ArticlePlant molecular biology2011
Regulation of durum wheat Na+/H + exchanger TdSOS1 by phosphorylation.
Article in Plant molecular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 54 citations in OpenAlex.
- Lithium in plants.The New phytologist · 2025Review
- Salinity survival: molecular mechanisms and adaptive strategies in plants.Frontiers in plant science · 2025Review
- Protein-Based Mechanism of Wheat Growth Under Salt Stress in Seeds Irradiated with Millimeter Waves.International journal of molecular sciences · 2024Article
- Combined transcriptomics and metabolomics analysis reveals salinity stress specific signaling and tolerance responses in the seagrass Zostera japonica.Plant cell reports · 2024Article
- Salinity stress tolerance and omics approaches: revisiting the progress and achievements in major cereal crops.Heredity · 2022Review
- Salt stress proteins in plants: An overview.Frontiers in plant science · 2022Review
- Review
- Co-expression of SpSOS1 and SpAHA1 in transgenic Arabidopsis plants improves salinity tolerance.BMC plant biology · 2019Article
- Hydrogen Peroxide-Induced Root CaInternational journal of molecular sciences · 2018Article
- The durum wheat plasma membrane NaProtoplasma · 2017Article
- Salt stress reveals differential physiological, biochemical and molecular responses inPhysiology and molecular biology of plants : an international journal of functional plant biology · 2017Review
- The Role of NaFrontiers in physiology · 2017Review
- PEG Induces High Expression of the Cell Cycle Checkpoint GeneFrontiers in plant science · 2017Article
- Wheat CBL-interacting protein kinase 25 negatively regulates salt tolerance in transgenic wheat.Scientific reports · 2016Article
- Variation in tissue Na(+) content and the activity of SOS1 genes among two species and two related genera of Chrysanthemum.BMC plant biology · 2016Article
- Nax loci affect SOS1-like Na+/H+ exchanger expression and activity in wheat.Journal of experimental botany · 2016Article
- Comparative functional analysis of two wheat Na(+)/H (+) antiporter SOS1 promoters in Arabidopsis thaliana under various stress conditions.Journal of applied genetics · 2015Article
- A putative soybean GmsSOS1 confers enhanced salt tolerance to transgenic Arabidopsis sos1-1 mutant.Protoplasma · 2015Article
- A novel Glycine soja cysteine proteinase inhibitor GsCPI14, interacting with the calcium/calmodulin-binding receptor-like kinase GsCBRLK, regulated plant tolerance to alkali stress.Plant molecular biology · 2014Article
- A constitutively active form of a durum wheat Na⁺/H⁺ antiporter SOS1 confers high salt tolerance to transgenic Arabidopsis.Plant cell reports · 2014Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have identified a plasma membrane Na(+)/H(+) exchanger from durum wheat, designated TdSOS1. Heterologous expression of TdSOS1 in a yeast strain lacking endogenous Na(+) efflux proteins showed complementation of the Na(+)- and Li(+)-sensitive phenotype by a mechanism involving cation efflux. Salt tolerance conferred by TdSOS1 was maximal when co-expressed with the Arabidopsis protein kinase complex SOS2/SOS3. In vitro phosphorylation of TdSOS1 with a hyperactive form of the Arabidopsis SOS2 kinase (T/DSOS2∆308) showed the importance of two essential serine residues at the C-terminal hydrophilic tail (S1126, S1128). Mutation of these two serine residues to alanine decreased the phosphorylation of TdSOS1 by T/DSOS2∆308 and prevented the activation of TdSOS1. In addition, deletion of the C-terminal domain of TdSOS1 encompassing serine residues at position 1126 and 1128 generated a hyperactive form that had maximal sodium exclusion activity independent from the regulatory SOS2/SOS3 complex. These results are consistent with the presence of an auto-inhibitory domain at the C-terminus of TdSOS1 that mediates the activation of TdSOS1 by the protein kinase SOS2. Expression of TdSOS1 mRNA in young seedlings of the durum wheat variety Om Rabia3, using different abiotic stresses (ionic and oxidative stress) at different times of exposure, was monitored by RT-PCR.
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