Cited by 1,243CRISPR and Genetic EngineeringRNA Interference and Gene DeliveryChromatin Remodeling and Cancer

Genome-scale CRISPR-Cas9 Knockout and Transcriptional Activation Screening

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Joung, Julia, Konermann, Silvana, Gootenberg, Jonathan S, Abudayyeh, Omar O, Platt, Randall J, Brigham, Mark D, Sanjana, Neville E, Zhang, Feng·2017·Nature Protocols

Published version of a preprint

Abstract

Forward genetic screens are powerful tools for the unbiased discovery and functional characterization of specific genetic elements associated with a phenotype of interest. Recently, the RNA-guided endonuclease Cas9 from the microbial CRISPR (clustered regularly interspaced short palindromic repeats) immune system has been adapted for genome-scale screening by combining Cas9 with pooled guide RNA libraries. Here we describe a protocol for genome-scale knockout and transcriptional activation screening using the CRISPR-Cas9 system. Custom- or ready-made guide RNA libraries are constructed and packaged into lentiviral vectors for delivery into cells for screening. As each screen is unique, we provide guidelines for determining screening parameters and maintaining sufficient coverage. To validate candidate genes identified by the screen, we further describe strategies for confirming the screening phenotype, as well as genetic perturbation, through analysis of indel rate and transcriptional activation. Beginning with library design, a genome-scale screen can be completed in 9-15 weeks, followed by 4-5 weeks of validation.

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  1. [21]Deltcheva E CRISPR RNA maturation by trans-encoded small RNA and host factor RNase III Nature 471 602 607 10.1038/nature09886nature09886 [pii] 2011 21455174 PMC3070239 · DOI

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Authors
Joung, J., Konermann, S., Gootenberg, J. S., Abudayyeh, O. O., Platt, R. J., Brigham, M. D., Sanjana, N. E., & Zhang, F.
Affiliations
Broad Institute (US)
Corresponding author
Zhang, Feng
Venue
Nature Protocols
Published
2017-03-23
Volume
12
Issue
4
Pages
828-863
ISSN
  • 1750-2799 (ISSN-L)
  • 1754-2189
OpenAlex
W2601885162
Cited by
1,243
References
75
Citations by year
2026: 142 · 2025: 153 · 2024: 184 · 2023: 173 · 2022: 168 · 2021: 138 · 2020: 119 · 2019: 85 · 2018: 58 · 2017: 21 · 2016: 1
FWCI
30.81
Type
journal article
Language
en
Open access
Locations
  • Nature Protocols (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • Repository for Publications and Research Data (ETH Zurich) (submittedVersion, cc-by-nc-nd)
  • PMC
  • ETH Zürich Research Collection
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health
  • McGovern Institute for Brain Research, Massachusetts Institute of Technology
  • National Institute of Mental Health (DP1MH100706, R01MH110049)
  • National Human Genome Research Institute (R00HG008171)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK097768)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
CRISPR/Cas9, guide RNA library, lentiviral vectors, forward genetic screen, RNA-guided endonuclease, library design, candidate gene validation, functional genomics
MeSH terms
Animals, Genetic Vectors, Humans, Phenotype, Transcriptional Activation, Gene Library, Lentivirus, Genomics, Mice, Gene Knockout Techniques, CRISPR-Cas Systems

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