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Permeability and Structure of Junctional Membranes at an Electrotonic Synapse
Abstract
The dye Procion Yellow M4RS crosses junctional membranes from cytoplasm to cytoplasm at electrotonic synapses between segments of the crayfish septate axon. The dye does not enter the cells from extracellular space. Thus permeability of junctional membranes is qualitatively different from that of nonjunctional membranes. Electron microscopy after fixation in the presence of lanthanum hydroxide indicates that these synapses are "gap junctions" and that there is a network of channels continuous with extracellular space between apposed junctional membranes. These channels must be interlaced with intercytoplasmic channels that are not open to extracellular space.
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Cited by
Stewart, W. W. (1978) · Cell · doi:10.1016/0092-8674(78)90256-8 · Cited by 1,303
Metabolic Coupling, Ionic Coupling and Cell Contacts
GILULA, N. B., REEVES, O. R., & STEINBACH, A. (1972) · Nature · doi:10.1038/235262a0 · Cited by 677
VARIATIONS IN TIGHT AND GAP JUNCTIONS IN MAMMALIAN TISSUES
Friend, D. S., & Gilula, N. B. (1972) · The Journal of Cell Biology · doi:10.1083/jcb.53.3.758 · Cited by 677
The Organization of Escape Behaviour in the Crayfish
Wine, J. J., & Krasne, F. B. (1972) · Journal of Experimental Biology · doi:10.1242/jeb.56.1.1 · Cited by 441
Gap junctions and cancer: communicating for 50 years
Aasen, T., Mesnil, M., Naus, C. C., Lampe, P. D., & Laird, D. W. (2016) · Nature Reviews Cancer · doi:10.1038/nrc.2016.105 · Cited by 369
Metadata
- Authors
- Payton, B. W., Bennett, M. V. L., & Pappas, G. D.
- Venue
- Science
- Published
- 1969-12-26
- Volume
- 166
- Issue
- 3913
- Pages
- 1641-1643
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1980348648
- Cited by
- 319
- References
- 0
- FWCI
- 16.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Payton, B. W., Bennett, M. V. L., & Pappas, G. D. (1969). Permeability and Structure of Junctional Membranes at an Electrotonic Synapse. Science. https://doi.org/10.1126/science.166.3913.1641
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