ArticlePlanta2010
The sugar beet gene encoding the sodium/proton exchanger 1 (BvNHX1) is regulated by a MYB transcription factor.
Article in Planta, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 46 citations in OpenAlex.
- Salt Tolerance in Sugar Beet: From Impact Analysis to Adaptive Mechanisms and Future Research.Plants (Basel, Switzerland) · 2024Review
- Genome-wide identification and drought stress-induced expression analysis of theFrontiers in genetics · 2024Article
- Melatonin enhances KCl salinity tolerance by maintaining KPlant biotechnology journal · 2023Article
- Salt and Drought Stress Responses in Cultivated Beets (Plants (Basel, Switzerland) · 2021Review
- Functional Characterization of a Sugar BeetInternational journal of molecular sciences · 2021Article
- Global Landscapes of theInternational journal of molecular sciences · 2020Article
- Exogenous Brassinolide Alleviates Salt Stress inFrontiers in plant science · 2020Article
- Expression of AoNHX1 increases salt tolerance of rice and Arabidopsis, and bHLH transcription factors regulate AtNHX1 and AtNHX6 in Arabidopsis.Plant cell reports · 2019Article
- Genome-Wide Identification of NaGenes · 2019Article
- Advances in Understanding the Physiological and Molecular Responses of Sugar Beet to Salt Stress.Frontiers in plant science · 2019Review
- The Arabidopsis paralogs, PUB46 and PUB48, encoding U-box E3 ubiquitin ligases, are essential for plant response to drought stress.BMC plant biology · 2017Article
- Co-expression of ArabidopsisFrontiers in plant science · 2017Article
- Regulation of Na+ and K+ homeostasis in plants: towards improved salt stress tolerance in crop plants.Genetics and molecular biology · 2017Article
- Five novel transcription factors as potential regulators of OsNHX1 gene expression in a salt tolerant rice genotype.Plant molecular biology · 2017Article
- A vacuolar antiporter is differentially regulated in leaves and roots of the halophytic wild rice Porteresia coarctata (Roxb.) Tateoka.Molecular biology reports · 2015Article
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- Differential activity of plasma and vacuolar membrane transporters contributes to genotypic differences in salinity tolerance in a Halophyte Species, Chenopodium quinoa.International journal of molecular sciences · 2013Article
- Chloroplasts of salt-grown Arabidopsis seedlings are impaired in structure, genome copy number and transcript levels.PloS one · 2013Article
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Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sodium/proton exchangers (NHX) are key players in the plant response to salinity and have a central role in establishing ion homeostasis. NHXs can be localized in the tonoplast or plasma membranes, where they exchange sodium ions for protons, resulting in sodium ions being removed from the cytosol into the vacuole or extracellular space. The expression of most plant NHX genes is modulated by exposure of the organisms to salt stress or water stress. We explored the regulation of the vacuolar NHX1 gene from the salt-tolerant sugar beet plant (BvNHX1) using Arabidopsis plants transformed with an array of constructs of BvHNX1::GUS, and the expression patterns were characterized using histological and quantitative assays. The 5 UTR of BvNHX1, including its intron, does not modulate the activity of the promoter. Serial deletions show that a 337 bp promoter fragment sufficed for driving activity that indistinguishable from that of the full-length (2,464 bp) promoter. Mutating four putative cis-acting elements within the 337 bp promoter fragment revealed that MYB transcription factor(s) are involved in the activation of the expression of BvNHX1 upon exposure to salt and water stresses. Gel mobility shift assay confirmed that the WT but not the mutated MYB binding site is bound by nuclear protein extracted from salt-stressed Beta vulgaris leaves.
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