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Publication Detail

Title: Simple CRISPR-Cas9 Genome Editing in Saccharomyces cerevisiae.

Authors: Laughery, Marian F; Wyrick, John J

Published In Curr Protoc Mol Biol, (2019 12)

Abstract: CRISPR-Cas9 has emerged as a powerful method for editing the genome in a wide variety of species, since it can generate a specific DNA break when targeted by the Cas9-bound guide RNA. In yeast, Cas9-targeted DNA breaks are used to promote homologous recombination with a mutagenic template DNA, in order to rapidly generate genome edits (e.g., DNA substitutions, insertions, or deletions) encoded in the template DNA. Since repeated Cas9-induced DNA breaks select against unedited cells, Cas9 can be used to generate marker-free genome edits. Here, we describe a simple protocol for constructing Cas9-expressing plasmids containing a user-designed guide RNA, as well as protocols for using these plasmids for efficient genome editing in yeast. © 2019 by John Wiley & Sons, Inc. Basic Protocol 1: Constructing the guide RNA expression vector Basic Protocol 2: Preparing double-stranded oligonucleotide repair template Alternate Protocol 1: Preparing a single-stranded oligonucleotide repair template Basic Protocol 3: Induce genome editing by co-transformation of yeast Basic Protocol 4: Screening for edited cells Basic Protocol 5: Removing sgRNA/CAS9 expression vector Alternate Protocol 2: Removing pML107-derived sgRNA/CAS9 expression vector.

PubMed ID: 31763795 Exiting the NIEHS site

MeSH Terms: CRISPR-Associated Protein 9/genetics*; CRISPR-Cas Systems*; Gene Editing/methods*; Genetic Vectors/genetics; Plasmids/genetics*; RNA, Guide/genetics*; Saccharomyces cerevisiae/genetics*

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