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Cas9-induced nonhomologous recombination in C. elegans.


ABSTRACT: Identification of the genetic basis of phenotypic variation within species remains challenging. In species with low recombination rates, such as Caenorhabditis elegans , genomic regions linked to a phenotype of interest by genetic mapping studies are often large, making it difficult to identify the specific genes and DNA sequence variants that underlie phenotypic differences. Here, we introduce a method that enables researchers to induce targeted recombination in C. elegans with Cas9. We demonstrate that high rates of targeted recombination can be induced by Cas9 in a genomic region in which naturally occurring recombination events are exceedingly rare. We anticipate that Cas9-induced nonhomologous recombination (CINR) will greatly facilitate high-resolution genetic mapping in this species.

SUBMITTER: Zdraljevic S 

PROVIDER: S-EPMC9882370 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Cas9-induced nonhomologous recombination in <i>C. elegans</i>.

Zdraljevic Stefan S   Walter-McNeill Laura L   Marquez Heriberto H   Kruglyak Leonid L  

bioRxiv : the preprint server for biology 20230120


Identification of the genetic basis of phenotypic variation within species remains challenging. In species with low recombination rates, such as <i>Caenorhabditis elegans</i> , genomic regions linked to a phenotype of interest by genetic mapping studies are often large, making it difficult to identify the specific genes and DNA sequence variants that underlie phenotypic differences. Here, we introduce a method that enables researchers to induce targeted recombination in <i>C. elegans</i> with Ca  ...[more]

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