Cited by 4,741CRISPR and Genetic EngineeringRNA regulation and diseaseRNA Interference and Gene Delivery

The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.

DNA targeting specificity of RNA-guided Cas9 nucleases

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Abstract

The Streptococcus pyogenes Cas9 (SpCas9) nuclease can be efficiently targeted to genomic loci by means of single-guide RNAs (sgRNAs) to enable genome editing. Here, we characterize SpCas9 targeting specificity in human cells to inform the selection of target sites and avoid off-target effects. Our study evaluates >700 guide RNA variants and SpCas9-induced indel mutation levels at >100 predicted genomic off-target loci in 293T and 293FT cells. We find that SpCas9 tolerates mismatches between guide RNA and target DNA at different positions in a sequence-dependent manner, sensitive to the number, position and distribution of mismatches. We also show that SpCas9-mediated cleavage is unaffected by DNA methylation and that the dosage of SpCas9 and sgRNA can be titrated to minimize off-target modification. To facilitate mammalian genome engineering applications, we provide a web-based software tool to guide the selection and validation of target sequences as well as off-target analyses.

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Crossref · 10.1038/nbt.2647

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Metadata

Authors
Hsu, P. D., Scott, D. A., Weinstein, J. A., Ran, F. A., Konermann, S., Agarwala, V., Li, Y., Fine, E. J., Wu, X., Shalem, O., Cradick, T. J., Marraffini, L. A., Bao, G., & Zhang, F.
Affiliations
  • Broad Institute (US)
  • Georgia Institute of Technology (US)
  • Koch Institute for Integrative Cancer Research At MIT (US)
  • Rockefeller University (US)
Corresponding author
Zhang, Feng
Venue
Nature Biotechnology
Published
2013-07-21
Volume
31
Issue
9
Pages
827-832
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2036176224
Cited by
4,741
References
29
Citations by year
2026: 242 · 2025: 300 · 2024: 304 · 2023: 331 · 2022: 372 · 2021: 424 · 2020: 416 · 2019: 422 · 2018: 463 · 2017: 438 · 2016: 402 · 2015: 297 · 2014: 269 · 2013: 53
FWCI
152.56
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion)
  • PMC
Funders
  • National Science Foundation
  • Howard Hughes Medical Institute
  • Damon Runyon Cancer Research Foundation
  • McKnight Foundation
  • Life Sciences Research Foundation
  • National Institutes of Health (R01‐grant, GM34277)
  • Harvard Stem Cell Institute
  • National Institute of Mental Health (DP1MH100706)
  • National Eye Institute (PN2EY018244)
  • National Cancer Institute (R01CA133404)
  • National Institute of General Medical Sciences (R01GM034277, R01 GM34277, T32GM007753)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK097768)
  • National Center for Chronic Disease Prevention and Health Promotion (DP1‑MH100706)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
SpCas9, single guide RNA, genome editing, off-target effects, mismatch tolerance, DNA methylation, indel mutations, guide RNA design, target site selection, HEK293T cells, web-based design tool
MeSH terms
Bacterial Proteins, Base Sequence, Deoxyribonucleases, DNA, Genetic Engineering, Molecular Sequence Data, Streptococcus pyogenes, Transcription Factors, Base Pair Mismatch, RNA, Small Untranslated

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