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XB-ART-58867
Cold Spring Harb Protoc 2022 Jun 24;20226:Pdb.prot107011. doi: 10.1101/pdb.prot107011.
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I-SceI-Mediated Transgenesis in Xenopus.

Noble A , Abu-Daya A , Guille MJ .


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Transgenic frogs can be very efficiently generated using I-SceI meganuclease, a nuclease with an 18-bp recognition site. The desired transgene must be flanked by I-SceI sites, in either a plasmid or a polymerase chain reaction (PCR) product. After a short in vitro digestion with the meganuclease, the complete reaction is injected into fertilized eggs, where the enzyme mediates genomic integration by an unknown mechanism. Posttransgenesis development is typically normal, and up to 70% of the embryos integrate the transgene.

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Species referenced: Xenopus laevis