Toolkit/far-red light-induced split Cre-loxP system

far-red light-induced split Cre-loxP system

Multi-Component Switch·Research·Since 2020

Also known as: FISC system

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

Summary

The far-red light-induced split Cre-loxP system (FISC system) is a multi-component optogenetic genome-engineering tool built from a bacteriophytochrome-based light-responsive system and split Cre recombinase. It enables far-red-light-controlled Cre-loxP recombination for non-invasive, spatiotemporally regulated genome engineering in living systems and mice.

Usefulness & Problems

Why this is useful

FISC is useful for controlling DNA recombination with far-red light, providing temporal and spatial regulation without invasive intervention. The reported in vivo organ penetration and superior liver recombination induction relative to two blue-light-based Cre systems support its value for deep-tissue applications.

Source:

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.

Problem solved

FISC addresses the problem of achieving non-invasive, spatiotemporally controlled Cre-loxP genome engineering in vivo. It specifically extends optogenetic DNA recombination beyond more weakly penetrating blue-light approaches by using a far-red-responsive bacteriophytochrome system.

Source:

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

Techniques

No technique tags yet.

Target processes

recombination

Input: Light

Implementation Constraints

FISC is based on a bacteriophytochrome optogenetic system fused to split Cre recombinase components, indicating a multi-component construct architecture assembled by domain fusion and protein splitting. The evidence also states that the system was successfully delivered using adeno-associated virus, but the supplied material does not specify construct stoichiometry, chromophore requirements, serotype, or promoter design.

The supplied evidence does not provide quantitative recombination efficiencies, background activity, illumination parameters, or kinetics. Validation is described for living systems and mice, with a specific comparative result in liver, but broader tissue generality and independent replication are not documented here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 2application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 3application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 4application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 5application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 6application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 7application scopesupports2020Source 1needs review

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.
Claim 8comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 9comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 10comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 11comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 12comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 13comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 14comparative performancesupports2020Source 1needs review

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.
Claim 15delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 16delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 17delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 18delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 19delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 20delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 21delivery applicationsupports2020Source 1needs review

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.
Claim 22developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 23developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 24developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 25developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 26developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 27developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 28developmentsupports2020Source 1needs review

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).
Claim 29performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 30performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 31performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 32performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 33performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 34performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.
Claim 35performancesupports2020Source 1needs review

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.

Approval Evidence

1 source5 linked approval claimsfirst-pass slug far-red-light-induced-split-cre-loxp-system
Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase

Source:

application scopesupports

The FISC system expands the optogenetic toolbox for DNA recombination to enable spatiotemporally controlled, non-invasive genome engineering in living systems.

Thus, the FISC system expands the optogenetic toolbox for DNA recombination to achieve spatiotemporally controlled, non-invasive genome engineering in living systems.

Source:

comparative performancesupports

In vivo, the FISC system shows strong organ penetration and markedly outperforms two blue-light-based Cre systems for recombination induction in the liver.

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.

Source:

delivery applicationsupports

The FISC system was successfully deployed using adeno-associated virus delivery.

Demonstrating its strong clinical relevance, we successfully deploy a FISC system using adeno-associated virus (AAV) delivery.

Source:

developmentsupports

The paper reports development of a far-red light-induced split Cre-loxP system called FISC for optogenetic regulation of genome engineering in vivo using far-red light.

Here, we develop a far-red light-induced split Cre-loxP system (FISC system) based on a bacteriophytochrome optogenetic system and split-Cre recombinase, enabling optogenetical regulation of genome engineering in vivo solely by utilizing a far-red light (FRL).

Source:

performancesupports

The FISC system exhibits low background, no detectable photocytotoxicity, and efficient far-red-light-induced DNA recombination.

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.

Source:

Comparisons

Source-backed strengths

The system was reported to expand the optogenetic toolbox for DNA recombination in living systems. In vivo, it showed strong organ penetration and markedly outperformed two blue-light-based Cre systems for recombination induction in the liver, and it was also successfully deployed using adeno-associated virus delivery.

Source:

Our in vivo studies showcase the strong organ-penetration capacity of FISC system, markedly outperforming two blue-light-based Cre systems for recombination induction in the liver.

Source:

The FISC system exhibits low background and no detectable photocytotoxicity, while offering efficient FRL-induced DNA recombination.

Ranked Citations

  1. 1.
    StructuralSource 1Nature Communications2020Claim 1Claim 2Claim 3

    Extracted from this source document.