ArticleJournal of experimental botany2011
A SOS3 homologue maps to HvNax4, a barley locus controlling an environmentally sensitive Na+ exclusion trait.
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.
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Who cites it
27 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Meta-analysis of major QTL for abiotic stress tolerance in barley and implications for barley breeding.Planta · 2017Pooled it
- Analysis of salt resistance conferred by salt overly sensitive 3 protein from mulberry (Frontiers in plant science · 2026Article
- Molecular cloning and characterization of a salt overly sensitive3 (SOS3) gene from the halophyte Pongamia.Plant molecular biology · 2024Article
- HvNCX, a prime candidate gene for the novel qualitative locus qS7.1 associated with salinity tolerance in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Elucidating the genetic architecture controlling antioxidant status and ionic balance in barley under salt stress.Plant molecular biology · 2022Article
- The Endophytic Strain ZS-3 Enhances Salt Tolerance inFrontiers in plant science · 2022Article
- Evaluating Variation in Germination and Growth of Landraces of Barley (Frontiers in plant science · 2022Article
- Importance of Landraces in Cereal Breeding for Stress Tolerance.Plants (Basel, Switzerland) · 2021Review
- HKT sodium and potassium transporters in Arabidopsis thaliana and related halophyte species.Physiologia plantarum · 2021Review
- Functions and structure of roots and their contributions to salinity tolerance in plants.Breeding science · 2021Article
- Dissecting new genetic components of salinity tolerance in two-row spring barley at the vegetative and reproductive stages.PloS one · 2020Article
- QTLs maintaining grain fertility under salt stress detected by exome QTL-seq and interval mapping in barley.Breeding science · 2018Article
- Cell-Based Phenotyping Reveals QTL for Membrane Potential Maintenance Associated with Hypoxia and Salinity Stress Tolerance in Barley.Frontiers in plant science · 2017Article
- De novo transcriptome assembly and analysis of differentially expressed genes of two barley genotypes reveal root-zone-specific responses to salt exposure.Scientific reports · 2016Article
- Characterization of Salinity Tolerance of Transgenic Rice Lines HarboringFrontiers in plant science · 2016Article
- Integrating Image-Based Phenomics and Association Analysis to Dissect the Genetic Architecture of Temporal Salinity Responses in Rice.Plant physiology · 2015Article
- Fine mapping and identification of a candidate gene for the barley Un8 true loose smut resistance gene.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Using QTL mapping to investigate the relationships between abiotic stress tolerance (drought and salinity) and agronomic and physiological traits.BMC genomics · 2015Article
- Article
- Detection of QTLs for salt tolerance in Asian barley (Hordeum vulgare L.) by association analysis with SNP markers.Breeding science · 2014Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Genes that enable crops to limit Na(+) accumulation in shoot tissues represent potential sources of salinity tolerance for breeding. In barley, the HvNax4 locus lowered shoot Na(+) content by between 12% and 59% (g(-1) DW), or not at all, depending on the growth conditions in hydroponics and a range of soil types, indicating a strong influence of environment on expression. HvNax4 was fine-mapped on the long arm of barley chromosome 1H. Corresponding intervals of ∼200 kb, containing a total of 34 predicted genes, were defined in the sequenced rice and Brachypodium genomes. HvCBL4, a close barley homologue of the SOS3 salinity tolerance gene of Arabidopsis, co-segregated with HvNax4. No difference in HvCBL4 mRNA expression was detected between the mapping parents. However, genomic and cDNA sequences of the HvCBL4 alleles were obtained, revealing a single Ala111Thr amino acid substitution difference in the encoded proteins. The known crystal structure of SOS3 was used as a template to obtain molecular models of the barley proteins, resulting in structures very similar to that of SOS3. The position in SOS3 corresponding to the barley substitution does not participate directly in Ca(2+) binding, post-translational modifications or interaction with the SOS2 signalling partner. However, Thr111 but not Ala111 forms a predicted hydrogen bond with a neighbouring α-helix, which has potential implications for the overall structure and function of the barley protein. HvCBL4 therefore represents a candidate for HvNax4 that warrants further investigation.
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