ArticleBMC plant biology2025
Functional characterization of AsGRAS24 in Avena sativa reveals its role in enhancing salt tolerance via antioxidant and hormonal regulation in transgenic Arabidopsis thaliana.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Genome-wide unraveling of theFrontiers in plant science · 2026Article
- Integrated multi-omics analysis uncovers key metabolic and transcriptional regulatory networks inFrontiers in plant science · 2026Article
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7 authors.
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Abstract
backgroundGRAS transcription factors are a type of transcription factor found only in plants. Among these, PAT1 subfamily proteins are known to help plants resist abiotic stress.
resultsTo study the GRAS family genes in oat and check if GRAS transcription factors are linked to salt tolerance, this research cloned the AsGRAS24 gene using oat leaf cDNA. The gene was analyzed using bioinformatics tools, and its cellular localization was determined. Through the Agrobacterium-mediated genetic transformation method, the target gene was introduced into the model plant Arabidopsis thaliana, and then the functional mechanism and regulatory network of this gene in plant salt stress tolerance were systematically studied. The results showed that the AsGRAS24 gene produces a protein with 291 amino acids, weighing 32.44 kDa, and has a pI value of 7.1. The protein was found in the nucleus. The AsGRAS24 protein shows the highest sequence similarity to a specific gene in OsGRAS24 (Oryza sativa). The study also compared wild-type A. thaliana seeds (WT) and transgenic AsGRAS24 A. thaliana plants under salt stress. It was found that the AsGRAS24 gene made the transgenic plants more salt-tolerant. As the salt stress continued, the transgenic plants exhibited higher levels of antioxidant enzymes, osmotic adjustment substances, hormones, and gene expression compared to the wild-type (WT) plants (P < 0.05). The results suggest that AsGRAS24 is involved in helping transgenic A. thaliana tolerate salt. Therefore, the AsGRAS24 gene is essential in enhancing salt tolerance in transgenic A. thaliana.
conclusionsThis research helps in understanding how oats resist stress at the molecular level, providing a reference for further study of its function in the development and stress resistance of Gramineae.
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