Toolkit/light-switchable transcription factors

light-switchable transcription factors

Multi-Component Switch·Research·Since 2023

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

Summary

Light-switchable transcription factors are multi-component optogenetic regulators reported in a 2023 Nature Communications study. The available evidence indicates that they were obtained by direct screening in mammalian cells and are designed to enable light-dependent control of transcription factor activity.

Usefulness & Problems

Why this is useful

These tools are useful for imposing optical control over transcription in mammalian-cell contexts. The source title also links them to mammalian-cell screening workflows, but the available evidence does not provide performance details or specific application examples.

Problem solved

They address the problem of identifying transcription factors whose activity can be switched by light directly in mammalian cells. This is relevant to controlling transcription with an external light input in systems where mammalian-cell-compatible screening is required.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

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

Target processes

recombinationselectiontranscription

Input: Light

Implementation Constraints

The available evidence supports that the tool is multi-component and was screened in mammalian cells. No further implementation details are provided regarding construct architecture, cofactors, expression systems, delivery methods, or illumination parameters.

The supplied evidence is limited to the article title and does not specify the molecular components, photoreceptor domains, wavelengths, dynamic range, kinetics, or target genes. It also does not document validation across organisms, cell types, or downstream functions such as recombination or selection.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 2reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 3reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 4reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 5reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 6reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells
Claim 7reported obtainment methodsupports2023Source 1needs review

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells

Approval Evidence

1 source1 linked approval claimfirst-pass slug light-switchable-transcription-factors
Light-switchable transcription factors obtained by direct screening in mammalian cells

Source:

reported obtainment methodsupports

The paper reports light-switchable transcription factors obtained by direct screening in mammalian cells.

Light-switchable transcription factors obtained by direct screening in mammalian cells

Source:

Comparisons

Source-backed strengths

A key reported strength is that the light-switchable transcription factors were obtained by direct screening in mammalian cells, which supports compatibility with that cellular context. Beyond this obtainment method and the light-dependent transcriptional switching concept, the provided evidence does not report quantitative strengths.

Ranked Citations

  1. 1.
    StructuralSource 1Nature Communications2023Claim 1Claim 2Claim 3

    Extracted from this source document.