Toolkit/PhyB/PIF

PhyB/PIF

Multi-Component Switch·phytochrome·Research·Since 2020

Also known as: genetically encoded PhyB-PIF LID system, phyB, PhyB, phyB mutants, PhyB-PIF, PhyB/PIF, PHYB/PIF, PHYB/PIF6 system, PhyB-PIF LID system, phytochrome B / phytochrome-interacting factor, phytochrome B system, PIF, PIFs

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

Summary

PhyB/PIF is a genetically encoded red/far-red light-inducible dimerization system built from phytochrome B and phytochrome-interacting factor. It enables reversible light-controlled protein association and dissociation on the second time scale and has been applied to gene regulation, protein transport, and subcellular recruitment.

Usefulness & Problems

Why this is useful

This system provides optical control over protein interactions using red and far-red light, a wavelength pair specifically noted for PhyB/PIF among available light-inducible dimerization systems. Reported applications include regulation of gene expression, transport of proteins into organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

Source:

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.

Source:

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.

Source:

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.

Source:

has a unique property of controlling both association and dissociation by light on the second time scale

Problem solved

PhyB/PIF addresses the need for reversible, temporally controlled manipulation of intracellular protein association states. The cited literature and extraction notes indicate that it is used to control signaling-related interactions, localization, and gene regulation with light.

Source:

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.

Source:

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.

Source:

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.

Source:

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.

Published Workflows

Objective: Deploy optogenetic photo-actuators in vivo to modulate intracellular signalling and transcription for studying neuronal plasticity.

light-responsive modulation of intracellular signallinglight-responsive modulation of transcriptionoptogenetic engineeringin vivo expressionlight stimulation

Stages

  1. 1.
    In vivo expression of photo-actuators(functional_characterization)

    The abstract explicitly notes that successful in vivo expression is a required process before systems-level use.

    Selection: successful expression of photo-actuators in vivo

  2. 2.
    In vivo stimulation of photo-actuators(confirmatory_validation)

    The abstract states that stimulation is a required process for successful in vivo use after expression.

    Selection: successful stimulation of expressed photo-actuators in vivo

  3. 3.
    Systems-level application to neuronal plasticity(in_vivo_validation)

    The abstract frames neuronal plasticity understanding as the downstream application after successful in vivo expression and stimulation.

    Selection: use of successfully deployed optogenetic tools to study neuronal plasticity at the systems level

Objective: Adapt and optimize a reversible red/far-red optogenetic heterodimerization system for subcellular protein localization control in a live vertebrate embryo and demonstrate biological use in vivo.

Why it works: The source summary states that optimization of the PHYB/PIF6 system in zebrafish embryos enabled rapid, reversible subcellular protein recruitment, and the paper then demonstrated manipulation of Pard3 in vivo.

light-controlled PHYB/PIF6 heterodimerizationsubcellular protein recruitmentoptogenetic system optimizationin vivo embryo implementation

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

localizationsignaling

Input: Light

Output: Signaling

Implementation Constraints

The system requires expression of PhyB and PIF components together with a bilin chromophore, specifically phytochromobilin or phycocyanobilin according to the extraction notes. In the cited context, chromophore support in mammalian cells was provided through synPCB and inducible vector delivery.

The supplied evidence indicates that the system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin. The extraction notes also state that chromophore availability remains a barrier in non-plant and non-cyanobacterial cells unless additional biosynthetic support is provided.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Observations

successMammalian Cell Lineapplication demo

Inferred from claim c3 during normalization. The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system. Derived from claim c3. Quoted text: successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system

Source:

Supporting Sources

Ranked Claims

Claim 1application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 2application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 3application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 4application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 5application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 6application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 7application examplessupports2021Source 13needs review

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.
Claim 8application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 9application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 10application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 11application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 12application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 13application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 14application potentialsupports2021Source 2needs review

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.
Claim 15application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 16application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 17application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 18application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 19application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 20application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 21application prevalencesupports2021Source 13needs review

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.
Claim 22clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 23clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 24clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 25clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 26clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 27clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 28clinical translation constraintmixed2021Source 2needs review

Clinical application of optogenetic gene regulation is limited by unanswered questions including exogenous chromophore use and gentle but effective transfection methods for in vivo applications.

