2019
DOI: 10.1101/525857
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Conditional Guide RNAs: Programmable Conditional Regulation of CRISPR/Cas Function in Bacteria via Dynamic RNA Nanotechnology

Abstract: Dynamic RNA Nanotechnology in Living Cells Programmable RNA trigger X dCas9 Constitutively inactive (OFF ON logic) cgRNA Y Programmable DNA target Constitutively active (ON OFF logic) X dCas9 Y cgRNAA guide RNA (gRNA) directs the function of a CRISPR protein effector to a target gene of choice, providing a versatile programmable platform for engineering diverse modes of synthetic regulation (edit, silence, induce, bind). However, the fact that gRNAs are constitutively active places limitations on the ability t… Show more

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Cited by 3 publications
(3 citation statements)
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“…Pierce's group described a method to program CRISPR/Cas functions. This method uses engineered conditional guide RNA (cgRNA) to trigger the response under the premise of the presence of endogenous RNA triggers [62]. The cgRNA triggered by this endogenous RNA can turn on or turn off gene expression mediated by the function of Cas9 (Fig.…”
Section: Responsive Crispr-cas Systems Based On Dynamic Nucleic Acid Nanotechnologymentioning
confidence: 99%
“…Pierce's group described a method to program CRISPR/Cas functions. This method uses engineered conditional guide RNA (cgRNA) to trigger the response under the premise of the presence of endogenous RNA triggers [62]. The cgRNA triggered by this endogenous RNA can turn on or turn off gene expression mediated by the function of Cas9 (Fig.…”
Section: Responsive Crispr-cas Systems Based On Dynamic Nucleic Acid Nanotechnologymentioning
confidence: 99%
“…This approach has allowed to achieve spatiotemporal control of gene expression in bacterial and mammalian cells. [16][17] Recently, other strategies based on nucleic acid strand displacement reactions (SDRs) for controlling DNA-targeting CRISPR-based systems have been reported to work in vitro and in vivo. [8,[18][19] This reaction allows for reversible, sequence-controlled switching between single-and double-stranded DNA (dsDNA), as well as other nucleic acid secondary structures (e.g., hairpin, triplex, etc.).…”
Section: Introductionmentioning
confidence: 99%
“…This approach has allowed to achieve spatiotemporal control of gene expression in bacterial and mammalian cells. [16][17] Recently, other strategies based on nucleic acid strand displacement reactions (SDRs) for controlling DNA-targeting CRISPR-based systems have been reported to work in vitro and in vivo. [8,[18][19] This reaction allows for reversible, sequence-controlled switching between single-and double-stranded DNA (dsDNA), as well as other nucleic acid secondary structures (e.g., hairpin, triplex, etc.).…”
Section: Introductionmentioning
confidence: 99%