Current-voltage relations during illumination: photoreceptor membrane of a barnacle

H M Brown, R W Meech, H Koike, S Hagiwara

Research output: Contribution to journalArticle (Academic Journal)peer-review

22 Citations (Scopus)


In voltage clamped photoreceptor cells of the barnacle, light-induced membrane current varied nonlinearly with membrane potential and changed sign at about + 27 millivolts (reversal potential) independently of light intensity. Instantaneous current-voltage relations were linear and intersected the voltage axis at the reversal potential. Illumination increased membrane conductance that was dependent on membrane potential, light intensity, and time.

Original languageEnglish
Pages (from-to)240-3
Number of pages4
Issue number3902
Publication statusPublished - 10 Oct 1969


  • Animals
  • Cell Membrane Permeability
  • Crustacea
  • Light
  • Membrane Potentials
  • Sensory Receptor Cells
  • Sodium


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