First-pass extracted concept

chemically inducible transgene expression systems in plants

Candidate: concept label1 source documents4 linked claims

Jump to explainers Jump to evidence Jump to sources Jump to claims

Live refresh every 5sNext refresh in 5s

Extracted Explainers

What the tool is doing

These systems regulate plant transgene expression in response to added chemical agents through chemically inducible promoters. The abstract describes them as a common plant strategy for transcriptional control.

Source 1DOI PubMed

Resources required

The abstract states that these systems usually contain two elements: a chimeric transcription factor and a reporter gene. They also require the relevant chemical inducer.

Source 1DOI PubMed

What problem it solves

They help avoid harmful effects associated with continuous and ubiquitous expression of foreign genes in plants. They also add temporal control that tissue-specific promoters alone do not provide.

Source 1DOI PubMed

What it does not solve

The abstract does not claim that chemical systems provide the same spatiotemporal, quantitative, and reversible control attributed to optogenetic tools.

Source 1DOI PubMed

Alternatives

The review contrasts these systems with tissue-specific promoters and with optogenetic tools. Tissue-specific promoters help with spatial restriction, while optogenetic tools are presented as overcoming limitations of chemical induction.

Source 1DOI PubMed

Evidence Snippets

In plants, transcriptional regulation is usually driven by chemical agents under the control of chemically-inducible promoters.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1review2022International Journal of Molecular SciencesDOI PubMed

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

Linked Claims

Claim 1comparative advantagesupports2022Source 1DOI PubMed

Optogenetic tools overcome limitations of chemically inducible systems for plant transgene-expression control.

Quoted textsource-backed

Unlike chemical-inducible systems, optogenetic tools enable spatiotemporal, quantitative and reversible control over transgene expression with light, overcoming limitations of chemically-inducible systems.

Claim 2comparative scopesupports2022Source 1DOI PubMed

Tissue-specific promoters can mitigate disadvantages of constitutive foreign gene expression but do not allow precise temporal control of transgene expression.

Quoted textsource-backed

Tissue-specific promoters help to overcome this disadvantage, but do not allow one to precisely control transgene expression over time.

Claim 3design patternsupports2022Source 1DOI PubMed

Plant chemically inducible expression systems are diverse but usually contain a chimeric transcription factor and a reporter gene.

Quoted textsource-backed

These systems are diverse, but usually contain two elements, the chimeric transcription factor and the reporter gene.

Claim 4problem statementsupports2022Source 1DOI PubMed

Continuous and ubiquitous expression of foreign genes can harm plant growth, development, and metabolic activities.

Quoted textsource-backed

Continuous and ubiquitous expression of foreign genes sometimes results in harmful effects on the growth, development and metabolic activities of plants.