Among the many unanswered questions concerning the application of optogenetics, we discuss items such as the use of exogenous chromophores and their effects on the biology of the cells and methods for a gentle, but effective gene transfection method for optogenetic tools for in vivo applications.
Claim 29comparative advantagesupports2021Source 13needs review

Phytochromes have an intrinsic advantage over other photoreceptor classes because their bidirectional dual-wavelength control enables instant ON and OFF regulation.

This compilation illustrates the intrinsic advantages of phytochromes compared to other photoreceptor classes, e.g., their bidirectional dual-wavelength control enabling instant ON and OFF regulation.
Claim 30implementation scopesupports2021Source 13needs review

Phytochrome-based optogenetic tools are implemented across bacteria, yeast, plants, and animals to control diverse biological activities.

Phytochrome-based optogenetic tools are currently implemented in bacteria, yeast, plants, and animals to achieve light control of a wide range of biological activities.
Claim 31review scope summarysupports2021Source 13needs review

The review describes engineering of phytochromes to improve them as photoswitches and surveys their use in optogenetic applications.

Based on this knowledge, we then describe the engineering of phytochromes to further improve these chromoproteins as photoswitches and review their employment in an ever-growing number of different optogenetic applications.
Claim 32scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 33scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 34scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 35scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 36scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 37scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 38scope statementsupports2021Source 2needs review

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.
Claim 39spectral advantagesupports2021Source 13needs review

The long-wavelength absorption and fluorescence of phytochromes within the transparent window make them attractive for applications requiring deep tissue penetration or combination with blue and UV light-sensing photoreceptors.

In particular, the long wavelength range of absorption and fluorescence within the "transparent window" makes phytochromes attractive for complex applications requiring deep tissue penetration or dual-wavelength control in combination with blue and UV light-sensing photoreceptors.
Claim 40functional propertysupports2020Source 5needs review

The PhyB-PIF light-inducible dimerization system controls both association and dissociation by light on the second time scale.

has a unique property of controlling both association and dissociation by light on the second time scale
response timescale second time scale
Claim 41inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 42inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 43inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 44inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 45inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 46inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 47inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 48inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 49inducible controlsupports2020Source 5needs review

Drug inducible lentiviral and transposon vectors carrying PhyB-PIF and synPCB enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 50inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 51inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 52inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 53inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 54inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 55inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 56inducible expression capabilitysupports2020Source 5needs review

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment
Claim 57performance improvementsupports2020Source 5needs review

Concatenating the PCB synthesis genes with P2A peptide cDNAs for polycistronic expression resulted in an approximately 4-fold increase in PCB synthesis compared with the previous version.

these genes were concatenated with P2A peptide cDNAs for polycistronic expression, resulting in an approximately 4-fold increase in PCB synthesis compared with the previous version
PCB synthesis increase 4 fold
Claim 58requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 59requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 60requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 61requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 62requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 63requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 64requirementsupports2020Source 5needs review

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)
Claim 65system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 66system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 67system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 68system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 69system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 70system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 71system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 72system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 73system establishmentsupports2020Source 5needs review

The authors established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 74system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 75system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 76system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 77system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 78system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 79system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 80system establishmentsupports2020Source 5needs review

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system
Claim 81tool improvementsupports2020Source 5needs review

The improved synPCB design increased PCB synthesis by approximately 4-fold compared with the previous version.

resulting in an approximately 4-fold increase in PCB synthesis compared with the previous version
PCB synthesis increase versus previous version approximately 4-fold
Claim 82tool improvementsupports2020Source 5needs review

