ArticlePlants (Basel, Switzerland)2024
Transcriptome Analysis Reveals Drought-Responsive Pathways and Key Genes of Two Oat (
Article in Plants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 8 citations in OpenAlex.
- A TaMYB2-TaMAP3K17 module enhances drought tolerance by promoting reactive oxygen species scavenging in wheat.aBIOTECH · 2026Article
- Comparative physiological and transcriptomic profiling suggests key pathways in oat drought tolerance.BMC plant biology · 2025Article
- Abiotic stress responses in forage crops and grasses: the role of secondary metabolites and biotechnological interventions.Frontiers in plant science · 2025Review
- Genome-wide identification and characterization of the Brassinazole-resistant gene family and associated responses to osmotic stress inFrontiers in plant science · 2025Article
- Transcriptome Regulation Mechanisms Difference between Female and MaleInternational journal of molecular sciences · 2024Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
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Abstract
To cope with the yield loss caused by drought stress, new oat varieties with greater drought tolerance need to be selected. In this study, two oat varieties with different drought tolerances were selected for analysis of their phenotypes and physiological indices under moderate and severe soil drought stress. The results revealed significant differences in the degree of wilting, leaf relative water content (RWC), and SOD and CAT activity between the two oat genotypes under severe soil drought stress; moreover, the drought-tolerant variety exhibited a significant increase in the number of stomata and wax crystals on the surface of both the leaf and guard cells; additionally, the morphology of the guard cells was normal, and there was no significant disruption of the grana lamella membrane or the nuclear envelope. Furthermore, transcriptome analysis revealed that the expression of genes related to the biosynthesis of waxes and cell-wall components, as well as those of the WRKY family, significantly increased in the drought-tolerant variety. These findings suggest that several genes involved in the antioxidant pathway could improve drought tolerance in plants by regulating the increase/decrease in wax and cell-wall constituents and maintaining normal cellular water potential, as well as improving the ability of the antioxidant system to scavenge peroxides in oats.
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