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.

Problem links

Need precise spatiotemporal control with light input

Derived

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

Need tighter control over gene expression timing or amplitude

Derived

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

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

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenimplementation constraint: spectral hardware requirementoperating role: regulatorswitch architecture: multi componentswitch architecture: recruitmentswitch architecture: split

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 8application 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 9application 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 10application 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 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 15developmentsupports2019Source 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 16developmentsupports2019Source 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 17developmentsupports2019Source 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 18developmentsupports2019Source 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 19developmentsupports2019Source 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 20developmentsupports2019Source 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 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 22mechanismsupports2019Source 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 23mechanismsupports2019Source 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 24mechanismsupports2019Source 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 25mechanismsupports2019Source 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 26mechanismsupports2019Source 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 27mechanismsupports2019Source 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 28mechanismsupports2019Source 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 29mechanismsupports2019Source 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 30mechanismsupports2019Source 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 31mechanismsupports2019Source 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 32mechanismsupports2019Source 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 33mechanismsupports2019Source 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 34mechanismsupports2019Source 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 35mechanismsupports2019Source 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 36mechanismsupports2019Source 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 37mechanismsupports2019Source 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 38modulation 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 39modulation 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 40modulation 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 41modulation 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 42modulation 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 43modulation 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 44modulation 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 45modulation 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 46modulation 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 47modulation 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 48modulation 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 49modulation 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 50modulation 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 51modulation 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 52modulation 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 53modulation 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 54modulation 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.

split synthetic zinc-finger transcription factor and CRY2-CIB1 light-inducible transcription system address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: light-induced heterodimerization; same primary input modality: light

split synthetic zinc-finger transcription factor and LITEs (Light-inducible transcriptional effectors) address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: heterodimerization; same primary input modality: light

Compared with mOptoT7

split synthetic zinc-finger transcription factor and mOptoT7 address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: light-induced heterodimerization; same primary input modality: light

Relative tradeoffs: appears more independently replicated; looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Biotechnology and Bioengineering2019Claim 10Claim 9Claim 10

    Extracted from this source document.