Toolkit/split synthetic zinc-finger transcription factor

split synthetic zinc-finger transcription factor

Multi-Component Switch·Research·Since 2019

Also known as: split synthetic zinc-finger TF

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

Summary

The split synthetic zinc-finger transcription factor is a light-controlled transcriptional switch developed for Saccharomyces cerevisiae. Its activity is reconstituted from split components through CRY2- and CIB1-mediated light-induced dimerization, enabling optical control of gene expression.

Usefulness & Problems

Why this is useful

This tool supports optogenetic control of transcription in S. cerevisiae and was developed in the context of a yeast optogenetic toolkit for rapid circuit assembly. The cited study states that it enables rapid generation and prototyping of light-controlled gene expression circuits in yeast.

Source:

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.

Problem solved

It addresses the need for a modular method to control gene expression with light in Saccharomyces cerevisiae. Specifically, it provides a way to reconstitute transcription factor activity conditionally through illumination rather than constitutive assembly.

Source:

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.

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

transcription

Input: Light

Implementation Constraints

Implementation involves a split synthetic zinc-finger transcription factor whose activity is restored by fusing or otherwise coupling the split components to CRY2 and CIB1 for light-induced association. The available evidence places the system within a modular yeast toolkit in Saccharomyces cerevisiae, but does not provide construct architecture, promoter sequence, illumination parameters, or cofactor requirements.

The supplied evidence is limited to a single 2019 study and a brief mechanistic description. No quantitative performance data, promoter characteristics, dynamic range, wavelength specification, reversibility metrics, or validation outside Saccharomyces cerevisiae are provided here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 2application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 3application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 4application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 5application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 6application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 7application scopesupports2019Source 1needs review

The study enables rapid generation and prototyping of optogenetic circuits to control gene expression in Saccharomyces cerevisiae.

This study allows for rapid generation and prototyping of optogenetic circuits to control gene expression in S. cerevisiae.
Claim 8developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 9developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 10developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 11developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 12developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 13developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 14developmentsupports2019Source 1needs review

The study develops an optogenetic system for gene expression control integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in Saccharomyces cerevisiae.

Here we develop an optogenetic system for gene expression control integrated with an existing yeast toolkit allowing for rapid, modular assembly of light-controlled circuits in the important chassis organism Saccharomyces cerevisiae.
Claim 15mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 16mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 17mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 18mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 19mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 20mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 21mechanismsupports2019Source 1needs review

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.
Claim 22modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 23modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 24modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 25modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 26modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 27modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.
Claim 28modulation capabilitysupports2019Source 1needs review

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug split-synthetic-zinc-finger-transcription-factor
We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.

Source:

mechanismsupports

Activity of a split synthetic zinc-finger transcription factor is reconstituted using CRY2- and CIB1-mediated light-induced dimerization.

We reconstitute activity of a split synthetic zinc-finger transcription factor (TF) using light-induced dimerization mediated by the proteins CRY2 and CIB1.

Source:

modulation capabilitysupports

Using the split transcription factor and a synthetic promoter, light intensity and duty cycle can modulate gene expression over the range currently available from natural yeast promoters.

Utilizing this TF and a synthetic promoter we demonstrate that light intensity and duty cycle can be used to modulate gene expression over the range currently available from natural yeast promoters.

Source:

Comparisons

Source-backed strengths

The reported strength is light-dependent reconstitution of a split synthetic zinc-finger transcription factor via the CRY2/CIB1 interaction. The system was also integrated with an existing yeast toolkit for rapid modular assembly of light-controlled circuits in S. cerevisiae.

Ranked Citations

  1. 1.
    StructuralSource 1Biotechnology and Bioengineering2019Claim 1Claim 2Claim 3

    Extracted from this source document.