Spontaneous activation of light-sensitive channels in Drosophila photoreceptors.

Abstract excerpt

In Drosophila photoreceptors light induces phosphoinositide hydrolysis and activation of Ca(2+)-permeable plasma membrane channels, one class of which is believed to be encoded by the trp gene. We have investigated the properties of the light-sensitive channels under conditions where they are activated independently of the transduction cascade. Whole-cell voltage clamp recordings were made from photoreceptors in...

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