Toolkit/optogenetic multiplexing method

optogenetic multiplexing method

Engineering Method·Research·Since 2017

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

Summary

This optogenetic multiplexing method is an engineering approach for programming two simultaneous and independent gene expression signals within the same cell using light. The reported method uses a photoconversion model to compensate for spectral cross-reactivity between two optogenetic sensors.

Usefulness & Problems

Why this is useful

The method is useful for coordinating multiple light-controlled gene expression outputs in a single cell despite overlapping spectral responses of the underlying sensors. The source states that this capability enables new interrogations, but does not provide further application detail in the supplied evidence.

Problem solved

It addresses the problem of significant spectral cross-reactivity between two optogenetic sensors that would otherwise hinder independent control of two gene expression signals in the same cell. The method solves this by using a photoconversion model to compensate for that cross-reactivity.

Problem links

Need precise spatiotemporal control with light input

Derived

This optogenetic multiplexing method is an engineering approach for programming two simultaneous and independent gene expression signals within the same cell using light. The reported method uses a photoconversion model to compensate for significant spectral cross-reactivity between two sensors.

Taxonomy & Function

Primary hierarchy

Technique Branch

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

Techniques

No technique tags yet.

Target processes

No target processes tagged yet.

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: builder

Implementation relies on a photoconversion model and therefore requires model-guided light programming for two optogenetic sensors with overlapping spectral responses. The provided evidence does not specify construct design, cofactors, expression system, or illumination hardware details.

The supplied evidence does not identify the specific sensors, host organism, wavelength ranges, dynamic range, or quantitative performance metrics. Independent replication and breadth of validation are also not established from the provided source excerpt alone.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 2method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 3method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 4method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 5method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 6method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 7method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 8method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 9method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 10method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 11method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 12method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 13method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 14method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 15method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 16method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell
Claim 17method developmentsupports2017Source 1needs review

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell

Approval Evidence

1 source1 linked approval claimfirst-pass slug optogenetic-multiplexing-method
we use the model to compensate for significant spectral cross-reactivity inherent to the two sensors in order to develop a new method for programming two simultaneous and independent gene expression signals within the same cell. Our optogenetic multiplexing method will enable powerful new interrogations

Source:

method developmentsupports

The study develops a method for programming two simultaneous and independent gene expression signals within the same cell.

develop a new method for programming two simultaneous and independent gene expression signals within the same cell

Source:

Comparisons

Source-backed strengths

A key reported strength is the ability to program two simultaneous and independent gene expression signals within one cell. The evidence specifically supports compensation for significant spectral cross-reactivity, which is a central performance advantage for multiplexed optical control.

optogenetic multiplexing method and Method for efficient synthesis of phycocyanobilin in cultured mammalian cells address a similar problem space.

Shared frame: same top-level item type; same primary input modality: light

Strengths here: may avoid an exogenous cofactor requirement.

Compared with optogenetic

optogenetic multiplexing method and optogenetic address a similar problem space.

Shared frame: same top-level item type; same primary input modality: light

optogenetic multiplexing method and reversible optogenetic unmasking-masking of Ct residues address a similar problem space.

Shared frame: same top-level item type; same primary input modality: light

Ranked Citations

  1. 1.
    StructuralSource 1Molecular Systems Biology2017Claim 12Claim 11Claim 11

    Extracted from this source document.