The improved synPCB design increased PCB synthesis by approximately 4-fold compared with the previous version.

resulting in an approximately 4-fold increase in PCB synthesis compared with the previous version
PCB synthesis increase versus previous version approximately 4-fold
Claim 83tool improvementsupports2020Source 5needs review

The improved synPCB design increased PCB synthesis by approximately 4-fold compared with the previous version.

resulting in an approximately 4-fold increase in PCB synthesis compared with the previous version
PCB synthesis increase versus previous version approximately 4-fold
Claim 84applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 85applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 86applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 87applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 88applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 89applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 90applicationsupports2017Source 4needs review

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.
Claim 91performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 92performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 93performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 94performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 95performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 96performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 97performance modulationsupports2017Source 4needs review

Depletion of biliverdin reductase A increases intracellular phycocyanobilin concentration.

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.
Claim 98practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 99practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 100practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 101practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 102practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 103practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 104practical methodsupports2017Source 4needs review

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.
Claim 105tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 106tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 107tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 108tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 109tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 110tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 111tool developmentsupports2017Source 4needs review

An expression vector coexpressing HO1, PcyA, ferredoxin, and ferredoxin-NADP+ reductase enables efficient synthesis of phycocyanobilin in mammalian cell mitochondria.

Here, we report an expression vector that coexpresses HO1 and PcyA with Ferredoxin and Ferredoxin-NADP+ reductase for the efficient synthesis of PCB in the mitochondria of mammalian cells.
Claim 112application demosupports2016Source 12needs review

The paper demonstrates in vivo manipulation of the polarity protein Pard3 using the PHYB/PIF optogenetic localization system.

Claim 113binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 114binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 115binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 116binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 117binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 118binding interactionsupports2016Source 9needs review

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner
Claim 119cofactor requirementsupports2016Source 12needs review

PCB is required for use of the PHYB/PIF system in vertebrate embryos because vertebrate cells do not naturally produce the phytochrome chromophore.

Claim 120colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 121colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 122colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 123colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 124colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 125colocalizationsupports2016Source 9needs review

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.
Claim 126integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 127integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 128integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 129integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 130integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 131integrative functionsupports2016Source 9needs review

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.
Claim 132mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 133mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 134mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 135mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 136mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 137mechanistic rolesupports2016Source 9needs review

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure
Claim 138regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 139regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 140regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 141regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 142regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 143regulatory effectsupports2016Source 9needs review

Manipulating PCH1 alters PIF4 levels and regulates light-responsive gene expression.

Manipulating PCH1 alters PHYTOCHROME INTERACTING FACTOR 4 levels and regulates light-responsive gene expression.
Claim 144tool capabilitysupports2016Source 12needs review

The study describes optimization of the Arabidopsis PHYB/PIF6 red/far-red optogenetic heterodimerization system for live zebrafish embryos to enable rapid, reversible subcellular protein recruitment.

Claim 145mechanism summarysupports2014Source 7needs review

Photoreceptor-based optogenetic tools in this review rely on light-dependent reversible binding to specific interaction partners.

Claim 146biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 147biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 148biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 149biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 150biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 151biological rolesupports2012Source 10needs review

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.
Claim 152mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 153mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 154mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 155mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 156mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 157mechanistic modelsupports2012Source 10needs review

PIF4 and PIF5 regulate elongation growth by directly controlling expression of genes encoding auxin biosynthesis and auxin signaling components.

our study suggests that PIF4 and PIF5 regulate elongation growth by controlling directly the expression of genes that code for auxin biosynthesis and auxin signaling components
Claim 158regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 159regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 160regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 161regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 162regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 163regulatory relationshipsupports2012Source 10needs review

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.
Claim 164genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 165genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 166genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 167genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 168genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 169genetic interactionsupports2007Source 11needs review

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.
Claim 170mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 171mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 172mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 173mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 174mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 175mechanistic modelsupports2007Source 11needs review

Shade avoidance in dense vegetation is triggered at least partially by reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.

