Toolkit/three-stranded DNAzyme probe

three-stranded DNAzyme probe

Construct Pattern·Research·Since 2024

Also known as: TSDP

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

Summary

The three-stranded DNAzyme probe (TSDP) is a CRISPR/Cas9-inducible DNA construct engineered with a 20-bp Cas9 recognition site that suppresses DNAzyme activity until cleavage. It was developed for in situ imaging of nuclear Zn2+ in living cells and was further combined with photoactivation and Boolean logic control for spatiotemporal imaging.

Usefulness & Problems

Why this is useful

TSDP is useful for conditional activation of a DNAzyme signal in the nucleus, enabling in situ imaging of nuclear Zn2+ in living cells. Integration with photoactivation and Boolean logic gating was reported to provide superior spatiotemporal control for dynamic monitoring in HeLa cells and mice.

Source:

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.

Problem solved

TSDP addresses the problem of keeping a DNAzyme probe inactive until a defined trigger is present, using a CRISPR/Cas9 recognition sequence to block catalytic function before cleavage. This design supports controlled nuclear Zn2+ imaging with added spatial and temporal regulation when coupled to photoactivation and logic gating.

Source:

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.

Problem links

Need controllable genome or transcript editing

Derived

The three-stranded DNAzyme probe (TSDP) is a CRISPR/Cas9-inducible DNA construct engineered with a 20-bp Cas9 recognition site that suppresses DNAzyme activity until cleavage. It was developed for in situ imaging of nuclear Zn2+ in living cells and was further integrated with photoactivation and Boolean logic control for spatiotemporal imaging.

Need inducible protein relocalization or recruitment

Derived

The three-stranded DNAzyme probe (TSDP) is a CRISPR/Cas9-inducible DNA construct engineered with a 20-bp Cas9 recognition site that suppresses DNAzyme activity until cleavage. It was developed for in situ imaging of nuclear Zn2+ in living cells and was further integrated with photoactivation and Boolean logic control for spatiotemporal imaging.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A reusable architecture pattern for arranging parts into an engineered system.

Target processes

editinglocalization

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: actuatoroperating role: regulatorswitch architecture: cleavage

The construct is described as a three-stranded DNAzyme probe containing a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus. Reported use includes living cells, specifically HeLa cells, and mice, but the supplied evidence does not detail delivery methods, expression systems, or the specific photoactivation chemistry.

The supplied evidence is limited to a single 2024 study and does not provide detailed quantitative performance metrics, such as sensitivity, kinetics, background suppression, or off-target effects. The available text also does not specify sequence architecture beyond the 20-bp recognition site or define how broadly the construct has been validated across cell types or targets other than nuclear Zn2+.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 2application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 3application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 4application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 5application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 6application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 7application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 8application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 9application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 10application capabilitysupports2024Source 1needs review

The CRISPR/Cas9-inducible DNAzyme design enables in situ imaging of nuclear Zn2+ in living cells.

With this design, the CRISPR/Cas9‐inducible imaging of nuclear Zn 2+ is demonstrated in living cells.
Claim 11comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 12comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 13comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 14comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 15comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 16comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 17comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 18comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 19comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 20comparative performancesupports2024Source 1needs review

Integrating the CRISPR-DNAzyme system with photoactivation strategy and Boolean logic gate provided superior spatiotemporal control imaging for dynamic monitoring of nuclear Zn2+ in HeLa cells and mice.

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.
Claim 21design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 22design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 23design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 24design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 25design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 26design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 27design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 28design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 29design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 30design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 31design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 32design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 33design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 34design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 35design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 36design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 37design mechanismsupports2024Source 1needs review

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.
recognition site length 20 bp
Claim 38toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 39toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 40toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 41toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 42toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 43toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 44toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 45toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 46toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 47toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 48toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 49toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 50toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 51toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 52toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 53toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.
Claim 54toolbox expansionsupports2024Source 1needs review

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug three-stranded-dnazyme-probe
We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity.

Source:

design mechanismsupports

The three-stranded DNAzyme probe contains a 20-bp CRISPR/Cas9 recognition site that blocks DNAzyme activity until Cas9/sgRNA cleavage forms the catalytic DNAzyme structure in the nucleus.

We developed a three‐stranded DNAzyme probe (TSDP) that contained a 20‐base‐pair (20‐bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure.

Source:

toolbox expansionsupports

This conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and provides new analytical methods for nuclear metal-associated biology.

Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal‐associated biology.

Source:

Comparisons

Source-backed strengths

The reported design uses a 20-bp CRISPR/Cas9 recognition site to prevent premature DNAzyme activity and to enable catalytic activation after Cas9/sgRNA cleavage in the nucleus. The source literature states that the photoactivatable, Boolean-gated CRISPR-DNAzyme system achieved superior spatiotemporal control for dynamic nuclear Zn2+ imaging in HeLa cells and mice.

Source:

Moreover, the superiority of CRISPR‐DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn 2+ in both HeLa cells and mice.

Compared with Boolean logic gate

three-stranded DNAzyme probe and Boolean logic gate address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing; shared mechanisms: boolean logic gating, crispr/cas9-mediated cleavage

Strengths here: looks easier to implement in practice.

three-stranded DNAzyme probe and CRISPR/Cas9-inducible DNAzyme probe address a similar problem space because they share editing, localization.

Shared frame: shared target processes: editing, localization; shared mechanisms: boolean logic gating, crispr/cas9-mediated cleavage, photocleavage

Strengths here: looks easier to implement in practice.

Compared with CRY2-DNMT3A-CD fusion

three-stranded DNAzyme probe and CRY2-DNMT3A-CD fusion address a similar problem space because they share editing, localization.

Shared frame: same top-level item type; shared target processes: editing, localization

Strengths here: looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Angewandte Chemie2024Claim 9Claim 9Claim 9

    Extracted from this source document.