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light-controlled gene expression

Candidate: concept label2 source documents4 linked claims
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Extracted Explainers

What the tool is doing

This concept covers methods that use light to control steps of gene expression from transcription to translation. The abstract frames light as an external, orthogonal signal for regulating biology.

Source 1DOIPubMed

Resources required

These approaches require light delivery and light-responsive components such as photocaged small molecules, nucleic acids, proteins, or naturally light-sensitive proteins.

Source 1DOIPubMed

What problem it solves

It solves the need for precise spatial and temporal control over gene expression across biotechnology settings from cell-free to in vivo.

Source 1DOIPubMed

What it does not solve

The abstract does not claim that all implementations avoid phototoxicity or penetrate tissue well; it notes that many current technologies still use ultraviolet light.

Source 1DOIPubMed

Alternatives

The abstract contrasts chemical photocaging approaches with engineering approaches based on naturally light-sensitive proteins.

Source 1DOIPubMed

Evidence Snippets

The use of light to control biology offers unparalleled spatiotemporal resolution from an external, orthogonal signal.
Evidence 1Source 1DOIPubMedprovenance
Specifically, light-controlled gene expression exhibits an enormous potential for various synthetic bio(techno)logical purposes.
Evidence 2Source 2DOIPubMedprovenance

Supporting Sources

Source 2primary paper2016Applied and Environmental MicrobiologyDOIPubMed
1 evidence snippet1 linked claimClaim 1

Linked Claims

Claim 1application scopesupports2020Source 1DOIPubMed

Methods have been developed to use light to control transcription and translation of specific genes into proteins across applications from cell-free to in vivo biotechnology.

Quoted textsource-backed
A variety of methods have been developed that use light to control the steps of transcription and translation of specific genes into proteins, for cell-free to in vivo biotechnology applications.
Claim 2capability statementsupports2020Source 1DOIPubMed

Light can be used to control biology with high spatiotemporal resolution as an external orthogonal signal.

Quoted textsource-backed
The use of light to control biology offers unparalleled spatiotemporal resolution from an external, orthogonal signal.
Claim 3field trendsupports2020Source 1DOIPubMed

Most currently available light-controlled gene expression technologies use ultraviolet light, but there is increasing use of longer-wavelength functionalities to reduce cellular damage and improve tissue penetration.

Quoted textsource-backed
Although the majority of currently available technologies employ ultraviolet light, there has been a recent increase in the use of functionalities that work at longer wavelengths of light, to minimise cellular damage and increase tissue penetration.
Claim 4application potentialsupports2016Source 2DOIPubMed

Light-controlled gene expression has strong potential for synthetic biotechnological applications and can provide precise, homogeneous, noninvasive, and spatiotemporal control for parallelized expression cultures.

Quoted textsource-backed
Specifically, light-controlled gene expression exhibits an enormous potential for various synthetic bio(techno)logical purposes. Especially for increasing numbers of parallelized expression cultures, noninvasive and spatiotemporal light induction qualifies for a precise, homogeneous, and thus higher-order control to fully automatize or optimize future biotechnological applications.