First-pass extracted concept

synthetic near-infrared-light-responsive two-component systems

Candidate: concept label1 source documents4 linked claims

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Aliases

NIR-light-responsive systems, synthetic TCSs

Extracted Explainers

What the tool is doing

This paper describes synthetic bacterial two-component systems that activate gene expression in response to near-infrared light. The systems are built by harnessing photosensors from rhizobial bathy-phytochromes.

Source 1DOI PubMed

Resources required

The abstract supports that these systems require rhizobial bathy-phytochrome photosensors and a bacterial two-component signaling framework deployed in host bacteria such as E. coli or Agrobacterium tumefaciens.

Source 1DOI PubMed

What problem it solves

The tool addresses the need for spatially and temporally controlled inducible gene expression in bacteria using NIR light.

Source 1DOI PubMed

What it does not solve

The abstract does not establish exact performance limits, delivery requirements, or whether the systems generalize beyond the named bacterial hosts.

Source 1DOI PubMed

Alternatives

The abstract contrasts these NIR-responsive systems with visible-light control and notes multiplexing with NIR and visible light, but does not provide a detailed benchmark against specific alternative tools.

Source 1DOI PubMed

Evidence Snippets

Here, we harness the photosensors of rhizobial bathy-phytochromes to construct synthetic TCSs for stringent activation of gene expression by near-infrared (NIR) light in laboratory and probiotic Escherichia coli strains, and in Agrobacterium tumefaciens.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1primary paper2025MEDDOI PubMed

1 evidence snippet 4 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1engineering resultsupports2025Source 1DOI PubMed

The study constructed synthetic bacterial two-component systems using rhizobial bathy-phytochrome photosensors to achieve stringent activation of gene expression by near-infrared light.

Quoted textsource-backed

Here, we harness the photosensors of rhizobial bathy-phytochromes to construct synthetic TCSs for stringent activation of gene expression by near-infrared (NIR) light in laboratory and probiotic Escherichia coli strains, and in Agrobacterium tumefaciens.

Claim 2host rangesupports2025Source 1DOI PubMed

The NIR-responsive synthetic two-component systems were deployed in laboratory and probiotic Escherichia coli strains and in Agrobacterium tumefaciens.

Quoted textsource-backed

Here, we harness the photosensors of rhizobial bathy-phytochromes to construct synthetic TCSs for stringent activation of gene expression by near-infrared (NIR) light in laboratory and probiotic Escherichia coli strains, and in Agrobacterium tumefaciens.

Claim 3mechanistic interpretationsupports2025Source 1DOI PubMed

Light signals can be processed by two-component systems into highly nonlinear responses at the level of gene expression.

Quoted textsource-backed

Evidently, light signals can be processed by TCSs into highly nonlinear responses at the physiologically relevant level of gene expression.

Claim 4specificitysupports2025Source 1DOI PubMed

The NIR-light-responsive systems hardly responded to red light despite substantial photochemical activation of bathy-phytochromes by visible radiation.

Quoted textsource-backed

Notwithstanding substantial photochemical activation of bathy-phytochromes by visible radiation, the NIR-light-responsive systems hardly responded to red light.