Toolkit/BcLOV4-ARHGEF11 optogenetic fusion

BcLOV4-ARHGEF11 optogenetic fusion

Multi-Component Switch·Research·Since 2021

Also known as: ARHGEF11 fused to BcLOV4

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

Summary

BcLOV4-ARHGEF11 is a single-transgene optogenetic fusion in which the upstream RhoA activator ARHGEF11 is fused to BcLOV4. It enables light-inducible, spatiotemporally precise control of RhoA signaling through dynamic membrane localization without requiring a separate protein binding partner.

Usefulness & Problems

Why this is useful

This tool is useful for perturbing RhoA pathway activity with spatial and temporal precision using a single genetic construct. The cited study indicates that it supports control of signaling and associated cytoskeletal morphology changes while avoiding the need for an additional binding partner for membrane recruitment.

Source:

permit spatiotemporally precise control over RhoA signaling

Source:

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Problem solved

It addresses the problem of achieving inducible RhoA signaling control with dynamic membrane localization using a simpler single-transgene architecture. The source specifically frames these tools as avoiding dependence on separate protein binding partners while permitting precise optical control.

Problem links

Need conditional control of signaling activity

Derived

BcLOV4-ARHGEF11 optogenetic fusion is a single-transgene light-responsive construct in which the upstream RhoA activator ARHGEF11 is fused to BcLOV4. It enables inducible, spatiotemporally precise control of RhoA signaling through dynamic membrane localization without requiring a separate protein binding partner.

Need inducible protein relocalization or recruitment

Derived

BcLOV4-ARHGEF11 optogenetic fusion is a single-transgene light-responsive construct in which the upstream RhoA activator ARHGEF11 is fused to BcLOV4. It enables inducible, spatiotemporally precise control of RhoA signaling through dynamic membrane localization without requiring a separate protein binding partner.

Need precise spatiotemporal control with light input

Derived

BcLOV4-ARHGEF11 optogenetic fusion is a single-transgene light-responsive construct in which the upstream RhoA activator ARHGEF11 is fused to BcLOV4. It enables inducible, spatiotemporally precise control of RhoA signaling through dynamic membrane localization without requiring a separate protein binding partner.

Need tighter control over gene expression timing or amplitude

Derived

BcLOV4-ARHGEF11 optogenetic fusion is a single-transgene light-responsive construct in which the upstream RhoA activator ARHGEF11 is fused to BcLOV4. It enables inducible, spatiotemporally precise control of RhoA signaling through dynamic membrane localization without requiring a separate protein binding partner.

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

localizationsignalingtranscription

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: regulatorswitch architecture: multi componentswitch architecture: recruitment

The construct design consists of ARHGEF11 fused to BcLOV4 as a single transgene. The supplied evidence supports light-responsive dynamic membrane localization, but it does not provide further practical details such as linker design, expression system, cofactor requirements, or delivery modality.

The reported response is context dependent, because induced cytoskeletal morphology changes depend on how patterned stimulation aligns with pre-existing cell polarization. The provided evidence does not specify quantitative performance, illumination wavelength, kinetics, or validation across multiple model systems.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 2capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 3capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 4capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 5capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 6capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 7capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 8capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 9capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 10capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 11capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 12capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 13capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 14capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 15capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 16capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 17capabilitysupports2021Source 1needs review

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling
Claim 18context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 19context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 20context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 21context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 22context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 23context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 24context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 25context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 26context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 27context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 28context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 29context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 30context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 31context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 32context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 33context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 34context dependencesupports2021Source 1needs review

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.
Claim 35design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 36design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 37design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 38design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 39design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 40design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 41design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 42design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 43design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 44design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 45design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 46design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 47design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 48design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 49design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 50design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 51design propertysupports2021Source 1needs review

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization
Claim 52downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 53downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 54downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 55downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 56downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 57downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 58downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 59downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 60downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 61downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 62downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 63downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 64downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 65downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 66downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 67downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 68downstream signalingsupports2021Source 1needs review

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.
time to YAP nuclear localization within minutes
Claim 69functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 70functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 71functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 72functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 73functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 74functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 75functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 76functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 77functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 78functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 79functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 80functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 81functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 82functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 83functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 84functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 85functional effectsupports2021Source 1needs review

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.
light pulse requirement 1 pulse
Claim 86mechanismsupports2021Source 1needs review

BcLOV4 can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet.

