ArticleBMC biotechnology2016
Over-expression of a NAC 67 transcription factor from finger millet (Eleusine coracana L.) confers tolerance against salinity and drought stress in rice.
Article in BMC biotechnology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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50 citing papers in PubMed, 145 citations in OpenAlex.
- Integrative insights into abiotic stress tolerance in finger millet (Frontiers in plant science · 2026Review
- Unravelling drought stress adaptation in sugarcane interspecific hybrids: A multi-level analysis.PloS one · 2025Article
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- Biotechnological studies towards improvement of finger millet using multi-omics approaches.Functional & integrative genomics · 2024Review
- Review
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- Article
- The Impact of Salinity on Crop Yields and the Confrontational Behavior of Transcriptional Regulators, Nanoparticles, and Antioxidant Defensive Mechanisms under Stressful Conditions: A Review.International journal of molecular sciences · 2024Review
- Plant biomarkers as early detection tools in stress management in food crops: a review.Planta · 2024Review
- Genome-wide analysis of the Tritipyrum NAC gene family and the response of TtNAC477 in salt tolerance.BMC plant biology · 2024Article
- Abiotic Stress in Rice: Visiting the Physiological Response and Its Tolerance Mechanisms.Plants (Basel, Switzerland) · 2023Review
- Recent Molecular Aspects and Integrated Omics Strategies for Understanding the Abiotic Stress Tolerance of Rice.Plants (Basel, Switzerland) · 2023Review
- Review
- Identification of the NAC Transcription Factors and Their Function in ABA and Salinity Response inInternational journal of molecular sciences · 2022Article
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- Isolation and characterization of drought and ABA responsive promoter of a transcription factor encoding gene from rice.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Transcriptome Analysis ofFrontiers in genetics · 2022Article
- Flexible response and rapid recovery strategies of the plateau forageFrontiers in plant science · 2022Article
- Drought-responsive WRKY transcription factor genesFrontiers in plant science · 2022Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundNAC proteins (NAM (No apical meristem), ATAF (Arabidopsis transcription activation factor) and CUC (cup-shaped cotyledon)) are plant-specific transcription factors reported to be involved in regulating growth, development and stress responses. Salinity responsive transcriptome profiling in a set of contrasting finger millet genotypes through RNA-sequencing resulted in the identification of a NAC homolog (EcNAC 67) exhibiting differential salinity responsive expression pattern.
methodsFull length cDNA of EcNAC67 was isolated, characterized and validated for its role in abiotic stress tolerance through agrobacterium mediated genetic transformation in a rice cultivar ASD16.
resultsBioinformatics analysis of putative NAC transcription factor (TF) isolated from a salinity tolerant finger millet showed its genetic relatedness to NAC67 family TFs in related cereals. Putative transgenic lines of rice over-expressing EcNAC67 were generated through Agrobacterium mediated transformation and presence/integration of transgene was confirmed through PCR and southern hybridization analysis. Transgenic rice plants harboring EcNAC67 showed enhanced tolerance against drought and salinity under greenhouse conditions. Transgenic rice plants were found to possess higher root and shoot biomass during stress and showed better revival ability upon relief from salinity stress. Upon drought stress, transgenic lines were found to maintain higher relative water content and lesser reduction in grain yield when compared to non-transgenic ASD16 plants. Drought induced spikelet sterility was found to be much lower in the transgenic lines than the non-transgenic ASD16.
conclusionResults revealed the significant role of EcNAC67 in modulating responses against dehydration stress in rice. No detectable abnormalities in the phenotypic traits were observed in the transgenic plants under normal growth conditions. Results indicate that EcNAC67 can be used as a novel source for engineering tolerance against drought and salinity stress in rice and other crop plants.
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