ArticleProceedings of the National Academy of Sciences of the United States of America2025
Apusomonad rhodopsins: A new family of ultraviolet to blue light-absorbing rhodopsin channels.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Resurrecting Full-Length Ancestral Schizorhodopsins and Heliorhodopsins with Structure-Guided, Indel-Aware Sequence Reconstruction.ACS omega · 2026Article
- Schiff base deprotonation and structural changes in a mouse UV-sensitive cone visual pigment revealed by FTIR spectroscopy at 77 K.Biophysics and physicobiology · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Apusomonads are sediment-dwelling bacterivorous protists that are sister to all Opisthokonta. They have been found to show a negative phototactic response to blue light, mediated by an as-yet unidentified photoreceptive system. Here, by screening available apusomonad omics data we found genes of a distinct group of microbial rhodopsins, apusomonad rhodopsins (ApuRs). ApuRs, heterologously expressed in mammalian cells, absorbed near-UV or violet light, suggesting that ApuRs could be involved in apusomonads' photoavoidance response toward short-wavelength light. Electrophysiological measurements indicate that ApuRs are anion-selective rhodopsin channels which evolved independently of the family of channelrhodopsins widespread in other unicellular eukaryotes. In ApuRs, channel opening is triggered by photoisomerization of the retinal from its all-
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