ArticlePlant cell reports2022
Increased rates of gene-editing events using a simplified RNAi configuration designed to reduce gene silencing.
Article in Plant cell reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed, 10 citations in OpenAlex.
- In planta genome editing in citrus facilitated by co-expression of CRISPR/Cas and developmental regulators.The Plant journal : for cell and molecular biology · 2025Article
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6 authors at 1 institution in 1 country.
Funding
Abstract
key messageAn optimal RNAi configuration that could restrict gene expression most efficiently was determined. This approach was also used to target PTGS and yielded higher rates of gene-editing events. Although it was characterized long ago, transgene silencing still strongly impairs transgene overexpression, and thus is a major barrier to plant crop gene-editing. The development of strategies that could prevent transgene silencing is therefore essential to the success of gene editing assays. Transgene silencing occurs via the RNA silencing process, which regulates the expression of essential genes and protects the plant from viral infections. The RNA silencing machinery thereby controls central biological processes such as growth, development, genome integrity, and stress resistance. RNA silencing is typically induced by aberrant RNA, that may lack 5' or 3' processing, or may consist in double-stranded or hairpin RNA, and involves DICER and ARGONAUTE family proteins. In this study, RNAi inducing constructs were designed in eleven different configurations and were evaluated for their capacity to induce silencing in Nicotiana spp. using transient and stable transformation assays. Using reporter genes, it was found that the overexpression of a hairpin consisting of a forward tandem inverted repeat that started with an ATG and that was not followed downstream by a transcription terminator, could downregulate gene expression most potently. Furthermore, using this method, the downregulation of the NtSGS3 gene caused a significant increase in transgene expression both in transient and stable transformation assays. This SGS3 silencing approach was also employed in gene-editing assays and caused higher rates of gene-editing events. Taken together, these findings suggested the optimal genetic configuration to cause RNA silencing and showed that this strategy may be used to restrict PTGS during gene-editing experiments.
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Registered trials
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