Toolkit/RNA aptamer

RNA aptamer

RNA Element·Research·Since 2020

Taxonomy: Mechanism Branch / Component. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

This tool is an RNA aptamer-based component for light-controlled, reversible gene transactivation in a CRISPR/dCas9-based system. It is built on the interaction between the photoreceptor PAL and an RNA aptamer to regulate gene expression with light.

Usefulness & Problems

Why this is useful

The platform provides a modular building block for synthetic biological circuit design and is described as broadly applicable. It is also reported to reduce the coding space required for genetic manipulation relative to more protein-heavy implementations.

Source:

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.

Problem solved

This tool addresses the problem of achieving reversible, light-dependent control of CRISPR/dCas9-mediated gene activation using a compact genetic component. The cited work specifically positions it as a way to implement transactivation with strong light responsiveness and minimal dark-state activity.

Problem links

Need controllable genome or transcript editing

Derived

This tool is an RNA aptamer-based component for light-controlled, reversible gene transactivation in a CRISPR/dCas9-based system. It is built on the interaction between the photoreceptor PAL and an RNA aptamer to regulate gene expression with light.

Need precise spatiotemporal control with light input

Derived

This tool is an RNA aptamer-based component for light-controlled, reversible gene transactivation in a CRISPR/dCas9-based system. It is built on the interaction between the photoreceptor PAL and an RNA aptamer to regulate gene expression with light.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Component: A low-level RNA part used inside a larger architecture that realizes a mechanism.

Techniques

No technique tags yet.

Target processes

editing

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: regulator

The construct is based on coupling the photoreceptor PAL to an RNA aptamer within a CRISPR/dCas9 gene activation framework. The available evidence supports light-controlled operation and modular design, but does not specify wavelengths, expression systems, delivery methods, or exact construct architecture.

The supplied evidence does not provide quantitative performance metrics, illumination parameters, target genes, or organism-specific validation details. Independent replication beyond the cited study is not provided in the evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 2applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 3applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 4applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 5applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 6applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 7applicabilitysupports2020Source 1needs review

The platform is broadly applicable and adds to modular building blocks for synthetic biological circuit design.

It adds to the current set of modular building blocks for synthetic biological circuit design and is broadly applicable.
Claim 8design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 9design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 10design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 11design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 12design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 13design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 14design advantagesupports2020Source 1needs review

The platform significantly reduces the coding space required for genetic manipulation.

This platform significantly reduces the coding space required for genetic manipulation
Claim 15performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 16performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 17performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 18performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 19performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 20performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 21performancesupports2020Source 1needs review

The platform provides a strong on-switch with almost no residual activity in the dark.

provides a strong on-switch with almost no residual activity in the dark
Claim 22tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 23tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 24tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 25tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 26tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 27tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.
Claim 28tool descriptionsupports2020Source 1needs review

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.

Approval Evidence

1 source1 linked approval claimfirst-pass slug rna-aptamer
Building on the interaction of the photoreceptor PAL with an RNA aptamer

Source:

tool descriptionsupports

The paper describes a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression built on the interaction of PAL with an RNA aptamer.

Building on the interaction of the photoreceptor PAL with an RNA aptamer, we describe a variation of the CRISPR/dCAS9 system for light-controlled activation of gene expression.

Source:

Comparisons

Source-backed strengths

The source reports a strong on-switch with almost no residual activity in the dark, indicating high dynamic separation between illuminated and dark conditions. The design is also presented as modular and broadly applicable, with the added advantage of reduced coding space.

Source:

provides a strong on-switch with almost no residual activity in the dark

RNA aptamer and antisense oligonucleotides address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing; same primary input modality: light

RNA aptamer and photo-sensitive circular gRNAs address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing; same primary input modality: light

Compared with small regulatory RNAs

RNA aptamer and small regulatory RNAs address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing; same primary input modality: light

Ranked Citations

  1. 1.
    StructuralSource 1Angewandte Chemie International Edition2020Claim 1Claim 2Claim 3

    Extracted from this source document.