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  1. ...to date. Here, we report the construction of a high-throughput CRISPR-Cas9 mutant library for B. mori, a useful resource for silkworm research and breeding. We show its application for gene function interrogation, as well as its potential use for genetic improvement of economic traits. In silkworm...
  2. ...mismatch to the target gene in Drosophila (Ren et al. 2014), off-target scission has been reported in tissue culture cells (Fu et al. 2013; Hsu et al. 2013). To compare off-target effects with sgRNA cleavage efficiencies predicted by either PlatinumCRISPr, DeepSpCas9, or Azimuth (standard scoring...
  3. ...in incomplete knockdown and can suffer from off-target effects, which complicate interpretation of transcriptional changes.Genome editing approaches, such as CRISPR–Cas9-mediated knockout (Nakamura et al. 2021), enable permanent removal of a TF. Knockouts are powerful for defining essential regulatory roles...
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  4. .... The flexibility of the CRISPR/Cas9 system and data from the completed zebrafish sequencing project make it possible to systematically knock out every single gene in zebrafish (Howe et al. 2013; Hwang et al. 2013; Varshney et al. 2015). However, properties of gene targeting via the CRISPR/Cas9...
  5. ...and electroporation of the F1 zygotes with CRISPR-Cas9 ribonucleoprotein targeting the Dmc1 gene. Offspring are putative biallelic knockout founders. DMC1 immunohistochemical analysis allows founders with mosaic or remnant DMC1 to be excluded from the analysis (represented as a hybrid founder mouse in parenthesis...
  6. ...the widespread application of gene targeting by HR because screening a large number of animals may be required to isolate founders carrying the mutation of interest. Here we report highly efficient CRISPR/Cas9-mediated knock-in of >5.7-kb-long DNA cassettes into the zebrafish based on homology-independent DSB...
  7. ...of off-target editing. The use of the CRISPR/Cas9 system for deletion of specific genomic regions of interest paves the way for the functional characterization of promoters, enhancers, and other regulatory regions in the human . Moreover, the inactivation of entire gene clusters by deletion will enable...
  8. ...representation of porcine EML4–ALK rearrangements induced by CRISPR-Cas9. EML4-sgRNA and ALK-sgRNA (red) were designed to target the mutation sites of the porcine EML4 gene intron 14 and porcine ALK gene intron 13. PCR primers are indicated (primers A, B, C, and D). (B) PCRs were performed to analyze ALK–EML4...
  9. ..., we used CRISPR-Cas9 editing to mutate a potential destabilizing sequence element identified in the trip10a gene. We observed that a 223-nt deletion in the endogenous gene, targeting the region regulated in RESA, caused stabilization of the mutant mRNA compared with the wild type, without any apparent...
  10. ...-guided endonucleases (RGENs), derived from the prokaryotic Type II CRISPR-Cas system, enable targeted modification in cells and organisms. Here we describe the establishment of gene-knockout mice and zebrafish by the injection of RGENs as Cas9 protein:guide RNA complexes or Cas9 mRNA plus guide RNA into one...
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