DOI: 10.1085/jgp.59.6.701. The Effects of Intracellular Iontophoretic Injection of Calcium and Sodium Ions on the Light Response of <i>Limulus</i> Ventral Photoreceptors

The Effects of Intracellular Iontophoretic Injection of Calcium and Sodium Ions on the Light Response of Limulus Ventral Photoreceptors

10.1085/jgp.59.6.701

Crossref journal-article

Rockefeller University Press

The Journal of General Physiology (291)

Abstract

During intracellular iontophoretic injection of Ca++ into Limulus ventral photoreceptor cells, there is a progressive diminution of the light response. Following Ca++ injection, the size of the light response slowly recovers. Similarly, there is a progressive diminution of the light response during intracellular injection of Na+ and recovery after the injection is stopped. The rate of diminution during Na+ injection is greater for higher [Ca++]out. In solutions which contain 0.1 mM Ca++, there is nearly no progressive decrease in the size of the light response during Na+ injection. Intracellular injections of Li+ or K+ do not progressively decrease the size of the light response. We propose that an increase in [Na+]in leads to an increase in [Ca++]in and that an increase in [Ca++]in by any means leads to a reduction in responsiveness to light.

Bibliography

Lisman, J. E., & Brown, J. E. (1972). The Effects of Intracellular Iontophoretic Injection of Calcium and Sodium Ions on the Light Response of Limulus Ventral Photoreceptors. The Journal of General Physiology, 59(6), 701â719.

Authors 2

J. E. Lisman (first)
J. E. Brown (additional)

References 0 Referenced 160

None

Dates

Type	When
Created	21 years, 3 months ago (May 13, 2004, 6:45 p.m.)
Deposited	2 years, 1 month ago (July 27, 2023, 7:15 a.m.)
Indexed	11 months, 2 weeks ago (Sept. 13, 2024, 12:43 p.m.)
Issued	53 years, 2 months ago (June 1, 1972)
Published	53 years, 2 months ago (June 1, 1972)
Published Online	53 years, 2 months ago (June 1, 1972)
Published Print	53 years, 2 months ago (June 1, 1972)

Funders 0

None

BibTeX

@article{Lisman_1972, title={The Effects of Intracellular Iontophoretic Injection of Calcium and Sodium Ions on the Light Response of Limulus Ventral Photoreceptors}, volume={59}, ISSN={0022-1295}, url={http://dx.doi.org/10.1085/jgp.59.6.701}, DOI={10.1085/jgp.59.6.701}, number={6}, journal={The Journal of General Physiology}, publisher={Rockefeller University Press}, author={Lisman, J. E. and Brown, J. E.}, year={1972}, month=jun, pages={701–719} }

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