Toolkit/UVB-inducible expression system

UVB-inducible expression system

Multi-Component Switch·Research·Since 2013

Also known as: UVB-responsive split transcription factor

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

Summary

The UVB-inducible expression system is a UVB-responsive split transcription factor engineered from the Arabidopsis thaliana UVB receptor UVR8 and the COP1 WD40 domain. In mammalian cells, UVB illumination triggers transcriptional activation and provides one wavelength-specific channel for multichromatic gene control.

Usefulness & Problems

Why this is useful

This system is useful as a UVB-gated gene-expression module that can be combined with blue- and red-light-responsive systems for differential optical control of multiple genes. The cited study used this multichromatic framework for mammalian gene expression control and applications to angiogenic signaling processes.

Source:

This system enables UVB-triggered transcriptional activation in mammalian cells using a split transcription factor design. It serves as one wavelength-specific control channel within a multi-chromatic optogenetic toolkit.

Source:

light-inducible gene expression in mammalian cells

Source:

integration into multi-chromatic gene control setups

Problem solved

It addresses the need for a spectrally distinct light-input channel for mammalian synthetic biology. Specifically, it helps solve the problem of controlling multiple genes in the same cell culture with different wavelengths by adding a UVB-responsive transcriptional module.

Source:

It provides a UVB-responsive gene-expression module that can be combined with other light-responsive systems for differential control of multiple genes. This addresses the need for predictable, complementary control channels in mammalian synthetic biology.

Source:

adds a UVB-responsive channel for orthogonal control of gene expression

Published Workflows

Objective: Develop and combine wavelength-specific optogenetic gene control systems to achieve predictable multi-chromatic control of mammalian gene expression and signaling.

Why it works: The workflow combines orthogonal light-responsive control channels so that different wavelengths can independently regulate different gene outputs in the same mammalian cell culture.

light-responsive split transcription factor activationdifferential gene induction by distinct wavelengthssynthetic system designquantitative modelingsystem combination

Stages

  1. 1.
    UVB-responsive system design(library_design)

    To create a new UVB-inducible control channel for mammalian gene expression.

    Selection: Design of a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1

  2. 2.
    Mammalian cell characterization of UVB induction(functional_characterization)

    To establish that the engineered UVB system functions strongly in mammalian cells.

    Selection: Magnitude of UVB-induced gene expression across mammalian cells

  3. 3.
    Quantitative parameter determination(secondary_characterization)

    To identify critical parameters that govern system behavior.

    Selection: Determination of critical system parameters using a quantitative model

  4. 4.
    Combination into multi-chromatic control(confirmatory_validation)

    To show that the UVB module can be integrated with blue and red systems for multi-chromatic control.

    Selection: Ability to differentially express three genes in one mammalian cell culture using different wavelengths

  5. 5.
    Angiogenic signaling application(confirmatory_validation)

    To demonstrate that the multi-chromatic control system can regulate a biologically relevant signaling process.

    Selection: Application of the multi-chromatic system to control angiogenic signaling processes

Steps

  1. 1.
    Design UVB-responsive split transcription factorengineered expression system

    Create a UVB-inducible gene expression module for mammalian cells.

    A UVB-responsive control channel had to be engineered before it could be characterized or combined with other light-responsive systems.

  2. 2.
    Measure UVB-induced gene expression across mammalian cellssystem being characterized

    Establish inducibility and host-range performance of the UVB-responsive system.

    The newly designed system needed functional characterization before broader integration into a multi-color platform.

  3. 3.
    Determine critical system parameters using a quantitative modelanalysis method applied to engineered system

    Identify critical parameters governing system behavior.

    After establishing that the system functions, modeling supports quantitative understanding needed for predictable use and integration.

  4. 4.
    Combine UVB, blue, and red light-inducible systems for multi-gene controlcombined control platform

    Build a multi-chromatic system capable of differential control of multiple genes in one culture.

    The UVB module was combined with existing blue and red systems only after it had been developed and characterized.

  5. 5.
    Apply the multi-chromatic system to angiogenic signaling controlsystem being applied

    Demonstrate functional control of a biologically relevant signaling process.

