ArticleFrontiers in plant science2016
Stress Inducible Expression of AtDREB1A Transcription Factor in Transgenic Peanut (Arachis hypogaea L.) Conferred Tolerance to Soil-Moisture Deficit Stress.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 73 citations in OpenAlex.
- Epigenetic modifications regulate peg elongation and underground fruiting in peanut in response to environmental cues.The plant genome · 2026Review
- CRISPR-Mediated Genome Editing in Peanuts: Unlocking Trait Improvement for a Sustainable Future.Plants (Basel, Switzerland) · 2025Review
- Systematic investigation and validation of peanut genetic transformation via the pollen tube injection method.Plant methods · 2024Article
- Comparative Analysis of the Response to Polyethylene Glycol-Simulated Drought Stress in Roots from Seedlings of "Modern" and "Ancient" Wheat Varieties.Plants (Basel, Switzerland) · 2023Article
- Crop Wild Relatives: A Valuable Source of Tolerance to Various Abiotic Stresses.Plants (Basel, Switzerland) · 2023Review
- Phenotypic and transcriptomic analysis reveals early stress responses in transgenic rice expressing Arabidopsis DREB1a.Plant direct · 2022Article
- Genome-Wide Identification ofGenes · 2022Article
- Co-expression of stress-responsive regulatory genes,Frontiers in plant science · 2022Article
- Metabolomics Response to Drought Stress inPlants (Basel, Switzerland) · 2021Article
- Comparative transcriptome analysis of genes involved in the drought stress response of two peanut (Arachis hypogaea L.) varieties.BMC plant biology · 2021Article
- Article
- Advances in the development and use ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2019Review
- Effect of Drought Stress and Developmental Stages on Microbial Community Structure and Diversity in Peanut Rhizosphere Soil.International journal of molecular sciences · 2019Article
- Article
- Transgenic approaches for genetic improvement in groundnut (Journal, genetic engineering & biotechnology · 2018Review
- Stress Inducible Overexpression ofFrontiers in chemistry · 2018Article
- Improvement of abiotic stress adaptive traits in mulberry (Morus spp.): an update on biotechnological interventions.3 Biotech · 2017Review
- Transgenic Peanut (Frontiers in plant science · 2017Article
- Expression ofFrontiers in plant science · 2017Article
- Ectopic Expression of JcWRKY Transcription Factor Confers Salinity Tolerance via Salicylic Acid Signaling.Frontiers in plant science · 2016Article
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5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Peanut, an important oilseed crop, is gaining priority for the development of drought tolerant genotypes in recent times, since the area under drought is constantly on the rise. To achieve this, one of the important strategies is to genetically engineer the ruling peanut varieties using transcription factor regulating the expression of several downstream, abiotic-stress responsive gene(s). In this study, eight independent transgenic peanut (cv. GG20) lines were developed using AtDREB1A gene, encoding for a transcription factor, through Agrobacterium-mediated genetic transformation. The transgene insertion was confirmed in (T0) using PCR and Dot-blot analysis, while copy-number(s) was ascertained using Southern-blot analysis. The inheritance of AtDREB1A gene in individual transgenic plants (T1 and T2) was confirmed using PCR. In homozygous transgenic plants (T2), under soil-moisture deficit stress, elevated level of AtDREB1A transgene expression was observed by RT-PCR assay. The transgenic plants at 45-d or reproductive growth stage showed tolerance to severe soil-moisture deficit stress. Physio-biochemical parameters such as proline content, osmotic potential, relative water content, electrolytic leakage, and total-chlorophyll content were found positively correlated with growth-related traits without any morphological abnormality, when compared to wild-type. qPCR analysis revealed consistent increase in expression of AtDREB1A gene under progressive soil-moisture deficit stress in two homozygous transgenic plants. The transgene expression showed significant correlation with improved physio-biochemical traits. The improvement of drought-stress tolerance in combination with improved growth-related traits is very essential criterion for a premium peanut cultivar like GG20, so that marginal farmers of India can incur the economic benefits during seasonal drought and water scarcity.
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