Extraordinary diversity of visual opsin genes in dragonflies.

  title={Extraordinary diversity of visual opsin genes in dragonflies.},
  author={Ryo Futahashi and Ryouka Kawahara-Miki and Michiyo Kinoshita and Kazutoshi Yoshitake and Shunsuke Yajima and Kentaro Arikawa and Takema Fukatsu},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={112 11},
Dragonflies are colorful and large-eyed animals strongly dependent on color vision. Here we report an extraordinary large number of opsin genes in dragonflies and their characteristic spatiotemporal expression patterns. Exhaustive transcriptomic and genomic surveys of three dragonflies of the family Libellulidae consistently identified 20 opsin genes, consisting of 4 nonvisual opsin genes and 16 visual opsin genes of 1 UV, 5 short-wavelength (SW), and 10 long-wavelength (LW) type. Comprehensive… CONTINUE READING
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A revisional study of Japanese dragonflies based on DNA analysis

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