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Fig. 1 | BMC Genomics

Fig. 1

From: CLICK: one-step generation of conditional knockout mice

Fig. 1

Mouse floxed alleles generated by microinjection of two gRNA, Cas9 mRNA and lssDNA into zygotes. a An approach to generate Serpina3n floxed alleles using the CRISPR/Cas system with long single-stranded DNA (lssDNA) composed of the targeted exon flanked by two loxP sites (Additional file 2: Figure S2). b PCR analysis of representative delivered mouse pups (#1–15) showing different types of mutations, indels, LD, and floxed alleles (black arrow) at the targeted Serpina3n locus. The primer sets (‘small’ in Additional file 2: Figure S2) were used for PCR and sequence analysis. Asterisks indicate pups used for testing germline transmission (Additional file 15: Table S1). M: 100 bp DNA ladder marker. c Representative examples of the targeted Serpina3n loci generated by the microinjection of two gRNA (gRNA-1 and gRNA-2), Cas9 mRNA and lssDNA into B6 mouse zygotes (Additional file 3: Figure S3)

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