ArticleBMC plant biology2024
Investigation of the morphological, physiological, biochemical, and catabolic characteristics and gene expression under drought stress in tolerant and sensitive genotypes of wild barley [Hordeum vulgare subsp. spontaneum (K. Koch) Asch. & Graebn.].
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Phenotypic and Biochemical Responses and Drought Resistance ofPlants (Basel, Switzerland) · 2026Article
- Genome-wide analysis of the DREB gene family and functional characterization of HaDREB1D in the drought stress response in sunflower (Helianthus annuus L.).BMC genomics · 2026Article
- Overexpression of milk thistle SOD gene enhances drought tolerance in tobacco by improving photosynthesis and photoprotection.Scientific reports · 2025Article
- Comprehensive evaluation of drought resistance of Melon (Cucumis melo L.) based on morphological and physiological traits.BMC plant biology · 2025Article
- Identification and validation of functional markers for the superoxide dismutase gene TaSOD-B2 in common wheat.BMC plant biology · 2025Article
- Enhancing salinity tolerance in barley: harnessing introgressed nested genomes from the wild ancestor Hordeum spontaneum.BMC plant biology · 2025Article
- Marker-trait association analysis for root and shoot traits at the seedling stage of wild barley (AoB PLANTS · 2025Article
- Zinc Sulfate Stress Enhances Flavonoid Content and Antioxidant Capacity from Finger Millet Sprouts for High-Quality Production.Foods (Basel, Switzerland) · 2025Article
- Phenolic compounds, antioxidant enzymes, and oxidative stress in barley (Hordeum vulgare L.) genotypes under field drought-stress conditions.BMC plant biology · 2025Article
- Comprehensive Evaluation and Construction of Drought Resistance Index System in Hulless Barley Seedlings.International journal of molecular sciences · 2025Article
- Integration of ATAC-seq and RNA-seq reveals the dynamics of chromatin accessibility and gene expression in zoysiagrass response to drought.Plant cell reports · 2025Article
- Unveiling Drought-Resilient Latin American Popcorn Lines through Agronomic and Physiological Evaluation.Life (Basel, Switzerland) · 2024Article
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8 authors.
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Abstract
backgroundBarley (H. vulgare L.) is an important cereal crop cultivated across various climates globally. Barley and its ancestor (H. vulgare subsp. spontaneum) are an economically valuable model for genetic research and improvement. Drought, among various abiotic stresses, is a substantial threat to agriculture due to its unpredictable nature and significant impact on crop yield.
resultsThis study was conducted in both greenhouse and laboratory settings. Prior to the study, wild barley accessions were pre-selected based on their sensitivity or tolerance to drought as determined from fieldwork in the 2020-2021 and 2021-2022 cropping seasons. The effects of three levels of drought stress were evaluated (control, 90-95% field capacity [FC]; mild stress, 50-55% FC; and severe stress, 25-30% FC). Several parameters were assessed, including seedling and root growth, enzymatic activity (CAT, SOD, POD), soluble protein levels, chlorophyll content, carotenoids, abaxial and adaxial stomatal density and dimensions, and relative gene expression of Dhn1, SOD, POD, and CAT. Drought stress significantly increased enzyme activities, especially at 25-30% FC, and more in the tolerant genotype. On the other hand, sensitive genotypes showed a notable increase in stomatal density. Under drought stress, there was a general decline in seedling and root growth, protein content, chlorophyll and carotenoids, and stomatal dimensions. Importantly, gene expression analysis revealed that Dhn1, SOD, POD, and CAT were upregulated under drought, with the highest expression levels observed in the drought-tolerant genotype under severe stress conditions (25-30% FC).
conclusionsOur investigation highlights the distinct morphological, physiological, biochemical, and gene-expression profiles of drought-resistant and drought-sensitive wild barley genotypes under varying degrees of drought.
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