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Ultraviolet light illuminates species-specific biofluorescent casque patterns in cassowaries (Casuarius)

Todd L Green1, Akinobu Watanabe2,3,4, Jonathan M Berman5

  • 1Department of Biological and Anatomical Sciences, New York Institute of Technology College of Osteopathic Medicine at Arkansas State University, Wilson Hall, 2405 Aggie Road, Jonesboro, NY, 72401, USA. tgreen09@nyit.edu.

Scientific Reports
|February 24, 2026
PubMed
Summary

No abstract available in PubMed .

Keywords:
AvesConservationCranial ornamentationMorphological variationPalaeognathaeTheropodaUltraviolet fluorescence

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Channel Rhodopsins01:11

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Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...