BcLOV4, a photoreceptor that can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet
Claim 87mechanismsupports2021Source 1needs review

BcLOV4 can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet.

BcLOV4, a photoreceptor that can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet
Claim 88mechanismsupports2021Source 1needs review

BcLOV4 can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet.

BcLOV4, a photoreceptor that can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet
Claim 89mechanismsupports2021Source 1needs review

BcLOV4 can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet.

BcLOV4, a photoreceptor that can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet
Claim 90mechanismsupports2021Source 1needs review

BcLOV4 can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet.

BcLOV4, a photoreceptor that can be dynamically recruited to the plasma membrane by a light-regulated protein-lipid electrostatic interaction with the inner leaflet

Approval Evidence

1 source5 linked approval claimsfirst-pass slug bclov4-arhgef11-optogenetic-fusion
RhoA GTPase, or its upstream activator ARHGEF11, is fused to BcLOV4

Source:

capabilitysupports

These single-transgene tools permit spatiotemporally precise control over RhoA signaling.

permit spatiotemporally precise control over RhoA signaling

Source:

context dependencesupports

Induced cytoskeletal morphology changes depend on the alignment of spatially patterned stimulation with the underlying cell polarization.

Induced cytoskeletal morphology changes are dependent on the alignment of the spatially patterned stimulation with the underlying cell polarization.

Source:

design propertysupports

These optogenetic tools are single-transgene tools that do not require protein binding partners for dynamic membrane localization.

These single-transgene tools do not require protein binding partners for dynamic membrane localization

Source:

downstream signalingsupports

RhoA-mediated cytoskeletal activation drives YAP nuclear localization within minutes and consequent mechanotransduction verified by YAP-TEAD transcriptional activity.

RhoA-mediated cytoskeletal activation drives yes-associated protein (YAP) nuclear localization within minutes and consequent mechanotransduction verified by YAP-transcriptional enhanced associate domain transcriptional activity.

Source:

functional effectsupports

Direct membrane recruitment of BcLOV4-RhoA or BcLOV4-ARHGEF11 induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Direct membrane recruitment of these proteins induces potent contractile signaling sufficient to separate adherens junctions with as little as one pulse of blue light.

Source:

Comparisons

Source-backed strengths

Reported strengths are single-component design, spatiotemporal precision, and dynamic membrane localization. The literature also indicates that induced cytoskeletal morphology changes can be spatially patterned, although their outcome depends on alignment with the cell’s underlying polarization.

Compared with Cry2

BcLOV4-ARHGEF11 optogenetic fusion and Cry2 address a similar problem space because they share localization, signaling, transcription.

Shared frame: same top-level item type; shared target processes: localization, signaling, transcription; shared mechanisms: heterodimerization, membrane recruitment, membrane_recruitment; same primary input modality: light

Strengths here: may avoid an exogenous cofactor requirement.

Relative tradeoffs: appears more independently replicated.

Compared with iLID/SspB

BcLOV4-ARHGEF11 optogenetic fusion and iLID/SspB address a similar problem space because they share localization, signaling, transcription.

Shared frame: same top-level item type; shared target processes: localization, signaling, transcription; shared mechanisms: heterodimerization, membrane recruitment, membrane_recruitment; same primary input modality: light

Relative tradeoffs: appears more independently replicated; looks easier to implement in practice.

Compared with LOVpep/ePDZb

BcLOV4-ARHGEF11 optogenetic fusion and LOVpep/ePDZb address a similar problem space because they share localization, signaling, transcription.

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

Relative tradeoffs: appears more independently replicated; looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Advanced Biology2021Claim 16Claim 2Claim 3

    Extracted from this source document.