ArticlePloS one2011
Transcriptional downregulation of rice rpL32 gene under abiotic stress is associated with removal of transcription factors within the promoter region.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 27 citations in OpenAlex.
- Review
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- Transcriptome Profiling of the Salt Stress Response in the Leaves and Roots of HalophyticFrontiers in genetics · 2021Article
- Wild and Cultivated Species of Rice Have Distinctive Proteomic Responses to Drought.International journal of molecular sciences · 2020Article
- Transcriptional analyses of two soybean cultivars under salt stress.Molecular biology reports · 2020Article
- Expression Profiling of Ribosomal Protein Gene Family in Dehydration Stress Responses and Characterization of Transgenic Rice Plants OverexpressingFrontiers in chemistry · 2017Article
- Screening and analysis of breast cancer genes regulated by the human mammary microenvironment in a humanized mouse model.Oncology letters · 2016Article
- Analysis of global gene expression profile of rice in response to methylglyoxal indicates its possible role as a stress signal molecule.Frontiers in plant science · 2015Article
- Comparative transcriptional analysis reveals differential gene expression between Sand Daffodil tissues.Genetica · 2013Article
- The plasticity of the grapevine berry transcriptome.Genome biology · 2013Article
- Effect of salt stress on genes encoding translation-associated proteins in Arabidopsis thaliana.Plant signaling & behavior · 2012Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe regulation of ribosomal proteins in plants under stress conditions has not been well studied. Although a few reports have shown stress-specific post-transcriptional and translational mechanisms involved in downregulation of ribosomal proteins yet stress-responsive transcriptional regulation of ribosomal proteins is largely unknown in plants. METHODOLOGY/PRINCIPAL
findingsIn the present work, transcriptional regulation of genes encoding rice 60S ribosomal protein L32 (rpL32) in response to salt stress has been studied. Northern and RT-PCR analyses showed a significant downregulation of rpL32 transcripts under abiotic stress conditions in rice. Of the four rpL32 genes in rice genome, the gene on chromosome 8 (rpL32_8.1) showed a higher degree of stress-responsive downregulation in salt sensitive rice variety than in tolerant one and its expression reverted to its original level upon withdrawal of stress. The nuclear run-on and promoter:reporter assays revealed that the downregulation of this gene is transcriptional and originates within the promoter region. Using in vivo footprinting and electrophoretic mobility shift assay (EMSA), cis-elements in the promoter of rpL32_8.1 showing reduced binding to proteins in shoots of salt stressed rice seedlings were identified.
conclusionsThe present work is one of the few reports on study of stress downregulated genes. The data revealed that rpL32 gene is transcriptionally downregulated under abiotic stress in rice and that this transcriptional downregulation is associated with the removal of transcription factors from specific promoter elements.
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