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A Component of Calcium-activated Potassium Channels Encoded by the Drosophila slo Locus
Abstract
Calcium-activated potassium channels mediate many biologically important functions in electrically excitable cells. Despite recent progress in the molecular analysis of voltage-activated K + channels, Ca 2+ -activated K + channels have not been similarly characterized. The Drosophila slowpoke ( slo ) locus, mutations of which specifically abolish a Ca 2+ -activated K + current in muscles and neurons, provides an opportunity for molecular characterization of these channels. Genomic and complementary DNA clones from the slo locus were isolated and sequenced. The polypeptide predicted by slo is similar to voltage-activated K + channel polypeptides in discrete domains known to be essential for function. Thus, these results indicate that slo encodes a structural component of Ca 2+ -activated K + channels.
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Cited by
Calcium-activated potassium channels
Vergara, C., Latorre, R., Marrion, N. V., & Adelman, J. P. (1998) · Current Opinion in Neurobiology · doi:10.1016/s0959-4388(98)80056-1 · Cited by 954
Schulz, D. J., Goaillard, J.-M., & Marder, E. (2006) · Nature Neuroscience · doi:10.1038/nn1639 · Cited by 426
MECHANISMS OF HAIR CELL TUNING
Fettiplace, R., & Fuchs, P. A. (1999) · Annual Review of Physiology · doi:10.1146/annurev.physiol.61.1.809 · Cited by 417
Pongs, O., Lindemeier, J., Zhu, X. R., Theil, T., Engelkamp, D., Krah-Jentgens, I., Lambrecht, H., Koch, K. W., Schwemer, J., Rivosecchi, R., et al. (1993) · Neuron · doi:10.1016/0896-6273(93)90267-u · Cited by 357
Molecular Determinants of BK Channel Functional Diversity and Functioning
Latorre, R., Castillo, K., Carrasquel-Ursulaez, W., Sepulveda, R. V., Gonzalez-Nilo, F., Gonzalez, C., & Alvarez, O. (2017) · Physiological Reviews · doi:10.1152/physrev.00001.2016 · Cited by 271
Metadata
- Authors
- Atkinson, N. S., Robertson, G. A., & Ganetzky, B.
- Venue
- Science
- Published
- 1991-08-02
- Volume
- 253
- Issue
- 5019
- Pages
- 551-555
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1974997331
- Cited by
- 631
- References
- 0
- FWCI
- 9.39
- Type
- journal article
- Language
- en
- Open access
- closed
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- Atkinson, N. S., Robertson, G. A., & Ganetzky, B. (1991). A Component of Calcium-activated Potassium Channels Encoded by the Drosophila slo Locus. Science. https://doi.org/10.1126/science.1857984
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