CRISPR-BASED GENOME MODIFICATION AND REGULATION
First Claim
1. A method for modifying a chromosomal sequence in a cell or embryo, the method comprising introducing into the cell or embryo (a) two or more RNA-guided endonucleases or nucleic acid encoding two or more RNA-guided endonucleases and (b) two or more guiding RNAs or DNA encoding two or more guiding RNAs, wherein each guiding RNA guides one of the RNA-guided endonucleases to a targeted site in the chromosomal sequence and the RNA-guided endonuclease cleaves at least one strand of the chromosomal sequence at the targeted site.
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Abstract
The present invention provides methods for modifying chromosomal sequences. In particular, methods are provided for using RNA-guided endonucleases or modified RNA-guided endonucleases to modify targeted chromosomal sequences.
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Citations
12 Claims
- 1. A method for modifying a chromosomal sequence in a cell or embryo, the method comprising introducing into the cell or embryo (a) two or more RNA-guided endonucleases or nucleic acid encoding two or more RNA-guided endonucleases and (b) two or more guiding RNAs or DNA encoding two or more guiding RNAs, wherein each guiding RNA guides one of the RNA-guided endonucleases to a targeted site in the chromosomal sequence and the RNA-guided endonuclease cleaves at least one strand of the chromosomal sequence at the targeted site.
Specification