ArticleMethods in molecular biology (Clifton, N.J.)2022
Generating Single Nucleotide Point Mutations in E. coli with the No-SCAR System.
Article in Methods in molecular biology (Clifton, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Genetic manipulation of microbial genomes is highly relevant for studying biological systems and the development of biotechnologies. In E. coli, λ-Red recombineering is one of the most widely used gene-editing methods, enabling site-specific insertions, deletions, and point mutations of any genomic locus. The no-SCAR system combines λ-Red recombineering with CRISPR/Cas9 for programmable selection of recombinant cells. Recombineering results in the transient production of heteroduplex DNA, as only one strand of DNA is initially altered, leaving the mismatched bases susceptible to repair by the host methyl-directed mismatch repair (MMR) system and reduces the efficiency of generating single nucleotide point mutations. Here we describe a method, where expression of cas9 and the MMR-inhibiting mutL
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