First-pass extracted concept

rhodopsins

Candidate: concept label3 source documents4 linked claims

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Extracted Explainers

What the tool is doing

Rhodopsins are described as photoreceptive proteins that function as key tools in optogenetics. The review frames them as retinal-binding, photoactive membrane proteins.

Source 3DOI PubMed

Resources required

The abstract states that rhodopsins contain a retinal chromophore as a cofactor and have seven transmembrane α-helices.

Source 3DOI PubMed

What problem it solves

They provide a light-responsive molecular basis for optogenetic control.

Source 3DOI PubMed

What it does not solve

The abstract does not define a single standardized rhodopsin construct or specify engineering details for deployment.

Source 3DOI PubMed

Alternatives

The abstract contrasts animal and microbial rhodopsins as distinct rhodopsin families rather than presenting non-rhodopsin alternatives.

Source 3DOI PubMed

Evidence Snippets

Algae utilize various light-sensitive proteins-including ... retinal-based rhodopsins...

Evidence 1Source 1DOI PubMedprovenance

Algae utilize various light-sensitive proteins-including ... retinal-based rhodopsins ... to sense and integrate both light quality and quantity.

Evidence 2Source 1DOI PubMedprovenance

The Automatic Rhodopsin Modeling ( ARM ) protocol is focused on providing exactly the necessary computational tools to study rhodopsins, those being either natural or resulting from mutations.

Evidence 3Source 2DOIprovenance

Rhodopsins are photoreceptive proteins and key tools in optogenetics.

Evidence 4Source 3DOI PubMedprovenance

Supporting Sources

Source 1review2025Frontiers in Plant ScienceDOI PubMed

2 evidence snippets 2 linked claims Claim 1 Claim 2

Source 2primary paper2022Topics in current chemistry collectionsDOI

1 evidence snippet 0 linked claims

Source 3review2020Biophysical ReviewsDOI PubMed

1 evidence snippet 2 linked claims Claim 1 Claim 2

Linked Claims

Claim 1component diversitysupports2025Source 1DOI PubMed

Algae use multiple photoreceptor classes including phototropins, cryptochromes, aureochromes, BLUF proteins, rhodopsins, phytochromes, neochromes, and UV-B photoreceptors to sense and integrate light quality and quantity.

Claim 2review summarysupports2025Source 1DOI PubMed

Algae use multiple photoreceptor classes including flavin-based receptors, rhodopsins, phytochromes, neochromes, and UV-B photoreceptors to sense and integrate light quality and quantity.

Quoted textsource-backed

Algae utilize various light-sensitive proteins-including flavin-based receptors (phototropins, cryptochromes, aureochromes, BLUF proteins), retinal-based rhodopsins, tetrapyrrole-based phytochromes, hybrid neochromes, and UV-B photoreceptors - to sense and integrate both light quality and quantity.

Claim 3mechanistic classificationsupports2020Source 3DOI PubMed

Animal rhodopsins and microbial rhodopsins differ in chromophore state and functional class, with animal rhodopsins described as GPCRs and microbial rhodopsins as functionally diverse ion-transporting proteins.

Quoted textsource-backed

Animal and microbial rhodopsins respectively possess 11-cis and all-trans retinal, respectively... While animal rhodopsins are G protein coupled receptors, the function of microbial rhodopsins is highly divergent. Many of the microbial rhodopsins are able to transport ions in a passive or an active manner.

Claim 4review scope statementsupports2020Source 3DOI PubMed

Rhodopsins are key tools in optogenetics.

Quoted textsource-backed

Rhodopsins are photoreceptive proteins and key tools in optogenetics.