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Nature 424, 28-29 (3 July 2003) | doi:10.1038/424028a

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Ion channels: Hearing aid

Rachel A. Dumont & Peter G. Gillespie

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Mechanically controlled ion channels — transduction channels — are a key feature of the cells that detect sound, touch and movement. In fruitfly ears, the channels belong to a very familiar group of proteins.

Sensory information, such as that carried by light, odours and sound, continuously washes over us, revealing the nature of the outside world. Because organisms place a premium on detecting such signals with high specificity and sensitivity, specialized cells have evolved to capture each type of stimulus.

  1. Rachel A. Dumont and Peter G. Gillespie are at the Oregon Hearing Research Center and the Vollum Institute, Oregon Health & Science University, Portland, Oregon 97239, USA.

Correspondence to: Peter G. Gillespie e-mail: Email: gillespp@ohsu.edu