MULTIPLEX HOMOLOGY-DIRECTED REPAIR
First Claim
1. A method for introducing a plurality of programmed nucleotide modifications into a single locus of a desired genomic DNA sequence, comprising:
- (a) synthesizing a homology-directed repair (HDR) library comprising a plurality of oligonucleotides, wherein each oligonucleotide comprises a programmed nucleotide modification in the locus of the desired genome; and
(b) co-transfecting a population of cells with (i) an expression system capable of expressing Cas9 and a single guide RNA (sgRNA), and (ii) the HDR library, wherein the expression system is capable of introducing the plurality of oligonucleotides having the programmed nucleotide modifications to the locus of the desired genomic DNA sequence in one or more cells of the population;
wherein the method is carried out in a single experiment.
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Abstract
Disclosed is a method for introducing a plurality of programmed nucleotide modifications into a single locus of a desired genomic DNA sequence in a single experiment. The method entails synthesizing a homology-directed repair (HDR) library comprising a plurality of oligonucleotides, wherein each oligonucleotide comprises a programmed nucleotide modification in the locus of the desired genome, and co-transfecting a population of cells with (i) an expression system capable of expressing Cas9 and a single guide RNA (sgRNA) and (ii) introducing a plurality of programmed nucleotide modifications to the locus of the desired genomic DNA sequence in one or more cells of the population. Also disclosed are methods for analyzing the functional consequence of a genomic mutation and for genomic screening.
194 Citations
20 Claims
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1. A method for introducing a plurality of programmed nucleotide modifications into a single locus of a desired genomic DNA sequence, comprising:
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(a) synthesizing a homology-directed repair (HDR) library comprising a plurality of oligonucleotides, wherein each oligonucleotide comprises a programmed nucleotide modification in the locus of the desired genome; and (b) co-transfecting a population of cells with (i) an expression system capable of expressing Cas9 and a single guide RNA (sgRNA), and (ii) the HDR library, wherein the expression system is capable of introducing the plurality of oligonucleotides having the programmed nucleotide modifications to the locus of the desired genomic DNA sequence in one or more cells of the population; wherein the method is carried out in a single experiment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 19, 20)
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14. A method for analyzing the functional consequence of a genomic mutation comprising:
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(a) synthesizing a homology-directed repair (HDR) library comprising a plurality of oligonucleotides, wherein each oligonucleotide comprises a programmed nucleotide modification in the locus of the desired genome; (b) co-transfecting a population of cells with (i) an expression system capable of expressing Cas9 and a guide RNA (sgRNA) and (ii) the HDR library, wherein the expression system is capable of introducing the plurality of oligonucleotides having the programmed nucleotide modifications to the locus of the desired genomic DNA sequence in one or more cells of the population; (c) harvesting the population of cells; (d) selectively amplifying a genomic DNA and RNA sample, wherein the edited sequences are amplified and the non-edited sequence are not amplified; (e) sequencing the genomic DNA and RNA sample that has been selectively amplified, resulting in a set of genomic transcripts which include the plurality of programmed nucleotide modifications; and (f) functionally analyzing the set of genomic transcripts using a functional assay; wherein the method is carried out in a single experiment. - View Dependent Claims (15, 16, 17, 18)
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Specification