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  1. ...efficient Escherichia coli -based chromosome engineering system adapted for recombinogenic targeting and subcloning of BAC DNA. Genomics 73 : 56 –65. ↵ Liu, P., Jenkins, N.A., and Copeland, N.G. 2003 . A highly efficient recombineering-based method for generating conditional knockout mutations. Genome Res...
  2. ...original BAC modification system, the temperature-sensitive pSV1.RecA shuttle vector may replicate in the BAC host cells at a low level to generate a background of false positives, which may reduce the co-integration efficiency (defined as the number of correct co-integrates among the total number...
  3. ...with large inserts. It also requires subsequent transformation of the retrofitted BAC/PAC into Escherichia coli , which is both very inefficient and deleterious to the genomic insert. Recombination-based approaches allow the direct integration of a selectable marker cassette into BAC/PAC clones without...
  4. ...(wild type) with ATRX in ES cells (Fig. 6A). To investigate how the loss of K4 in MYCH3.3 might affect ATRX and H3.3 interaction, we generated a MYC-H3.3 construct carrying a mutation in K4. The mutationwas introduced using PCR-based sitedirected mutagenesis, followed by transient transfection into ES...
  5. ...). These R-loops, which form within the G-rich switch regions, may contribute to recombination-based deletions and drive antibody class diversity. Similarly, R-loops play a regulatory role in gene expression in plants, in which their stabilization over the COOLAIR promoter in Arabidopsis was shown to repress...
  6. ...of haplotypes restricted to few strains, often with evidence for recombination. Based on sequence similarity, at least some of these rarer haplotypes originated by homologous recombination between Tf1 and Tf2 and remained active thereafter.We next examined whether the patterns of TE diversity in S. pombe...
  7. ...of these animal models in genetic studies (Perrimon 1998; Wijgerde et al. 2002). In these models, the use of recombination-based approaches such as Cre/LoxP has been accepted as a gold standard technique for conditional mutagenesis. Until now, a similar approach has not been available in zebrafish. The phenotypic...
  8. ...correction via recombination, base editing, or gene correction via microhomology-mediated end joining require highly precise targeting (Canver et al. 2015; Rees and Liu 2018; Gyorgy et al. 2019; Iyer et al. 2019). To achieve single-nucleotide precision in targeting, a plethora of Cas9 orthologs harboring...
  9. ...targeted to Hmgn2 were injected into C57BL/6 blastocysts and generated chimeras that transmitted the mutated allele to the progeny. The neomycin resistance (neo) and the Hmgn2 gene were removed by crossing with beta actin Cremice. The mice containing the targeted allele were backcrossed into the C57BL/6...
  10. ...Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess...
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