The Drosophila slowpoke (slo) gene encodes a subunit of a CAK channel homologous to the vertebrate BK channel. We have examined slo expression throughout development. It is expressed in muscle cells, neurons of the CNS and PNS, mushroom bodies, a limited number of cells in embryonic and larval midgut and in epithelial-derived tracheal cells. The promoter has been cloned and shown to direct expression in the same pattern as the endogenous gene in both neural and epithelial-derived cells. During pupariation and embryogenesis, slo is expressed in muscles many hours prior to the appearance of functional channels.
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| http://dx.doi.org/10.1523/JNEUROSCI.15-09-06250.1995 | DOI Listing |
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