Toolkit/Rho1-CRY2 fusion construct

Rho1-CRY2 fusion construct

Multi-Component Switch·Research·Since 2016

Also known as: Rho variants fused to CRY2

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

Summary

The Rho1-CRY2 fusion construct is a proposed optogenetic multi-component switch for Drosophila in which a small G protein Rho variant would be fused to CRY2. The intended function is blue-light-dependent recruitment of Rho1-CRY2 to membrane-anchored CIB to control subcellular localization and downstream events, but the available evidence indicates the construct was still being cloned rather than functionally validated.

Usefulness & Problems

Why this is useful

This design is intended to provide spatial and temporal control of protein localization in Drosophila using light. The evidence supports its conceptual utility for recruiting a Rho fusion to membrane-anchored CIB, but does not document successful deployment or biological outcomes.

Problem solved

The construct is meant to address the problem of controlling localization of a Rho-family small G protein with high spatial and temporal precision in Drosophila. The supplied evidence only supports that this was an intended application of adapting the CRY2/CIB system to Drosophila-specific vectors.

Problem links

Need inducible protein relocalization or recruitment

Derived

The Rho1-CRY2 fusion construct is a proposed optogenetic multi-component switch in which a small G protein Rho variant is fused to CRY2 for light-dependent control in Drosophila. The intended design is that blue light would recruit Rho1-CRY2 to membrane-anchored CIB, enabling spatial and temporal control of protein localization and downstream events, but the provided evidence indicates this construct was still at the cloning stage.

Need precise spatiotemporal control with light input

Derived

The Rho1-CRY2 fusion construct is a proposed optogenetic multi-component switch in which a small G protein Rho variant is fused to CRY2 for light-dependent control in Drosophila. The intended design is that blue light would recruit Rho1-CRY2 to membrane-anchored CIB, enabling spatial and temporal control of protein localization and downstream events, but the provided evidence indicates this construct was still at the cloning stage.

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

localization

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: actuatoroperating role: regulatorswitch architecture: multi componentswitch architecture: recruitment

The available evidence indicates that variants of the small G protein Rho were being cloned as fusion proteins with CRY2. The intended implementation also requires membrane-anchored CIB and adaptation of CRY2/CIB constructs into Drosophila-specific vectors; no further construct architecture, expression conditions, or cofactor requirements are described in the supplied evidence.

The main limitation is that the Rho1-CRY2 construct appears to have remained at the cloning stage in the cited evidence. There is no reported demonstration of expression, light-induced membrane recruitment, downstream signaling control, or phenotypic validation for this specific fusion.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1engineering activitysupports2016Source 1needs review

The authors attempted to adapt the CRY2/CIB system to Drosophila using CRY2 and CIB constructs in Drosophila-specific vectors.

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.
Claim 2engineering activitysupports2016Source 1needs review

The authors attempted to adapt the CRY2/CIB system to Drosophila using CRY2 and CIB constructs in Drosophila-specific vectors.

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.
Claim 3engineering activitysupports2016Source 1needs review

The authors attempted to adapt the CRY2/CIB system to Drosophila using CRY2 and CIB constructs in Drosophila-specific vectors.

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.
Claim 4engineering activitysupports2016Source 1needs review

The authors attempted to adapt the CRY2/CIB system to Drosophila using CRY2 and CIB constructs in Drosophila-specific vectors.

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.
Claim 5engineering activitysupports2016Source 1needs review

The authors attempted to adapt the CRY2/CIB system to Drosophila using CRY2 and CIB constructs in Drosophila-specific vectors.

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.
Claim 6intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 7intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 8intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 9intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 10intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 11intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 12intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 13intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 14intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 15intended functionsupports2016Source 1needs review

An oligomerizing version of CRY2 was tested as a tool for negative regulation of targeted proteins in Drosophila.

We tested an oligomerizing version of the CRY2 component as a tool for the negative regulation of targeted proteins in Drosophila.
Claim 16intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 17intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 18intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 19intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 20intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 21intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 22intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 23intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 24intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 25intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 26intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 27intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 28intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 29intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 30intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 31intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 32intended functionneutral2016Source 1needs review

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.
Claim 33negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 34negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 35negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 36negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 37negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 38negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 39negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 40negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 41negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 42negative resultcontradicts2016Source 1needs review

The authors were unable to repeat in Drosophila the clustering results previously observed in yeast for the oligomerizing CRY2 component.

Although we were unable to repeat the clustering results observed in yeast
Claim 43process observationsupports2016Source 1needs review

The light activation protocol was sensitive to inadvertent light stimulation during preparation for imaging.

discovered the sensitivity of the system to inadvertent light stimulation during preparation for imaging
Claim 44process observationsupports2016Source 1needs review

The light activation protocol was sensitive to inadvertent light stimulation during preparation for imaging.

discovered the sensitivity of the system to inadvertent light stimulation during preparation for imaging
Claim 45process observationsupports2016Source 1needs review

The light activation protocol was sensitive to inadvertent light stimulation during preparation for imaging.

discovered the sensitivity of the system to inadvertent light stimulation during preparation for imaging
Claim 46process observationsupports2016Source 1needs review

The light activation protocol was sensitive to inadvertent light stimulation during preparation for imaging.

discovered the sensitivity of the system to inadvertent light stimulation during preparation for imaging
Claim 47process observationsupports2016Source 1needs review

The light activation protocol was sensitive to inadvertent light stimulation during preparation for imaging.

discovered the sensitivity of the system to inadvertent light stimulation during preparation for imaging
Claim 48progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 49progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 50progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 51progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 52progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 53progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 54progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 55progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 56progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 57progress statementsupports2016Source 1needs review

Germline transformants of the CIBN component had been generated, while CRY2 germline transformants were still in progress.

