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. 2020 Jun 19;10:9957. doi: 10.1038/s41598-020-66780-6

Figure 1.

Figure 1

Verification of founder Il2rg-mutant rabbits using the CRISPR/Cas9 system. (a) Schematic representation of rabbit Il2rg. Magnified views illustrate the binding sites for CRISPR. (b) Co-injection of gRNA targeting rabbit Il2rg with Cas9 mRNA into rabbit male pronuclei embryos resulted mutations at the target sites. (c) PCR analysis of 30 offspring obtained through CRISPR/Cas9 injection of JW oocytes. Fourteen mutants (#2, 3, 4, 6, 8, 12, 16, 20, D1, D2, D3, D5, D8, and D9) were identified (asterisk). The product size of the wild-type JW Rabbit allele (arrow) is of 249 bp. (d) Sequencing analysis of CRISPR/Cas9-induced mutations in the target region in JW rabbits. Multiple deletions and insertions are depicted by red dashes and letters, respectively, and are aligned along the WT sequences displayed on the top line.