Our data suggest that, in dense vegetation, which is rich in far-red light, shade avoidance is triggered, at least partially, as a consequence of reduced phytochrome-mediated degradation of transcription factors such as PIF4 and PIF5.
Claim 176mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 177mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 178mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 179mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 180mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 181mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 182mechanistic requirementsupports2007Source 11needs review

Degradation of PIF4 and PIF5 is preceded by phosphorylation, requires the APB domain, and is sensitive to proteasome inhibitors, suggesting degradation upon interaction with light-activated phyB.

Degradation of these transcription factors is preceded by phosphorylation, requires the APB domain and is sensitive to inhibitors of the proteasome, suggesting that PIF4 and PIF5 are degraded upon interaction with light-activated phyB.
Claim 183developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 184developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 185developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 186developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 187developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 188developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 189developmental phenotype similaritysupports2004Source 1needs review

The developmental morphologies of PIL6-ox, including early flowering, are similar to those of phyB mutants.

The developmental morphologies of PIL6-ox, including the phenotype of early flowering, were also similar to those of phyB mutants.
Claim 190interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 191interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 192interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 193interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 194interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 195interaction dynamicssupports2004Source 3needs review

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with phytochrome species is transient.

Rapid light-induced degradation of PIF3 indicates that interaction of PIF3 with these phytochrome species is transient.
Claim 196multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 197multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 198multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 199multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 200multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 201multi factor controlsupports2004Source 3needs review

Light-induced PIF3 degradation is controlled by the concerted action of phyA, phyB, and phyD photoreceptors.

This process is controlled by the concerted action of the R/FR absorbing phyA, phyB, and phyD photoreceptors
Claim 202phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 203phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 204phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 205phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 206phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 207phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 208phenotype effectsupports2004Source 1needs review

PIL6-ox plants are hyposensitive to red light.

transgenic plants overexpressing PIL6 (PIL6-ox) are hyposensitive to red light under the same conditions
Claim 209phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 210phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 211phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 212phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 213phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 214phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 215phenotype effectsupports2004Source 1needs review

The pil6-1 loss-of-function mutant is hypersensitive to red light in seedling de-etiolation.

the loss-of-function mutant (pil6-1) showed a remarkable phenotype in that it is hypersensitive to red light in seedling de-etiolation
Claim 216phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 217phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 218phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 219phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 220phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 221phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 222phenotype similaritysupports2004Source 1needs review

The red-light hypersensitive phenotype of pil6-1 is similar to that of transgenic lines overexpressing TOC1/APRR1.

This phenotype was similar to that observed for transgenic lines overexpressing TOC1 (or APRR1).
Claim 223phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 224phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 225phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 226phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 227phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 228phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.
Claim 229phenotype similaritysupports2004Source 1needs review

The red-light hyposensitive phenotype of PIL6-ox is very similar to that of phyB mutants.

This phenotype was very similar to that observed for phyB mutants.

Approval Evidence

13 sources26 linked approval claimsfirst-pass slugs phyb, phyb-pif, phyb-pif-light-controlled-interaction-system, phyb-pif-light-inducible-dimerization-system, phyb-pif-optogenetic-system, phyb-pif-system, phytochrome-b
Well-known systems for gene regulation, such as the LOV-, CRY2/CIB-, PhyB/PIF-systems

Source:

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs)

Source:

One of the red/far-red responsive LID system, phytochrome B (PhyB)-phytochrome interacting factor (PIF)

Source:

Among them, the phytochrome B (PhyB)-phytochrome-interacting factor (PIF) system is the only available LID system controlled by red and far-red lights.

Source:

Explicitly supported in the supplied web research summary as a canonical light-induced dimerization pair aligned with the review scope.