    After showing multi-gene control, the authors tested whether the platform could control angiogenic signaling processes.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

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

Target processes

signalingtranscription

Input: Light

Implementation Constraints

The construct was designed from Arabidopsis thaliana UVR8 and the WD40 domain of COP1, indicating a multi-component domain-fusion architecture. Reported use requires UVB illumination and mammalian cell expression, but the supplied evidence does not specify promoter architecture, cofactors, delivery method, or exact construct configuration.

The supplied evidence supports function in mammalian cells and in combination with other optical systems, but it does not provide detailed standalone performance metrics for the UVB module. The evidence also does not describe safety, delivery strategy, in vivo use, or therapeutic validation.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 2applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 3applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 4applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 5applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 6applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 7applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 8applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 9applicationsupports2013Source 1needs review

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.
Claim 10capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 11capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 12capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 13capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 14capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 15capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 16capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 17capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 18capabilitysupports2013Source 1needs review

The study demonstrates multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to different wavelengths of light.

we demonstrate for the first time multi-chromatic expression control in mammalian cells by differentially inducing up to three genes in a single cell culture in response to light of different wavelengths
genes differentially induced 3
Claim 19engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 20engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 21engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 22engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 23engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 24engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 25engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 26engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 27engineering resultsupports2013Source 1needs review

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1
Claim 28impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 29impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 30impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 31impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 32impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 33impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 34impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 35impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 36impact statementsupports2013Source 1needs review

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks with unmatched spatiotemporal precision for future research and biomedical applications.

This portfolio of optogenetic tools enables the design and implementation of synthetic biological networks showing unmatched spatiotemporal precision for future research and biomedical applications.
Claim 37modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 38modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 39modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 40modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 41modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 42modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 43modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 44modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 45modeling resultsupports2013Source 1needs review

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.
Claim 46performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 47performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 48performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 49performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 50performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 51performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 52performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 53performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold
Claim 54performancesupports2013Source 1needs review

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.
UVB-induced gene expression fold induction 800 fold

Approval Evidence

1 source4 linked approval claimsfirst-pass slug uvb-inducible-expression-system
we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1

Source:

applicationsupports

Combining the UVB-responsive system with blue and red light-inducible gene control technology enabled multi-chromatic multi-gene control and was applied to angiogenic signaling processes.

By combining this UVB-responsive system with blue and red light-inducible gene control technology, we demonstrate multi-chromatic multi-gene control by differentially expressing three genes in a single cell culture in mammalian cells, and we apply this system for the multi-chromatic control of angiogenic signaling processes.

Source:

engineering resultsupports

The authors developed a UVB-inducible expression system by designing a UVB-responsive split transcription factor based on UVR8 and the WD40 domain of COP1.

we developed an ultraviolet B (UVB)-inducible expression system by designing a UVB-responsive split transcription factor based on the Arabidopsis thaliana UVB receptor UVR8 and the WD40 domain of COP1

Source:

modeling resultsupports

A quantitative model was used to determine critical system parameters.

Based on a quantitative model, we determined critical system parameters.

Source:

performancesupports

The UVB-inducible expression system enabled up to 800-fold UVB-induced gene expression in human, monkey, hamster, and mouse cells.

The system allowed high (up to 800-fold) UVB-induced gene expression in human, monkey, hamster and mouse cells.

Source:

Comparisons

Source-backed strengths

The reported system enabled UVB-triggered transcriptional activation in mammalian cells through a split transcription factor design. In combination with blue and red light-inducible technologies, it supported multichromatic control of up to three genes in a single cell culture and was applied to angiogenic signaling.

Source:

high inducibility up to 800-fold

Source:

reported across human, monkey, hamster and mouse cells

Ranked Citations

  1. 1.
    StructuralSource 1Nucleic Acids Research2013Claim 1Claim 2Claim 3

    Extracted from this source document.