Light does not induce an increase in cyclic-GMP content of squid or Limulus photoreceptors

J. E. Brown, M. Faddis, A. Combs

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Both slices of squid (Loligo) retinas and Limulus ventral photoreceptors, with or without prior stimulation by flashes of bright light, were rapidly frozen and analysed for cyclic-GMP content by radioimmunoassay. Measurement of the freezing process indicated that freezing occurred at about 100 msec after the light flash. No significant changes in cyclic-GMP content were induced by light in either tissue. These data do not confirm previous reports that cyclic-GMP content of invertebrate photoreceptors is markedly increased by illumination.

Original languageEnglish
Pages (from-to)403-410
Number of pages8
JournalExperimental eye research
Volume54
Issue number3
DOIs
StatePublished - Mar 1992

Keywords

  • Limulus
  • cyclic-GMP
  • photoreceptor
  • squid
  • transduction

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