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Independent photoreceptive circadian clocks throughout Drosophila

Academic Article
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Overview

authors

  • Plautz, J. D.
  • Kaneko, M.
  • Hall, J. C.
  • Kay, Steve A.

publication date

  • November 1997

journal

  • Science  Journal

abstract

  • Transgenic Drosophila that expressed either luciferase or green fluorescent protein driven from the promoter of the clock gene period were used to monitor the circadian clock in explanted head, thorax, and abdominal tissues. The tissues (including sensory bristles in the leg and wing) showed rhythmic bioluminescence, and the rhythms could be reset by light. The photoreceptive properties of the explanted tissues indicate that unidentified photoreceptors are likely to contribute to photic signal transduction to the clock. These results show that autonomous circadian oscillators are present throughout the body, and they suggest that individual cells in Drosophila are capable of supporting their own independent clocks.

subject areas

  • Animals
  • Animals, Genetically Modified
  • Biological Clocks
  • Brain
  • Chemoreceptor Cells
  • Circadian Rhythm
  • Darkness
  • Drosophila
  • Drosophila Proteins
  • Gene Expression Regulation
  • Genes, Insect
  • Green Fluorescent Proteins
  • Light
  • Light Signal Transduction
  • Luciferases
  • Luminescence
  • Luminescent Proteins
  • Nuclear Proteins
  • Period Circadian Proteins
  • Photoreceptor Cells, Invertebrate
  • Promoter Regions, Genetic
  • Receptors, Cell Surface
  • Recombinant Fusion Proteins
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Identity

International Standard Serial Number (ISSN)

  • 0036-8075

Digital Object Identifier (DOI)

  • 10.1126/science.278.5343.1632

PubMed ID

  • 9374465
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Additional Document Info

start page

  • 1632

end page

  • 1635

volume

  • 278

issue

  • 5343

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