Molecular separation of two behavioral phenotypes by a mutation affecting the promoters of a Ca-activated K channel.

Abstract excerpt

The Drosophila slowpoke gene encodes a BK-type calcium-activated potassium channel. Null mutations in slowpoke perturb the signaling properties of neurons and muscles and cause behavioral defects. The animals fly very poorly compared with wild-type strains and, after exposure to a bright but cool light or a heat pulse, exhibit a "sticky-feet" phenotype. Expression of slowpoke arises from five transcriptional...

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