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Odor-Induced Membrane Currents in Vertebrate-Olfactory Receptor Neurons
Abstract
In olfactory receptor neurons, odor molecules cause a depolarization that leads to action potential generation. Underlying the depolarization is an ionic current that is the earliest electrical event in the transduction process. In two preparations, olfactory receptor neurons were voltage-clamped and stimulated with odors and this generator current was measured. In addition, a method was developed to estimate the time course and absolute concentration of odorants delivered to the receptor sites. With this method, olfactory neurons were found to have relatively high stimulus thresholds, steep dose-response relations, long latencies, and an apparent requirement for cooperativity at one or more steps in the pathway from odorant binding to activation of the generator current.
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Cited by
Wong, S. T., Trinh, K., Hacker, B., Chan, G. C. K., Lowe, G., Gaggar, A., Xia, Z., Gold, G. H., & Storm, D. R. (2000) · Neuron · doi:10.1016/s0896-6273(00)00060-x · Cited by 470
Nonlinear amplification by calcium-dependent chloride channels in olfactory receptor cells
Lowe, G., & Gold, G. H. (1993) · Nature · doi:10.1038/366283a0 · Cited by 326
Kurahashi, T., & Yau, K.-W. (1993) · Nature · doi:10.1038/363071a0 · Cited by 313
Responses of vomeronasal neurons to natural stimuli
Holy, T. E., Dulac, C., & Meister, M. (2000) · Science · doi:10.1126/science.289.5484.1569 · Cited by 275
Metadata
- Authors
- Firestein, S., & Werblin, F.
- Venue
- Science
- Published
- 1989-04-07
- Volume
- 244
- Issue
- 4900
- Pages
- 79-82
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2094984593
- Cited by
- 191
- References
- 0
- FWCI
- 10.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Firestein, S., & Werblin, F. (1989). Odor-Induced Membrane Currents in Vertebrate-Olfactory Receptor Neurons. Science. https://doi.org/10.1126/science.2704991
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
