Source 1primary paper2022ACS Synthetic Biology
Toolkit/bacteriophytochrome (BphP) photoreceptors
bacteriophytochrome (BphP) photoreceptors
Also known as: BphP photoreceptors, BphPs
Taxonomy: Mechanism Branch / Component. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
Bacteriophytochrome (BphP) photoreceptors are biliverdin-binding protein photoreceptors that detect red and far-red light. Upon illumination, they photoconvert between spectroscopically, structurally, and functionally distinct Pr and Pfr states.
Usefulness & Problems
Why this is useful
BphP photoreceptors are useful as red/far-red light-responsive sensory domains because they provide a defined protein-based mechanism for coupling illumination to changes in protein state. The supplied evidence supports their value as biliverdin-dependent photosensors, but does not describe specific downstream applications or performance in engineered systems.
Problem solved
BphP photoreceptors address the need for biological sensing of red and far-red light through a protein domain that changes state upon illumination. The evidence establishes state switching between Pr and Pfr, but does not specify a particular experimental bottleneck or engineered control problem solved in a given context.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Component: A low-level protein part used inside a larger architecture that realizes a mechanism.
Techniques
Structural CharacterizationTarget processes
No target processes tagged yet.
Input: Light
Implementation Constraints
BphP photoreceptors require a biliverdin chromophore for photosensing and respond to red and far-red light. The evidence does not provide construct architecture, expression system, delivery strategy, or illumination parameters beyond the relevant wavelength classes.
The provided evidence is limited to general mechanistic background and does not report kinetics, dynamic range, host compatibility, structural resolution, or application-specific validation. No constraints on expression, chromophore availability, or performance in vivo are directly documented in the supplied material.
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
BphP photoreceptors sense red and far-red light via a biliverdin chromophore and cycle between distinct Pr and Pfr states.
Bacteriophytochrome (BphP) photoreceptors sense red and far-red light via a biliverdin chromophore and, in response, cycle between the spectroscopically, structurally, and functionally distinct Pr and Pfr states.
Approval Evidence
1 source1 linked approval claimfirst-pass slug bacteriophytochrome-bphp-photoreceptors
Bacteriophytochrome (BphP) photoreceptors sense red and far-red light via a biliverdin chromophore and, in response, cycle between the spectroscopically, structurally, and functionally distinct Pr and Pfr states.
Source:
mechanistic backgroundsupports
BphP photoreceptors sense red and far-red light via a biliverdin chromophore and cycle between distinct Pr and Pfr states.
Bacteriophytochrome (BphP) photoreceptors sense red and far-red light via a biliverdin chromophore and, in response, cycle between the spectroscopically, structurally, and functionally distinct Pr and Pfr states.
Source:
Comparisons
Source-backed strengths
The key demonstrated strength is reversible light responsiveness mediated by a biliverdin chromophore, with distinct Pr and Pfr states that differ spectroscopically, structurally, and functionally. This provides multiple measurable and potentially engineerable outputs from a single photosensory module.
Ranked Citations
- 1.
Derived from 1 linked claims. Example evidence: Bacteriophytochrome (BphP) photoreceptors sense red and far-red light via a biliverdin chromophore and, in response, cycle between the spectroscopically, structurally, and functionally distinct Pr and Pfr states.