Thus far, germline transformants of the CIBN component have been generated, and work will continue to generate the CRY2 germline transformants.
Claim 58property statementsupports2016Source 1needs review

Blue light stimuli can selectively initiate protein-protein interactions in genetically encoded light-sensitive protein systems.

using blue light stimuli to selectively initiate protein-protein interactions
Claim 59property statementsupports2016Source 1needs review

Blue light stimuli can selectively initiate protein-protein interactions in genetically encoded light-sensitive protein systems.

using blue light stimuli to selectively initiate protein-protein interactions
Claim 60property statementsupports2016Source 1needs review

Blue light stimuli can selectively initiate protein-protein interactions in genetically encoded light-sensitive protein systems.

using blue light stimuli to selectively initiate protein-protein interactions
Claim 61property statementsupports2016Source 1needs review

Blue light stimuli can selectively initiate protein-protein interactions in genetically encoded light-sensitive protein systems.

using blue light stimuli to selectively initiate protein-protein interactions
Claim 62property statementsupports2016Source 1needs review

Blue light stimuli can selectively initiate protein-protein interactions in genetically encoded light-sensitive protein systems.

using blue light stimuli to selectively initiate protein-protein interactions
Claim 63property statementsupports2016Source 1needs review

The CRY2/CIB module offers a genetically encoded mechanism to study protein roles in a tissue-specific manner during development.

the CRY2/CIB module, offers a powerful genetically encoded mechanism by which to study the role of proteins in a tissue-specific manner during various stages of development
Claim 64property statementsupports2016Source 1needs review

The CRY2/CIB module offers a genetically encoded mechanism to study protein roles in a tissue-specific manner during development.

the CRY2/CIB module, offers a powerful genetically encoded mechanism by which to study the role of proteins in a tissue-specific manner during various stages of development
Claim 65property statementsupports2016Source 1needs review

The CRY2/CIB module offers a genetically encoded mechanism to study protein roles in a tissue-specific manner during development.

the CRY2/CIB module, offers a powerful genetically encoded mechanism by which to study the role of proteins in a tissue-specific manner during various stages of development
Claim 66property statementsupports2016Source 1needs review

The CRY2/CIB module offers a genetically encoded mechanism to study protein roles in a tissue-specific manner during development.

the CRY2/CIB module, offers a powerful genetically encoded mechanism by which to study the role of proteins in a tissue-specific manner during various stages of development
Claim 67property statementsupports2016Source 1needs review

The CRY2/CIB module offers a genetically encoded mechanism to study protein roles in a tissue-specific manner during development.

the CRY2/CIB module, offers a powerful genetically encoded mechanism by which to study the role of proteins in a tissue-specific manner during various stages of development

Approval Evidence

1 source1 linked approval claimfirst-pass slug rho1-cry2-fusion-construct
working on cloning variants of the small G protein Rho to form a fusion protein with the CRY2 component

Source:

intended functionneutral

If Rho1 is successfully fused to CRY2, blue light could spatially and temporally control recruitment of CRY2 to membrane-anchored CIB and thereby affect downstream events.

If Drosophila Rho1 proteins are successfully adapted to CRY2 components, upon blue light stimulation the recruitment of CRY2 to a CIB component anchored in the membrane could be spatially and temporally controlled to affect subsequent downstream events.

Source:

Comparisons

Source-backed strengths

A key proposed strength is the use of blue light to drive reversible, spatially restricted recruitment through the established CRY2/CIB interaction framework. Another supported advantage is that the broader CRY2/CIB system was being adapted into Drosophila-specific vectors, which is relevant for organism-compatible implementation, but no performance data are provided for the Rho1 fusion itself.

Source:

Using cloning techniques to generate CRY2 and CIB constructs in Drosophila specific vectors, we have attempted to adapt the CRY2/CIB system to Drosophila.

Rho1-CRY2 fusion construct and blue light-activated PKC isozyme recruitment system address a similar problem space because they share localization.

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

Rho1-CRY2 fusion construct and CRY2-talin/CIBN-CAAX optogenetic plasma membrane recruitment system address a similar problem space because they share localization.

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

Compared with iLID-antiGFP-nanobody

Rho1-CRY2 fusion construct and iLID-antiGFP-nanobody address a similar problem space because they share localization.

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

Ranked Citations

  1. 1.
    StructuralSource 1DukeSpace (Duke University)2016Claim 5Claim 5Claim 5

    Extracted from this source document.