Toolkit/genetically encodable, light activatable heterodimerizer system

genetically encodable, light activatable heterodimerizer system

Multi-Component Switch·Research·Since 2020

Also known as: light activatable heterodimerizer system

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

Summary

The genetically encodable, light activatable heterodimerizer system is an optogenetic multi-component switch that places a protein cargo within a genetically encoded, light-responsive heterodimerization framework. In the cited application, incorporation of cofilin enabled illumination-dependent remodeling of the F-actin network and consequent changes in cell motility.

Usefulness & Problems

Why this is useful

This system is useful for coupling light input to inducible protein association in living cells through a genetically encodable design. The cited use case indicates utility for optically controlling actin cytoskeletal organization and motility-related behavior.

Source:

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

Problem solved

It addresses the problem of controlling intracellular effector function with light using a genetically encoded heterodimerization strategy. In the reported example, it enabled light-triggered control over cofilin-associated F-actin network changes linked to cell motility.

Problem links

Need precise spatiotemporal control with light input

Derived

The genetically encodable, light activatable heterodimerizer system is an optogenetic multi-component switch that uses light to induce heterodimerization. In the cited application, cofilin placed within this framework produced dramatic changes in the F-actin network and consequent cell motility upon illumination.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

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: multi component delivery burdenimplementation constraint: spectral hardware requirementoperating role: actuatorswitch architecture: multi componentswitch architecture: recruitment

The system is described as genetically encodable and based on a light-activatable heterodimerizer framework, implying expression of multiple engineered components. Beyond the fact that cofilin was placed within this framework, the supplied evidence does not specify construct architecture, cofactors, delivery method, or expression context.

The provided evidence does not identify the specific photoreceptor pair, wavelengths, kinetics, reversibility, dynamic range, or host system used. Validation is limited here to a single described application involving cofilin, F-actin remodeling, and motility.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 2functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 3functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 4functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 5functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 6functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 7functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 8functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 9functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 10functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 11functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 12functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 13functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 14functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 15functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 16functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.
Claim 17functional effectsupports2020Source 1needs review

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

Approval Evidence

1 source1 linked approval claimfirst-pass slug genetically-encodable-light-activatable-heterodimerizer-system
placed within the framework of a genetically encodable, light activatable heterodimerizer system

Source:

functional effectsupports

Cofilin placed within a genetically encodable light-activatable heterodimerizer system induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

We describe herein an actin-remodelling protein cofilin that, when placed within the framework of a genetically encodable, light activatable heterodimerizer system, induces dramatic changes in the F-actin network and consequent cell motility upon illumination.

Source:

Comparisons

Source-backed strengths

The available evidence supports that illumination can produce dramatic changes in the F-actin network and consequent cell motility when cofilin is deployed in this system. Its genetically encodable format also supports implementation as an intracellular optogenetic control module.

Compared with LightOn system

genetically encodable, light activatable heterodimerizer system and LightOn system address a similar problem space.

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

genetically encodable, light activatable heterodimerizer system and photo-activatable Akt probe address a similar problem space.

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

genetically encodable, light activatable heterodimerizer system and tandem-dimer nano (tdnano) address a similar problem space.

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

Ranked Citations

  1. 1.
    StructuralSource 1UNC Libraries2020Claim 12Claim 11Claim 11

    Extracted from this source document.