ArticleTransgenic research2022
I-SceI and customized meganucleases-mediated genome editing in tomato and oilseed rape.
Article in Transgenic research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 14 citations in OpenAlex.
- Recent advances in site-specific transgene insertion into the maize genome using recombinases and genome editing endonucleases.Frontiers in plant science · 2025Review
- Advancements in genome editing tools for genetic studies and crop improvement.Frontiers in plant science · 2024Review
- Genome Editing: A Promising Approach for Achieving Abiotic Stress Tolerance in Plants.International journal of genomics · 2022Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Meganucleases are rare cutting enzymes that can generate DNA modifications and are part of the plant genome editing toolkit although they lack versatility. Here, we evaluated the use of two meganucleases, I-SceI and a customized meganuclease, in tomato and oilseed rape. Different strategies were explored for the use of these meganucleases. The activity of a customized and a I-SceI meganucleases was first estimated by the use of a reporter construct GFFP with the target sequences and enabled to demonstrate that both meganucleases can generate double-strand break and HDR mediated recombination in a reporter gene. Interestingly, I-SceI seems to have a higher DSB efficiency than the customized meganuclease: up to 62.5% in tomato and 44.8% in oilseed rape. Secondly, the same exogenous landing pad was introduced in both species. Despite being less efficient compared to I-SceI, the customized meganuclease was able to generate the excision of an exogenous transgene (large deletion of up to 3316 bp) present in tomato. In this paper, we also present some pitfalls to be considered before using meganucleases (e.g., potential toxicity) for plant genome editing.
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