ArticleStress biology2021
The Arabidopsis spliceosomal protein SmEb modulates ABA responses by maintaining proper alternative splicing of HAB1.
Article in Stress biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 15 citations in OpenAlex.
- Splicing Factors in Plant Abiotic Stress Responses: Regulatory Mechanisms and Perspectives.Plants (Basel, Switzerland) · 2026Review
- Splicing as an integrative layer linking cell cycle regulation, epigenetic dynamics, and environmental responses in plants.Frontiers in plant science · 2026Review
- The Role of Alternative Splicing in Polyploids in Response to Abiotic Stress.International journal of molecular sciences · 2025Review
- Alternative Splicing of Functional Genes in Plant Growth, Development, and Stress Responses.International journal of molecular sciences · 2025Review
- Genome-wide identification of pyrabactin resistance 1-like (PYL) gene family under phytohormones and drought stresses in alfalfa (Medicago sativa).BMC genomics · 2025Article
- Article
- The Arabidopsis thaliana core splicing factor PORCUPINE/SmE1 requires intron-mediated expression.PloS one · 2025Article
- Research Progress in the Regulation of the ABA Signaling Pathway by E3 Ubiquitin Ligases in Plants.International journal of molecular sciences · 2024Review
- Arginine methylation of SM-LIKE PROTEIN 4 antagonistically affects alternative splicing during Arabidopsis stress responses.The Plant cell · 2024Article
- Alternative splicing in ABA signaling during seed germination.Frontiers in plant science · 2023Review
- Transcriptome and Proteome Co-Profiling Offers an Understanding of Pre-Harvest Sprouting (PHS) Molecular Mechanisms in Wheat (Plants (Basel, Switzerland) · 2022Article
- Biological Parts for Engineering Abiotic Stress Tolerance in Plants.Biodesign research · 2022Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Abscisic acid (ABA) signaling is critical for seed germination and abiotic stress responses in terrestrial plants. Pre-mRNA splicing is known to regulate ABA signaling. However, the involvement of canonical spliceosomal components in regulating ABA signaling is poorly understood. Here, we show that the spliceosome component Sm core protein SmEb plays an important role in ABA signaling. SmEb expression is up-regulated by ABA treatment, and analysis of Arabidopsis smeb mutant plants suggest that SmEb modulates the alternative splicing of the ABA signaling component HAB1 by enhancing the HAB1.1 splicing variant while repressing HAB1.2. Overexpression of HAB1.1 but not HAB1.2 rescues the ABA-hypersensitive phenotype of smeb mutants. Mutations in the transcription factor ABI3, 4, or 5 also reduce the ABA hypersensitivity of smeb mutants during seed germination. Our results show that the spliceosomal component SmEb plays an important role in ABA regulation of seed germination and early seedling development.
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Registered trials
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