Production of genetically engineered mice with higher efficiency, lower mosaicism, and multiplexing capability using maternally expressed Cas9.

Abstract:

:The CRISPR/Cas9 system is widely used to generate gene-edited animals. Here, we developed an efficient system for generating genetically modified mice using maternal Cas9 from Cas9 transgenic mice. Using this system, we achieved lower mosaicism and higher rates of knock-in success, gene-editing, and birth compared to the similar parameters obtained using exogenously administered Cas9 (mRNA/protein) system. Furthermore, we successfully induced simultaneous mutations at multiple loci (a maximum of nine). Our novel gene-editing system based on maternal Cas9 could potentially facilitate the generation of mice with single and multiple gene modifications.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Sakurai T,Kamiyoshi A,Kawate H,Watanabe S,Sato M,Shindo T

doi

10.1038/s41598-020-57996-7

subject

Has Abstract

pub_date

2020-01-23 00:00:00

pages

1091

issue

1

issn

2045-2322

pii

10.1038/s41598-020-57996-7

journal_volume

10

pub_type

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