Toolkit/mathematical model

mathematical model

Computational Method·Research·Since 2016

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

Summary

This mathematical model is a computational method used to quantitatively analyze the kinetics of blue light-inducible and blue light-repressible gene expression in an EL222-based bidirectional promoter system in Escherichia coli. It describes expression dynamics under optical input in the context of a rapidly reversible bacterial optogenetic transcription system.

Usefulness & Problems

Why this is useful

The model is useful for quantitatively characterizing how blue-light input shapes transcriptional output in an EL222-based bidirectional promoter system. The associated study also showed that gene expression levels in this system can be precisely controlled by modulating blue-light pulse dosage or intensity, indicating the model supports analysis of tunable optical control.

Source:

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal

Problem solved

It addresses the problem of quantitatively describing the kinetics of both light-induced and light-repressed gene expression in a single bacterial optogenetic system. This is relevant to systems where blue light is used as a timing signal, including synchronization of receiver cells performing different logic behaviors over time.

Source:

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete computational method used to design, rank, or analyze an engineered system.

Target processes

No target processes tagged yet.

Input: Light

Implementation Constraints

The model was used in the context of an EL222-based bidirectional promoter system engineered in Escherichia coli and driven by blue-light input. The supplied evidence does not specify software, parameterization strategy, training data requirements, or how the model should be implemented computationally.

The available evidence only states that the model was used for quantitative kinetic analysis, without providing its equations, parameters, predictive accuracy, or scope beyond the reported EL222 system in E. coli. No independent replication or validation across other organisms, optogenetic modules, or experimental contexts is described in the supplied evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 2application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 3application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 4application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 5application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 6application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 7application demosupports2016Source 1needs review

The system was applied to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal.

We further apply the system, for the first time, to optogenetically synchronize two receiver cells performing different logic behaviors over time using blue light as a molecular clock signal
Claim 8control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 9control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 10control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 11control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 12control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 13control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 14control propertysupports2016Source 1needs review

Gene expression level in the system can be precisely controlled by modulating blue-light pulse dosage or intensity.

by modulating the dosage of light pulses or intensity we could control the level of gene expression precisely
Claim 15engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 16engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 17engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 18engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 19engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 20engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 21engineering resultsupports2016Source 1needs review

The authors engineered a novel EL222-based bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly by blue light.

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222
Claim 22modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 23modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 24modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 25modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 26modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 27modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 28modeling analysissupports2016Source 1needs review

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model
Claim 29parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 30parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 31parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 32parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 33parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 34parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light
Claim 35parallel functionsupports2016Source 1needs review

The light-inducible and light-repressible systems can function in parallel with high spatial precision in a single cell and can be switched stably between ON and OFF states by repetitive blue-light pulses.

both light-inducible and repressible system can function in parallel with high spatial precision in a single cell and can be switched stably between ON- and OFF-states by repetitive pulses of blue light

Approval Evidence

1 source1 linked approval claimfirst-pass slug mathematical-model
the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model

Source:

modeling analysissupports

The kinetics of light-inducible and repressible expression were quantitatively analyzed using a mathematical model.

the light-inducible and repressible expression kinetics were quantitatively analysed using a mathematical model

Source:

Comparisons

Source-backed strengths

A key strength is that it was applied to quantitatively analyze both inducible and repressible expression kinetics in the same EL222-based bidirectional promoter framework. The underlying biological system was reported to respond rapidly and reversibly to blue light, and its expression level could be precisely controlled by pulse dosage or intensity.

Source:

we have engineered a novel bidirectional promoter system for Escherichia coli that can be induced or repressed rapidly and reversibly using the blue light dependent DNA-binding protein EL222

Ranked Citations

  1. 1.
    StructuralSource 1Nucleic Acids Research2016Claim 1Claim 2Claim 3

    Extracted from this source document.