Evidence map›Paper›PMID 33619539›Full record

ArticleNucleic acids research2021

Sequence-independent RNA sensing and DNA targeting by a split domain CRISPR-Cas12a gRNA switch.

Scott P Collins, William Rostain, Chunyu Liao, Chase L Beisel

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 7% of its field
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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 55 citations in OpenAlex.

  1. Engineering CRISPR guide RNAs for programmable RNA sensors.Biochemical Society transactions · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 3 countries.

Scott P CollinsDepartment of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
William RostainGénomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry, Université Paris-Saclay, 91057 Évry, France.
Chunyu LiaoHelmholtz Institute for RNA-based Infection Research (HIRI)/Helmholtz Centre for Infection Research (HZI), Josef-Schneider-Str. 2/D15, 97080 Würzburg, Germany.
Chase L BeiselDepartment of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
North Carolina State University · USCentre National de la Recherche Scientifique · FRHelmholtz Centre for Infection Research · DE

Funding

Understanding and exploiting the functional diversity of CRISPR-Cas immune systemsR35GM119561 · NIGMS · NORTH CAROLINA STATE UNIVERSITY RALEIGH · PI BEISEL, CHASE LAWRENCE · 2016 to 2020
$1.9M
NIGMS NIH HHS R35 GM119561
6 · The paper itself

Abstract

CRISPR technologies increasingly require spatiotemporal and dosage control of nuclease activity. One promising strategy involves linking nuclease activity to a cell's transcriptional state by engineering guide RNAs (gRNAs) to function only after complexing with a 'trigger' RNA. However, standard gRNA switch designs do not allow independent selection of trigger and guide sequences, limiting gRNA switch application. Here, we demonstrate the modular design of Cas12a gRNA switches that decouples selection of these sequences. The 5' end of the Cas12a gRNA is fused to two distinct and non-overlapping domains: one base pairs with the gRNA repeat, blocking formation of a hairpin required for Cas12a recognition; the other hybridizes to the RNA trigger, stimulating refolding of the gRNA repeat and subsequent gRNA-dependent Cas12a activity. Using a cell-free transcription-translation system and Escherichia coli, we show that designed gRNA switches can respond to different triggers and target different DNA sequences. Modulating the length and composition of the sensory domain altered gRNA switch performance. Finally, gRNA switches could be designed to sense endogenous RNAs expressed only under specific growth conditions, rendering Cas12a targeting activity dependent on cellular metabolism and stress. Our design framework thus further enables tethering of CRISPR activities to cellular states.

Indexed as

CRISPR-Cas SystemsCRISPR-Associated ProteinsDNAEndodeoxyribonucleasesEscherichia coliPhosphotransferases (Alcohol Group Acceptor)Protein BiosynthesisRNARNA, MessengerTranscription, GeneticCRISPR-Associated ProteinsDNAEndodeoxyribonucleasesPhosphotransferases (Alcohol Group Acceptor)ribulokinaseRNARNA, Messenger

Identifiers

PMID33619539
PMCPMC7968991
OpenAlexW3132852829

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.