ArticleMolecular plant pathology2018
Accumulation of 24 nucleotide transgene-derived siRNAs is associated with crinivirus immunity in transgenic plants.
Article in Molecular plant pathology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- HTS analysis of resistance induction against PPV by four hairpin constructs in Nicotiana benthamiana Domin.Scientific reports · 2025Article
- Double-Stranded RNAs (dsRNAs) as a Sustainable Tool against Gray Mold (Biomolecules · 2020Article
- Review
- Small RNA-Omics for Plant Virus Identification, Virome Reconstruction, and Antiviral Defense Characterization.Frontiers in microbiology · 2018Review
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
RNA silencing is a conserved antiviral defence mechanism that has been used to develop robust resistance against plant virus infections. Previous efforts have been made to develop RNA silencing-mediated resistance to criniviruses, yet none have given immunity. In this study, transgenic Nicotiana benthamiana plants harbouring a hairpin construct of the Lettuce infectious yellows virus (LIYV) RNA-dependent RNA polymerase (RdRp) sequence exhibited immunity to systemic LIYV infection. Deep sequencing analysis was performed to characterize virus-derived small interfering RNAs (vsiRNAs) generated on systemic LIYV infection in non-transgenic N. benthamiana plants as well as transgene-derived siRNAs (t-siRNAs) derived from the immune-transgenic plants before and after LIYV inoculation. Interestingly, a similar sequence distribution pattern was obtained with t-siRNAs and vsiRNAs mapped to the transgene region in both immune and susceptible plants, except for a significant increase in t-siRNAs of 24 nucleotides in length, which was consistent with small RNA northern blot results that showed the abundance of t-siRNAs of 21, 22 and 24 nucleotides in length. The accumulated 24-nucleotide sequences have not yet been reported in transgenic plants partially resistant to criniviruses, and thus may indicate their correlation with crinivirus immunity. To further test this hypothesis, we developed transgenic melon (Cucumis melo) plants immune to systemic infection of another crinivirus, Cucurbit yellow stunting disorder virus (CYSDV). As predicted, the accumulation of 24-nucleotide t-siRNAs was detected in transgenic melon plants by northern blot. Together with our findings and previous studies on crinivirus resistance, we propose that the accumulation of 24-nucleotide t-siRNAs is associated with crinivirus immunity in transgenic plants.
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