Source:

The supplied web research summary identifies PhyB/PIF as a major photoreceptor-based system explicitly aligned with the review's scope in mammalian signaling optogenetics.

Source:

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner, and co-localizes with phyB into photobodies.

Source:

web_research_summary states that the paper describes optimization of the Arabidopsis PHYB/PIF6 red/far-red optogenetic heterodimerization system for live zebrafish embryos, enabling rapid, reversible, subcellular protein recruitment.

Source:

These tools are based on photoreceptors such as phytochrome B (PhyB) ... that reversibly bind to specific interaction partners in a light-dependent manner.

Source:

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.

Source:

light-activated phytochrome B (phyB)

Source:

This phenotype was very similar to that observed for phyB mutants.

Source:

application examplessupports

Applications of phytochrome-based tools include regulation of gene expression, protein transport into cell organelles, and recruitment of tagged proteins to membranes and other cellular compartments.

These cover the regulation of gene expression, protein transport into cell organelles, and the recruitment of phytochrome- or PIF-tagged proteins to membranes and other cellular compartments.

Source:

application potentialsupports

Optogenetic gene regulation may enable spatially and temporally regulated gene and protein expression for cell therapeutic approaches.

Here optogenetic gene regulation might offer an excellent method for spatially and timely regulated gene and protein expression in cell therapeutic approaches.

Source:

application prevalencesupports

Most phytochrome optogenetic applications described in the review rely on the light-controlled interaction between PhyB and PIFs or on C-terminal light-regulated enzymatic domains from bacterial and algal phytochromes.

Most applications rely on the light-controlled complex formation between the plant photoreceptor PhyB and phytochrome-interacting factors (PIFs) or C-terminal light-regulated domains with enzymatic functions present in many bacterial and algal phytochromes.

Source:

scope statementsupports

This review focuses on optogenetic control of gene expression in mammalian cells as models relevant to clinical applications.

This review will be confined to the optogenetic control of gene expression in mammalian cells as suitable models for clinical applications.

Source:

inducible expression capabilitysupports

Incorporation of PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors enabled doxycycline-inducible PCB synthesis and PhyB-PIF light-inducible dimerization system expression or function.

we incorporated PhyB-PIF and synPCB into drug inducible lentiviral and transposon vectors, which enabled us to induce PCB synthesis and PhyB-PIF LID system by doxycycline treatment

Source:

requirementsupports

The PhyB-PIF red/far-red responsive light-inducible dimerization system requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin.

PhyB requires a linear tetrapyrrole chromophore such as phytochromobilin or phycocyanobilin (PCB)

Source:

system establishmentsupports

The authors successfully established a stable cell line containing a genetically encoded PhyB-PIF light-inducible dimerization system.

successfully established a stable cell line containing a genetically encoded PhyB-PIF LID system

Source:

applicationsupports

The PCB synthesis system together with the PhyB-PIF system enables optogenetic regulation of intracellular signaling without external chromophore supply.

The PCB synthesis and PhyB-PIF systems allowed us to optogenetically regulate intracellular signaling without any external supply of chromophores.

Source:

practical methodsupports

This work provides a practical method for a fully genetically encoded PhyB-PIF system.

Thus, we have provided a practical method for developing a fully genetically encoded PhyB-PIF system, which paves the way for its application to a living animal.

Source:

application demosupports

The paper demonstrates in vivo manipulation of the polarity protein Pard3 using the PHYB/PIF optogenetic localization system.

Source:

binding interactionsupports

PCH1 binds phytochrome B in a red light-dependent manner.

PCH1 peaks at dusk, binds phytochrome B (phyB) in a red light-dependent manner

Source:

cofactor requirementsupports

PCB is required for use of the PHYB/PIF system in vertebrate embryos because vertebrate cells do not naturally produce the phytochrome chromophore.

Source:

colocalizationsupports

PCH1 co-localizes with phytochrome B into photobodies.

and co-localizes with phyB into photobodies.

