ArticleJournal of experimental botany2016
Root spatial metabolite profiling of two genotypes of barley (Hordeum vulgare L.) reveals differences in response to short-term salt stress.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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53 citing papers in PubMed, 137 citations in OpenAlex.
- Unlocking salt tolerance from Fertile Crescent wild barley: evolutionary and physiological mechanisms in introgressed lines.Scientific reports · 2026Article
- Introgression of wild barley alleles improves seedlings salinity tolerance in the nested association mapping HEB-400 population.The plant genome · 2026Article
- Melatonin-Mediated Modulation of Metabolic Pathways Enhances Cold Tolerance in Alfalfa (Plants (Basel, Switzerland) · 2026Article
- Spatial Heterogeneity of Metabolic Response to Drought Stress inMetabolites · 2026Article
- Enhanced lignin and cellulose metabolism promote cell wall synthesis and growth of wild soybean HRA under alkali stress.Annals of botany · 2025Article
- Metabolic engineering of lipids for crop resilience and nutritional improvements towards sustainable agriculture.Functional & integrative genomics · 2025Review
- Multi-omics analyses reveal the mechanisms underlying the responses of Casuarina equisetifolia ssp. incana to seawater atomization and encroachment stress.BMC plant biology · 2024Article
- The role of CBL-CIPK signaling in plant responses to biotic and abiotic stresses.Plant molecular biology · 2024Review
- Applications of humic and fulvic acid under saline soil conditions to improve growth and yield in barley.BMC plant biology · 2024Article
- Exogenous 6-BA enhances salt tolerance of Limonium bicolor by increasing the number of salt glands.Plant cell reports · 2023Article
- Plant Metabolomics: Current Initiatives and Future Prospects.Current issues in molecular biology · 2023Review
- Review
- Unveiling a differential metabolite modulation of sorghum varieties under increasing tunicamycin-induced endoplasmic reticulum stress.Cell stress & chaperones · 2023Article
- Involvement of cell cycle and ion transferring in the salt stress responses of alfalfa varieties at different development stages.BMC plant biology · 2023Article
- Comparative metabolomics of root-tips reveals distinct metabolic pathways conferring drought tolerance in contrasting genotypes of rice.BMC genomics · 2023Article
- Metabolomics reveals the response of hydroprimed maize to mitigate the impact of soil salinization.Frontiers in plant science · 2023Article
- Crop root system plasticity for improved yields in saline soils.Frontiers in plant science · 2023Review
- Improvement of Seed Germination under Salt Stress via Overexpressing Caffeic Acid O-methyltransferase 1 (SlCOMT1) in Solanum lycopersicum L.International journal of molecular sciences · 2023Article
- Genome-Wide Association Study of Salt Tolerance-Related Traits during Germination and Seedling Development in anInternational journal of molecular sciences · 2022Article
- The Role ofBiology · 2022Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Barley (Hordeum vulgare L.) is the most salt-tolerant cereal crop and has excellent genetic and genomic resources. It is therefore a good model to study salt-tolerance mechanisms in cereals. We aimed to determine metabolic differences between a cultivated barley, Clipper (tolerant), and a North African landrace, Sahara (susceptible), previously shown to have contrasting root growth phenotypes in response to the early phase of salinity stress. GC-MS was used to determine spatial changes in primary metabolites in barley roots in response to salt stress, by profiling three different regions of the root: root cap/cell division zone (R1), elongation zone (R2), and maturation zone (R3). We identified 76 known metabolites, including 29 amino acids and amines, 20 organic acids and fatty acids, and 19 sugars and sugar phosphates. The maintenance of cell division and root elongation in Clipper in response to short-term salt stress was associated with the synthesis and accumulation of amino acids (i.e. proline), sugars (maltose, sucrose, xylose), and organic acids (gluconate, shikimate), indicating a potential role for these metabolic pathways in salt tolerance and the maintenance of root elongation. The processes involved in root growth adaptation and the underlying coordination of metabolic pathways appear to be controlled in a region-specific manner. This study highlights the importance of utilizing spatial profiling and will provide us with a better understanding of abiotic stress response(s) in plants at the tissue and cellular level.
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