Primary Molecular Events in Aneural Cell Photoreceptors

  • Pill-Soon Song
Part of the NATO ASI Series book series (NSSA, volume 89)


Virtually all aneural organisms exhibit varied responses to UV and/or visible light. The spectral sensitivity of an organism is, of course, determined by the absorption spectral characteristics of photoreceptors and the optical bias of the organism. In this lecture, primary molecular events in photoreception are defined to include the perception of spectral/actinic quanta (absorption) by the photoreceptor chromophores of the organism and the resulting excitation and relaxation processes including the primary reactions, i.e. signal generating reactions, of the photoreceptors, as shown in Scheme 1 for photosensory transduction.


Proton Transfer Proton Dissociation Blue Light Receptor Deuterium Isotope Effect Absorption Spectral Characteristic 
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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • Pill-Soon Song
    • 1
  1. 1.Department of ChemistryTexas Tech UniversityLubbockUSA

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