Source:

integrative functionsupports

PCH1 regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB signaling.

Thus, PCH1 is a new factor that regulates photoperiod-responsive growth by integrating the clock with light perception pathways through modulating daily phyB-signaling.

Source:

mechanistic rolesupports

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies and maintain an active phyB pool after light exposure.

PCH1 is necessary and sufficient to promote the biogenesis of large photobodies to maintain an active phyB pool after light exposure

Source:

tool capabilitysupports

The study describes optimization of the Arabidopsis PHYB/PIF6 red/far-red optogenetic heterodimerization system for live zebrafish embryos to enable rapid, reversible subcellular protein recruitment.

Source:

mechanism summarysupports

Photoreceptor-based optogenetic tools in this review rely on light-dependent reversible binding to specific interaction partners.

Source:

biological rolesupports

Phytochrome B is the major light sensor mediating the adaptive shade-avoidance response.

The phytochrome B (phyB) photoreceptor is the major light sensor to mediate this adaptive response.

Source:

regulatory relationshipsupports

Phytochrome B directly controls the protein abundance of PIF4 and PIF5 as part of shade-avoidance syndrome control.

Control of the SAS occurs in part with phyB, which controls protein abundance of phytochrome-interacting factors 4 and 5 (PIF4 and PIF5) directly.

Source:

genetic interactionsupports

The constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Consistent with this idea, the constitutive shade-avoidance phenotype of phyB mutants partially reverts in the absence of PIF4 and PIF5.

Source:

Comparisons

Source-backed strengths

The available evidence states that PhyB/PIF is controlled by red and far-red light and can drive both association and dissociation on the second time scale. It has been used across multiple application classes, including gene expression control, protein transport, and compartment-specific recruitment.

Source:

This compilation illustrates the intrinsic advantages of phytochromes compared to other photoreceptor classes, e.g., their bidirectional dual-wavelength control enabling instant ON and OFF regulation.

Source:

these genes were concatenated with P2A peptide cDNAs for polycistronic expression, resulting in an approximately 4-fold increase in PCB synthesis compared with the previous version

Source:

An even higher intracellular PCB concentration was achieved by the depletion of biliverdin reductase A, which degrades PCB.

Ranked Citations

  1. 1.
    StructuralSource 1Plant and Cell Physiology2004Claim 183Claim 184Claim 185

    Extracted from this source document.

  2. 2.
    StructuralSource 2Biotechnology and Bioengineering2021Claim 8Claim 9Claim 10

    Extracted from this source document. Seeded from load plan for claim cl1.

  3. 3.
    StructuralSource 3The Plant Cell2004Claim 190Claim 191Claim 192

    Extracted from this source document.

  4. 4.
    StructuralSource 4Proceedings of the National Academy of Sciences2017Claim 84Claim 85Claim 86

    Seeded from load plan for claim c4. Extracted from this source document.

  5. 5.

    Extracted from this source document.

  6. 6.
    StructuralSource 6Journal of Experimental Neuroscience2017

    Extracted from this source document.

  7. 7.
    StructuralSource 7Biotechnology Journal2014Claim 145

    Seeded from load plan for claim cl2. Extracted from this source document.

  8. 8.
    StructuralSource 8Biochimica et Biophysica Acta (BBA) - Molecular Cell Research2016

    Extracted from this source document.

  9. 9.

    Extracted from this source document.

  10. 10.
    StructuralSource 10The Plant Journal2012Claim 146Claim 147Claim 148

    Extracted from this source document.

  11. 11.
    StructuralSource 11The Plant Journal2007Claim 164Claim 165Claim 166

    Extracted from this source document.

  12. 12.
    StructuralSource 12Developmental Cell2016Claim 112Claim 119Claim 144

    Seeded from load plan for claim c1. Extracted from this source document.

  13. 13.
    StructuralSource 13Chemical Reviews2021Claim 1Claim 2Claim 3

    Extracted from this source document.