ArticleThe Plant cell2023
S-acylated and nucleus-localized SALT OVERLY SENSITIVE3/CALCINEURIN B-LIKE4 stabilizes GIGANTEA to regulate Arabidopsis flowering time under salt stress.
Article in The Plant cell, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 32 citations in OpenAlex.
- The architecture of salt tolerance: A multi-scale view of sodium transport in plants.Plant communications · 2026Review
- Article
- Goldilocks and the SOS pathway: Finding "just right" for growth after salt stress.The Plant cell · 2025Article
- SOS3 fromCells · 2025Article
- The transcription factor ClWRKY61 interacts with ClLEA55 to enhance salt tolerance in watermelon.Horticulture research · 2025Article
- Understanding of Plant Salt Tolerance Mechanisms and Application to Molecular Breeding.International journal of molecular sciences · 2024Review
- CONSTANS, a HUB for all seasons: How photoperiod pervades plant physiology regulatory circuits.The Plant cell · 2024Review
- Molecular cloning and characterization of a salt overly sensitive3 (SOS3) gene from the halophyte Pongamia.Plant molecular biology · 2024Article
- Inverse regulation of SOS1 and HKT1 protein localization and stability by SOS3/CBL4 inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Review
- Regulation of Flowering Time by Environmental Factors in Plants.Plants (Basel, Switzerland) · 2023Review
- Beyond NPK: Mineral Nutrient-Mediated Modulation in Orchestrating Flowering Time.Plants (Basel, Switzerland) · 2023Review
- Salinity-Induced Cytosolic Alkaline Shifts in Arabidopsis Roots Require the SOS Pathway.International journal of molecular sciences · 2023Article
- Focus on climate change and plant abiotic stress biology.The Plant cell · 2023Article
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Authors and funding
17 authors at 8 institutions in 6 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The precise timing of flowering in adverse environments is critical for plants to secure reproductive success. We report a mechanism in Arabidopsis (Arabidopsis thaliana) controlling the time of flowering by which the S-acylation-dependent nuclear import of the protein SALT OVERLY SENSITIVE3/CALCINEURIN B-LIKE4 (SOS3/CBL4), a Ca2+-signaling intermediary in the plant response to salinity, results in the selective stabilization of the flowering time regulator GIGANTEA inside the nucleus under salt stress, while degradation of GIGANTEA in the cytosol releases the protein kinase SOS2 to achieve salt tolerance. S-acylation of SOS3 was critical for its nuclear localization and the promotion of flowering, but partly dispensable for salt tolerance. SOS3 interacted with the photoperiodic flowering components GIGANTEA and FLAVIN-BINDING, KELCH REPEAT, F-BOX1 and participated in the transcriptional complex that regulates CONSTANS to sustain the transcription of CO and FLOWERING LOCUS T under salinity. Thus, the SOS3 protein acts as a Ca2+- and S-acylation-dependent versatile regulator that fine-tunes flowering time in a saline environment through the shared spatial separation and selective stabilization of GIGANTEA, thereby connecting two signaling networks to co-regulate the stress response and the time of flowering.
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