Evidence for light perception in a bioluminescent organ.

  title={Evidence for light perception in a bioluminescent organ.},
  author={Deyan Tong and Natalia S Rozas and Todd H. Oakley and Jane Mitchell and Nansi Jo Colley and Margaret McFall-Ngai},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={106 24},
Here we show that bioluminescent organs of the squid Euprymna scolopes possess the molecular, biochemical, and physiological capability for light detection. Transcriptome analyses revealed expression of genes encoding key visual transduction proteins in light-organ tissues, including the same isoform of opsin that occurs in the retina. Electroretinograms demonstrated that the organ responds physiologically to light, and immunocytochemistry experiments localized multiple proteins of visual… CONTINUE READING
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