Toolkit/UV-B light-responsive gene switch

UV-B light-responsive gene switch

Multi-Component Switch·Research·Since 2014

Also known as: UV-B light-controlled gene expression

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

Summary

The UV-B light-responsive gene switch is a mammalian transgene expression system activated by UV-B light and used as one component of a multiwavelength optogenetic control framework. In the cited work, it served alongside blue and red/far-red light-responsive switches to support spectrally separated regulation of gene expression in a single mammalian cell culture.

Usefulness & Problems

Why this is useful

This tool is useful for optogenetic control of transgene expression with a distinct light input that can be combined with other wavelength-specific systems. The cited study positions the UV-B-responsive switch as part of an orthogonal multi-input platform for coordinating multiple gene expression programs in mammalian cells.

Source:

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.

Problem solved

It helps address the challenge of building multi-light genetic networks in mammalian cells by providing a UV-B-activated expression channel. The source specifically identifies insufficient orthogonality between UV-B and blue light-controlled expression as a bottleneck, indicating that the UV-B switch is central to resolving spectral cross-talk in such systems.

Source:

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.

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

No target processes tagged yet.

Input: Light

Implementation Constraints

The evidence indicates use in mammalian cell culture as a transgene expression system responsive to UV-B illumination. No construct design details, cofactors, host cell line information, or delivery methods are provided in the supplied material.

The supplied evidence does not describe the molecular architecture, photoreceptor proteins, dynamic range, activation kinetics, reversibility, or UV-B dose requirements of the UV-B switch. Independent validation beyond the cited 2014 study is not provided, and the orthogonality discussion is framed mainly through the need to redesign the blue-light system.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 2bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 3bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 4bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 5bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 6bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 7bottleneck identificationsupports2014Source 1needs review

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck
Claim 8design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 9design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 10design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 11design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 12design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 13design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 14design requirementsupports2014Source 1needs review

A model-based approach indicated the need for a blue light-responsive gene switch that is insensitive to low-intensity light.

employed a model-based approach that identified the need for a blue light-responsive gene switch that is insensitive to low-intensity light
Claim 15orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 16orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 17orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 18orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 19orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 20orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 21orthogonality demonstrationsupports2014Source 1needs review

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.
Claim 22tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 23tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 24tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 25tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 26tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 27tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.
Claim 28tool developmentsupports2014Source 1needs review

The authors developed a blue light-responsive and rapidly reversible expression system.

Based on this prediction, we developed a blue light-responsive and rapidly reversible expression system.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug uv-b-light-responsive-gene-switch
light-responsive transgene expression systems that are activated by UV-B, blue, or red light have been developed

Source:

bottleneck identificationsupports

A lack of orthogonality between UV-B and blue light-controlled gene expression was identified as the bottleneck for integrating these systems into genetic networks.

We identified a lack of orthogonality between UV-B and blue light-controlled gene expression as the bottleneck

Source:

orthogonality demonstrationsupports

The developed blue light-responsive expression system was used to demonstrate orthogonality among UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Finally, we employed this expression system to demonstrate orthogonality between UV-B, blue, and red/far-red light-responsive gene switches in a single mammalian cell culture.

Source:

Comparisons

Source-backed strengths

The available evidence supports that UV-B-responsive transgene expression had been developed in mammalian cells and was incorporated into a system demonstrating orthogonality with blue and red/far-red light-responsive switches. This establishes utility in multiwavelength gene control, but the provided evidence does not report quantitative performance metrics for the UV-B component alone.

Ranked Citations

  1. 1.
    StructuralSource 1ACS Synthetic Biology2014Claim 1Claim 2Claim 3

    Extracted from this source document.