Evidence map›Paper›PMID 23907171›Full record

ArticleNature biotechnology2013

CAS9 transcriptional activators for target specificity screening and paired nickases for cooperative genome engineering.

Prashant Mali, John Aach, P Benjamin Stranges, Kevin M Esvelt, Mark Moosburner, Sriram Kosuri, Luhan Yang, George M Church

Abstract read
In one paragraph

Article in Nature biotechnology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 996 papers.

0numbers the graph read from it
0cells of the map it votes in
996citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

996 citing papers in PubMed.

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936 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Prashant Mali1] Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA. [2].
John Aach
P Benjamin Stranges
Kevin M Esvelt
Mark Moosburner
Sriram Kosuri
Luhan Yang
George M Church

Funding

Causal Transcriptional Consequences of Human Genetic VariationP50HG005550 · NHGRI · HARVARD MEDICAL SCHOOL · PI CHURCH, GEORGE M · 2010 to 2014
$19.0M
NHGRI NIH HHS P50 HG005550
6 · The paper itself

Abstract

Prokaryotic type II CRISPR-Cas systems can be adapted to enable targeted genome modifications across a range of eukaryotes. Here we engineer this system to enable RNA-guided genome regulation in human cells by tethering transcriptional activation domains either directly to a nuclease-null Cas9 protein or to an aptamer-modified single guide RNA (sgRNA). Using this functionality we developed a transcriptional activation-based assay to determine the landscape of off-target binding of sgRNA:Cas9 complexes and compared it with the off-target activity of transcription activator-like (TALs) effectors. Our results reveal that specificity profiles are sgRNA dependent, and that sgRNA:Cas9 complexes and 18-mer TAL effectors can potentially tolerate 1-3 and 1-2 target mismatches, respectively. By engineering a requirement for cooperativity through offset nicking for genome editing or through multiple synergistic sgRNAs for robust transcriptional activation, we suggest methods to mitigate off-target phenomena. Our results expand the versatility of the sgRNA:Cas9 tool and highlight the critical need to engineer improved specificity.

Indexed as

Base SequenceCRISPR-Associated ProteinsDeoxyribonuclease IGenetic EngineeringHEK293 CellsHumansModels, GeneticMolecular Sequence DataRNA, Small UntranslatedTrans-ActivatorsCRISPR-Associated ProteinsDeoxyribonuclease IRNA, Small UntranslatedTrans-Activators

Identifiers

PMID23907171
PMCPMC3818127

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.