Toolkit/TULIPs

TULIPs

Multi-Component Switch·Research·Since 2014

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

Summary

TULIPs is an optical dimerizer system benchmarked as a multi-component light-controlled switch for regulating protein interactions in yeast. In the cited comparison, it produced a transcriptional response similar to CRY2/CIB1 and was evaluated in assays relevant to transcription and MAPK signaling control.

Usefulness & Problems

Why this is useful

TULIPs is useful as a light-controlled protein interaction switch for modulating cellular processes such as transcription and signaling in yeast. Its inclusion in a systematic benchmark against CRY2/CIB1, phyB/PIF3, and phyB/PIF6 provides comparative performance context for selecting optical dimerizers.

Source:

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions

Problem solved

TULIPs helps address the need for reversible optical control of protein interactions in living cells. The cited work specifically places it in the context of regulating yeast transcriptional outputs and MAPK signaling with light.

Source:

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions

Problem links

Need conditional control of signaling activity

Derived

TULIPs is an optical dimerizer system benchmarked as a multi-component light-controlled switch for regulating protein interactions in yeast. In the cited comparison, it produced a transcriptional response similar to CRY2/CIB1 and was evaluated for control of signaling and transcription.

Need tighter control over gene expression timing or amplitude

Derived

TULIPs is an optical dimerizer system benchmarked as a multi-component light-controlled switch for regulating protein interactions in yeast. In the cited comparison, it produced a transcriptional response similar to CRY2/CIB1 and was evaluated for control of signaling and transcription.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

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

Target processes

signalingtranscription

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenoperating role: regulatorswitch architecture: multi componentswitch architecture: recruitment

The available evidence supports use of TULIPs in yeast and evaluation in transcriptional and MAPK signaling assays. The supplied material does not specify construct architecture, chromophore requirements, wavelengths, or delivery details for this system.

The supplied evidence does not provide molecular composition, illumination parameters, kinetics, or fold-activation values for TULIPs. In regulation of a yeast MAPK signaling pathway, CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system, indicating somewhat higher dark-state activity for TULIPs in that assay.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 2application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 3application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 4application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 5application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 6application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 7application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 8application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 9application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 10application demosupports2014Source 1needs review

CRY2/CIB dimerizers were successfully applied using a membrane-tethered CRY2 configuration, which may allow better local control of protein interactions.

we demonstrate successful application of the CRY2/CIB dimerizers using a membrane-tethered CRY2, which may allow for better local control of protein interactions
Claim 11background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 12background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 13background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 14background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 15background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 16background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 17background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 18background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 19background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 20background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 21background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 22background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 23background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 24background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 25background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 26background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 27background activity comparisonsupports2014Source 1needs review

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB
Claim 28benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 29benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 30benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 31benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 32benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 33benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 34benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 35benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 36benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 37benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 38benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 39benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 40benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 41benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 42benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 43benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 44benchmark resultsupports2014Source 1needs review

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems
Claim 45benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 46benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 47benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 48benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 49benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 50benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 51benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 52benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 53benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 54benchmark resultsupports2014Source 1needs review

The red-light-regulated systems phyB/PIF3 and phyB/PIF6 showed significant differences in light sensitivity and fold-activation levels in a yeast transcriptional assay.

Using a yeast transcriptional assay, we find significant differences in light sensitivity and fold-activation levels between the red light regulated systems
Claim 55pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 56pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 57pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 58pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 59pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 60pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 61pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 62pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 63pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 64pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 65pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 66pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 67pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 68pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 69pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 70pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses
Claim 71pathway regulation comparisonsupports2014Source 1needs review

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses

Approval Evidence

2 sources3 linked approval claimsfirst-pass slug tulips
The supplied web research summary identifies TULIPs as a tunable LOV-based interaction tag system explicitly cited by the review.

Source:

Here, we set about to systematically benchmark the properties of four optical dimerizer systems, CRY2/CIB1, TULIPs, phyB/PIF3, and phyB/PIF6.

Source:

background activity comparisonsupports

CRY2/CIB1 showed slightly less background activity in the dark than the TULIP system during regulation of a yeast MAPK signaling pathway.

with slightly less background activity in the dark observed with CRY2/CIB

Source:

benchmark resultsupports

CRY2/CIB1 and TULIPs showed similar responses in a yeast transcriptional assay.

but similar responses between the CRY2/CIB and TULIP systems

Source:

pathway regulation comparisonsupports

CRY2/CIB1 and TULIP systems showed similar responses when used to regulate a yeast MAPK signaling pathway.

Further comparison of the ability of the CRY2/CIB1 and TULIP systems to regulate a yeast MAPK signaling pathway also showed similar responses

Source:

Comparisons

Source-backed strengths

In a yeast transcriptional assay, TULIPs showed a response similar to CRY2/CIB1. It was also sufficiently functional to be benchmarked alongside multiple established optical dimerizer systems in a systematic comparison.

TULIPs and BcLOV4-RhoA optogenetic fusion address a similar problem space because they share signaling, transcription.

Shared frame: same top-level item type; shared target processes: signaling, transcription; shared mechanisms: heterodimerization

Strengths here: looks easier to implement in practice.

Compared with Cry2

TULIPs and Cry2 address a similar problem space because they share signaling, transcription.

Shared frame: same top-level item type; shared target processes: signaling, transcription; shared mechanisms: heterodimerization

Strengths here: looks easier to implement in practice; may avoid an exogenous cofactor requirement.

Relative tradeoffs: appears more independently replicated.

Compared with LOVpep/ePDZb

TULIPs and LOVpep/ePDZb address a similar problem space because they share signaling, transcription.

Shared frame: same top-level item type; shared target processes: signaling, transcription; shared mechanisms: heterodimerization

Relative tradeoffs: appears more independently replicated.

Ranked Citations

  1. 1.
    StructuralSource 1ACS Synthetic Biology2014Claim 5Claim 5Claim 5

    Extracted from this source document.

  2. 2.
    StructuralSource 2Photochemical & Photobiological Sciences2015

    Extracted from this source document.