Source 1primary paper2023MED
Toolkit/blue light-inducible LOV domain-based dimerization system
blue light-inducible LOV domain-based dimerization system
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
The blue light-inducible LOV domain-based dimerization system is a light-responsive multi-component switch in which blue light induces dimerization to control intracellular signaling or cytoskeletal events. The cited literature describes this class of systems as providing spatiotemporally precise perturbation of cell behavior.
Usefulness & Problems
Why this is useful
This system is useful for imposing blue light-dependent, spatially and temporally precise control over signaling and cytoskeletal regulation. The cited work also identifies localized GEF recruitment as a robust assay context for studying local network activation-driven changes in 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 or cytoskeletal processes with high spatiotemporal precision. In the cited context, it supports experimental control of local network activation relevant to cell polarity and directed migration.
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 indicates only that the system is blue light inducible and based on LOV domain-mediated dimerization in a multi-component format. The supplied source does not provide construct architecture, cofactor requirements, expression system details, or delivery considerations.
The supplied evidence does not specify the particular LOV pair, kinetic properties, dynamic range, reversibility, or quantitative performance. Independent validation, organismal breadth, and direct comparative data against other optogenetic dimerizers are not provided in the supplied evidence.
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-lov-domain-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
A key reported strength is spatiotemporally precise control of signaling or cytoskeletal events under blue light. The literature further supports utility in localized recruitment assays for probing polarity and migration-related responses.
Ranked Citations
- 1.