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Safeguarding CRISPR-Cas9 gene drives in yeast.


ABSTRACT: RNA-guided gene drives capable of spreading genomic alterations made in laboratory organisms through wild populations could be used to address environmental and public health problems. However, the possibility of unintended genome editing occurring through the escape of strains from laboratories, coupled with the prospect of unanticipated ecological change, demands caution. We report the efficacy of CRISPR-Cas9 gene drive systems in wild and laboratory strains of the yeast Saccharomyces cerevisiae. Furthermore, we address concerns surrounding accidental genome editing by developing and validating methods of molecular confinement that minimize the risk of unwanted genome editing. We also present a drive system capable of overwriting the changes introduced by an earlier gene drive. These molecular safeguards should enable the development of safe CRISPR gene drives for diverse organisms.

SUBMITTER: DiCarlo JE 

PROVIDER: S-EPMC4675690 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Safeguarding CRISPR-Cas9 gene drives in yeast.

DiCarlo James E JE   Chavez Alejandro A   Dietz Sven L SL   Esvelt Kevin M KM   Church George M GM  

Nature biotechnology 20151116 12


RNA-guided gene drives capable of spreading genomic alterations made in laboratory organisms through wild populations could be used to address environmental and public health problems. However, the possibility of unintended genome editing occurring through the escape of strains from laboratories, coupled with the prospect of unanticipated ecological change, demands caution. We report the efficacy of CRISPR-Cas9 gene drive systems in wild and laboratory strains of the yeast Saccharomyces cerevisi  ...[more]

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