Source 1primary paper2023MED
Toolkit/blue light-inducible cryptochrome-based dimerization system
blue light-inducible cryptochrome-based dimerization system
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
The blue light-inducible cryptochrome-based dimerization system is a light-responsive multi-component switch that uses blue light to induce protein dimerization. The cited evidence supports its use for spatiotemporally precise control of signaling or cytoskeletal events.
Usefulness & Problems
Why this is useful
This system is useful because blue light can provide spatially and temporally precise control over protein interactions linked to signaling or cytoskeletal regulation. The source literature also places such optogenetic control in the context of localized GEF recruitment assays for probing polarity and directed migration.
Source:
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Problem solved
It helps solve the problem of perturbing signaling-related events with high spatiotemporal precision rather than relying on globally applied inputs. The cited work specifically connects this type of control to local network activation, polarity changes, and directed cell movement.
Published Workflows
Objective: Use optogenetic dimerizers to acutely perturb Ras-, Rac-, or Rho-specific GEF activities in migratory signaling networks and measure resulting changes in cell shape, actin dynamics, polarity, and movement.
Why it works: The workflow uses blue light-inducible dimerization systems to acutely and spatially control GEF recruitment, avoiding the slow adaptation and poor spatial resolution of knockout or overexpression approaches.
acute perturbation of GEF activityglobal membrane recruitment of full-length GEFs or catalytic domainslocalized GEF recruitment to drive local network activationoptogenetic dimerizationblue light inductionlocalized recruitment assay
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.
Mechanisms
HeterodimerizationTechniques
No technique tags yet.
Target processes
signalingInput: Light
Implementation Constraints
The available evidence supports a multi-component, blue light-inducible dimerization design and indicates use in the context of localized recruitment assays. However, the provided material does not detail construct architecture, cofactors, expression systems, illumination parameters, or delivery methods.
The supplied evidence does not specify the exact cryptochrome components, binding partners, kinetics, reversibility, dynamic range, or organismal validation. Independent replication and performance comparisons against other optogenetic dimerizers are not established from the provided source set.
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Localized GEF recruitment is a robust assay system for studying local network activation-driven changes in polarity and directed migration.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Approval Evidence
1 source1 linked approval claimfirst-pass slug blue-light-inducible-cryptochrome-based-dimerization-system
blue light-inducible cryptochrome- and LOV domain-based dimerization systems have been recently developed to control signaling or cytoskeletal events in a spatiotemporally precise manner
Source:
tool capabilitysupports
Blue light-inducible cryptochrome- and LOV domain-based dimerization systems enable spatiotemporally precise control of signaling or cytoskeletal events.
Source:
Comparisons
Source-backed strengths
The main supported strength is spatiotemporally precise control under blue light. The evidence also indicates relevance to controlling signaling or cytoskeletal events in assays involving localized GEF recruitment.
Ranked Citations
- 1.