Fluorescent proteins are presented as biocompatible reporter modalities whose emission can respond to metal ions, including reversible quenching by Cu2+.
First-pass extracted concept
fluorescent proteins
Candidate: concept label5 source documents12 linked claims
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Aliases
FPs, GFP family fluorescent proteins
Extracted Explainers
What the tool is doing
Resources required
Use as a Cu2+ biosensor platform requires an FP scaffold and structural understanding of how Cu2+ binds and perturbs fluorescence.
These tools require genetic encoding into the biological system of interest and optical imaging with appropriate fluorescence excitation and detection.
What problem it solves
What it does not solve
The abstract does not show that generic FPs alone already provide optimal Cu2+ sensitivity or selectivity; those properties still require engineering.
The abstract indicates that existing fluorescent proteins still need further improvement, but does not specify all remaining performance gaps.
Evidence Snippets
This work systematically outlines design strategies and functional mechanisms of mainstream CRISPR/Cas fluorescent probes for bioimaging, encompassing five categories: fluorescent proteins, synthetic dyes, smart gated probes, nanomaterials, and multimodal integrated probes.
Fluorescent proteins (FPs), which are widely used in molecular and cell biology, have been suggested as attractive modalities for metal ion detection owing to their biocompatibility and specific responsiveness to metal ions.
Fluorescent proteins (FPs) from the GFP family have become indispensable as marker tools for imaging live cells, tissues and entire organisms.
Here, we review the photophysics of fluorescent probes, both organic fluorophores and fluorescent proteins, used in applications such as particle tracking, single-molecule FRET, stoichiometry determination, and super-resolution imaging.
Current fluorescent protein (FP) development strategies are focused on fine-tuning the photophysical properties of blue to yellow variants... and on the development of monomeric FPs from other organisms...
Supporting Sources
Linked Claims
Mainstream CRISPR/Cas fluorescent probes for bioimaging are described in five categories: fluorescent proteins, synthetic dyes, smart gated probes, nanomaterials, and multimodal integrated probes.
Quoted textsource-backed
This work systematically outlines design strategies and functional mechanisms of mainstream CRISPR/Cas fluorescent probes for bioimaging, encompassing five categories: fluorescent proteins, synthetic dyes, smart gated probes, nanomaterials, and multimodal integrated probes.
Fluorescent proteins are attractive modalities for metal ion detection because of their biocompatibility and specific responsiveness to metal ions.
Developing highly sensitive and selective Cu2+ biosensors based on fluorescent proteins requires understanding Cu2+ binding to fluorescent proteins and engineering guided by structural analysis.
Structural analysis of Cu2+ coordination in fluorescent proteins provides insights for engineering improved sensitivity and selectivity in Cu2+ detection.
Fluorescence emission of fluorescent proteins is efficiently quenched by Cu2+ in a reversible manner, supporting their potential as Cu2+-responsive biosensors.
Crystal structures of fluorescent proteins complexed with Cu2+ reveal both specific and nonspecific Cu2+ binding modes.
GFP-family fluorescent proteins are indispensable genetically encoded marker tools for imaging live cells, tissues, and entire organisms.
Quoted textsource-backed
Fluorescent proteins (FPs) from the GFP family have become indispensable as marker tools for imaging live cells, tissues and entire organisms.
The review covers organic fluorophores and fluorescent proteins used for particle tracking, single-molecule FRET, stoichiometry determination, and super-resolution imaging.
Understanding fluorophore photophysics is critical for the design and interpretation of single-molecule experiments.
Fluorophore photophysical properties place stringent constraints on probe choice for single-molecule fluorescence spectroscopy and super-resolution microscopy.
Near-infrared emitting fluorescent proteins may soon become available.
Fluorescent protein development strategies focus on tuning photophysical properties of Aequorea victoria-derived blue-to-yellow variants and developing monomeric yellow-orange to far-red fluorescent proteins from other organisms.