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Related Experiment Video

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Perspectives on Neuroscience
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A Comparative Perspective on Extra-retinal Photoreception.

Jonathan H Pérez1, Elisabetta Tolla2, Ian C Dunn3

  • 1Institute for Biological and Environmental Sciences, University of Aberdeen, Aberdeen AB24 3FX, Scotland; The Roslin Institute, The Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian EH25 9RG, Scotland.

Trends in Endocrinology and Metabolism: TEM
|December 8, 2018
PubMed
Summary
This summary is machine-generated.

Extra-retinal photoreceptors (ERPs) in vertebrates influence physiology and behavior. Emerging techniques are unifying research on their identification and functional roles, bridging current knowledge gaps.

Keywords:
OPN4OPN5VA-opsinbrainextra-retinal photoreceptor

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Area of Science:

  • Comparative biology
  • Neuroscience
  • Endocrinology

Background:

  • Extra-retinal photoreceptors (ERPs) are widespread in non-mammalian vertebrates.
  • ERPs are associated with diverse physiological, metabolic, behavioral, and morphological changes.
  • The precise mechanisms and functional significance of ERPs remain largely unknown.

Purpose of the Study:

  • To review and synthesize current knowledge on the conserved roles and distributions of ERPs across vertebrate species.
  • To identify critical knowledge gaps in ERP research.
  • To explore how emerging technologies can unify disparate research areas.

Main Methods:

  • Comparative analysis of existing literature on ERPs.
  • Identification and localization of photoreceptors.
  • Linking non-retinal light reception to physiological and behavioral processes.

Main Results:

  • ERP research is currently divided into two main categories: photoreceptor identification/localization and linking light reception to physiological/behavioral outcomes.
  • Conserved roles and distributions of ERPs are identified through a comparative framework.
  • Knowledge gaps in understanding ERP mechanisms and functions are highlighted.

Conclusions:

  • Novel gene editing and silencing techniques are poised to unify ERP research.
  • Bridging the divide between photoreceptor identification and functional studies is crucial for advancing the field.
  • Understanding ERPs offers insights into vertebrate biology, physiology, and behavior.