Fast Antibiotic resistance-Based gene editing of mammalian cells with CRISPR-Cas9 (FAB-CRISPR)
Protein tagging with CRISPR-Cas9 enables the investigation of protein function in its native environment but is limited by low homology-directed repair (HDR) efficiency causing low knock-in rates. We present a detailed pipeline using HDR donor plasmids containing antibiotic resistance cassettes for rapid selection of gene-edited cells. Our protocol streamlines N- or C-terminal tagging in human cells, enabling HDR donor plasmid preparation in a single cloning step.
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