · 2021Review
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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
The ubiquitin conjugating enzyme E2 (UBC E2) mediates selective ubiquitination, acting with E1 and E3 enzymes to designate specific proteins for subsequent degradation. In the present study, we characterized the function of the mung bean VrUBC1 gene (Vigna radiata UBC 1). RNA gel-blot analysis showed that VrUBC1 mRNA expression was induced by either dehydration, high salinity or by the exogenous abscisic acid (ABA), but not by low temperature or wounding. Biochemical studies of VrUBC1 recombinant protein and complementation of yeast ubc4/5 by VrUBC1 revealed that VrUBC1 encodes a functional UBC E2. To understand the function of this gene in development and plant responses to osmotic stresses, we overexpressed VrUBC1 in Arabidopsis (Arabidopsis thaliana). The VrUBC1-overexpressing plants displayed highly sensitive responses to ABA and osmotic stress during germination, enhanced ABA- or salt-induced stomatal closing, and increased drought stress tolerance. The expression levels of a number of key ABA signaling genes were increased in VrUBC1-overexpressing plants compared to the wild-type plants. Yeast two-hybrid and bimolecular fluorescence complementation demonstrated that VrUBC1 interacts with AtVBP1 (A. thalianaVrUBC1 Binding Partner 1), a C3HC4-type RING E3 ligase. Overall, these results demonstrate that VrUBC1 plays a positive role in osmotic stress tolerance through transcriptional regulation of ABA-related genes and possibly through interaction with a novel RING E3 ligase.
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