ArticlePlanta2013
Expressional and regulatory characterization of Arabidopsis RNA-dependent RNA polymerase 1.
Article in Planta, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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Who cites it
11 citing papers in PubMed.
- PIF4 enhances temperature-independent tolerance to TSWV in Nicotiana benthamiana.Scientific reports · 2026Article
- Review
- The biogenesis, regulation and functions of transitive siRNA in plants.Acta biochimica et biophysica Sinica · 2024Review
- Conservation of molecular responses upon viral infection in the non-vascular plant Marchantia polymorpha.Nature communications · 2024Article
- Salicylic acid and RNA interference mediate antiviral immunity of plant stem cells.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Analysis of the RNA-Dependent RNA Polymerase 1 (RDR1) Gene Family in Melon.Plants (Basel, Switzerland) · 2022Article
- Differential expression of cucumber RNA-dependent RNA polymerase 1 genes during antiviral defence and resistance.Molecular plant pathology · 2018Article
- Article
- RNA-dependent RNA polymerase 1 in potato (Solanum tuberosum) and its relationship to other plant RNA-dependent RNA polymerases.Scientific reports · 2016Article
- Salicylic acid treatment and expression of an RNA-dependent RNA polymerase 1 transgene inhibit lethal symptoms and meristem invasion during tobacco mosaic virus infection in Nicotiana benthamiana.BMC plant biology · 2016Article
- OsRDR6 plays role in host defense against double-stranded RNA virus, Rice Dwarf Phytoreovirus.Scientific reports · 2015Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
RNA-dependent RNA polymerase 1 (RDR1), a component of gene silencing, participates in plant pathogen defense. However, there are few reports on its expression pattern or regulatory mechanism. To clarify how the Arabidopsis RDR1 gene is regulated at the transcriptional level in response to various stresses, its native 1,303 bp promoter sequence upstream of the translational start site and five truncated regions were inserted upstream of a fused reporter gene (β-glucuronidase-green fluorescent protein) in Arabidopsis. Histochemical staining and fluorescent signal detection revealed that AtRDR1 was expressed primarily in the plant vascular tissue system and its expression was specifically localized in phloem cell layers in roots. Stress experiments showed that the AtRDR1 promoter has a broad-spectrum response to various stresses and is sensitive to 1-naphthaleneacetic acid, abscisic acid, and salicylic acid. Analysis of promoter derivatives revealed that the -1,088 to -690 region was involved in auxin and dehydration responsiveness, that -690 to -434 was responsive to cold treatment, and the intron in the 5'-untranslated region (5'-UTR) responded to jasmonic acid molecules. The 5'-UTR intron was functional in transcript accumulation. Together, our findings suggest that AtRDR1-associated pathogen defense is conducted mainly in the plant vascular tissue system and is under complex regulation.
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