For cytoplasmic injections the mix will contain the guide RNA(s), DNA repair template(s), and Cas9 mRNA in nuclease-free buffer at concentrations determined by the core. For pronuclear microinjections ...
CRISPR/Cas-initiated HR in mouse embryos will be used to generate founder animals harboring inserted sequence targeted to the ROSA26 locus. The targeting will be done in embryos using microinjection ...