Shaker K+ channels contribute early nonlinear amplification to the light response in Drosophila photoreceptors.

doi:10.1152/jn.00395.2003

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Article

Shaker K+ channels contribute early nonlinear amplification to the light response in Drosophila photoreceptors.

Journal of neurophysiology - 1 Sept 2003

Juusola Mikko, Niven Jeremy E, French Andrew S

Abstract excerpt

We describe the contribution of rapidly inactivating Shaker K+ channels to the dynamic membrane properties of Drosophila photoreceptors. Phototransduction was measured in wild-type and Shaker mutant (Sh14) Drosophila photoreceptors by stimulating with white noise-modulated light contrast and recording the resulting intracellular membrane potential fluctuations. A second-order Volterra kernel series was used to...

Topics

Animals
Drosophila
Drosophila Proteins
Mutation
Nonlinear Dynamics
Photic Stimulation
Photoreceptor Cells, Invertebrate
Potassium Channels
Shaker Superfamily of Potassium Channels

Source

Open in PubMed

Identifiers

PMID: 12761281
DOI: 10.1152/jn.00395.2003

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