Toolkit/experimental pipeline for creating designer Nodal signaling patterns

experimental pipeline for creating designer Nodal signaling patterns

Engineering Method·Research·Since 2024

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

Summary

This tool is an experimental pipeline, together with new optogenetic reagents, for creating designer Nodal signaling patterns in live zebrafish embryos. It uses patterned light to impose synthetic Nodal activation states in vivo and control developmental signaling outputs.

Usefulness & Problems

Why this is useful

The pipeline is useful for experimentally specifying spatiotemporal Nodal signaling patterns in a living vertebrate embryo. Source evidence indicates that these imposed patterns can direct endodermal precursor internalization and can generate synthetic signaling states in Nodal pathway mutants.

Source:

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.

Problem solved

It addresses the problem of how to create defined, designer Nodal signaling patterns in vivo rather than relying only on endogenous embryonic pattern formation. The reported application is control of developmental patterning outputs in live zebrafish embryos, including rescue of defects in Nodal signaling mutants.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete method used to build, optimize, or evolve an engineered system.

Target processes

recombinationsignaling

Input: Light

Implementation Constraints

The implementation involves new optogenetic reagents and an experimental pipeline applied in live zebrafish embryos. The available evidence supports the use of patterned illumination to create synthetic Nodal activation patterns, but it does not provide construct architecture, cofactor requirements, delivery strategy, or expression details.

The supplied evidence does not specify the molecular identity of the optogenetic reagents, the illumination wavelengths, or quantitative performance metrics such as spatial resolution, kinetics, or dynamic range. Validation is described in zebrafish embryos and Nodal-related developmental phenotypes, with no independent replication provided in the supplied evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 2developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 3developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 4developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 5developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 6developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 7developmental controlsupports2024Source 1needs review

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.
Claim 8rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 9rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 10rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 11rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 12rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 13rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 14rescuesupports2024Source 1needs review

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects
Claim 15spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 16spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 17spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 18spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 19spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 20spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 21spatiotemporal controlsupports2024Source 1needs review

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.
parallel light patterned embryos 36 embryos
Claim 22tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 23tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 24tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 25tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 26tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 27tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.
Claim 28tool performancesupports2024Source 1needs review

Improved optoNodal2 reagents eliminate dark activity and improve response kinetics without sacrificing dynamic range.

The improved optoNodal2 reagents eliminate dark activity and improve response kinetics, without sacrificing dynamic range.

Approval Evidence

1 source3 linked approval claimsfirst-pass slug experimental-pipeline-for-creating-designer-nodal-signaling-patterns
we present new optogenetic reagents and an experimental pipeline for creating designer Nodal signaling patterns in live zebrafish embryos

Source:

developmental controlsupports

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Patterned Nodal activation drove precisely controlled internalization of endodermal precursors.

Source:

rescuesupports

Patterned illumination generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

we used patterned illumination to generate synthetic signaling patterns in Nodal signaling mutants, rescuing several characteristic developmental defects

Source:

spatiotemporal controlsupports

An adapted ultra-widefield microscopy platform enabled parallel light patterning in up to 36 embryos and precise spatial control over Nodal signaling activity and downstream gene expression.

We adapted an ultra-widefield microscopy platform for parallel light patterning in up to 36 embryos and demonstrated precise spatial control over Nodal signaling activity and downstream gene expression.

Source:

Comparisons

Source-backed strengths

Reported strengths are functional control over developmental outcomes in vivo: patterned Nodal activation drove precisely controlled internalization of endodermal precursors. Patterned illumination also generated synthetic signaling patterns in Nodal signaling mutants and rescued several characteristic developmental defects.

Ranked Citations

  1. 1.

    Seeded from load plan for claim c4. Extracted from this source document.