Connecting the Navigational Clock to Sun Compass Input in Monarch Butterfly Brain

  title={Connecting the Navigational Clock to Sun Compass Input in Monarch Butterfly Brain},
  author={I. {\vS}auman and A. Briscoe and Haisun Zhu and D. Shi and O. Froy and Julia Stalleicken and Q. Yuan and Amy Casselman and S. Reppert},
  • I. Šauman, A. Briscoe, +6 authors S. Reppert
  • Published 2005
  • Biology, Medicine
  • Neuron
  • Migratory monarch butterflies (Danaus plexippus) use a time-compensated sun compass to navigate to their overwintering grounds in Mexico. Although polarized light is one of the celestial cues used for orientation, the spectral content (color) of that light has not been fully explored. We cloned the cDNAs of three visual pigment-encoding opsins (ultraviolet [UV], blue, and long wavelength) and found that all three are expressed uniformly in main retina. The photoreceptors of the polarization… CONTINUE READING
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