The nematode degenerin UNC-105 forms ion channels that are activated by degeneration- or hypercontraction-causing mutations.

Abstract excerpt

Nematode degenerins have been implicated in touch sensitivity and other forms of mechanosensation. Certain mutations in several degenerin genes cause the swelling, vacuolation, and death of neurons, and other mutations in the muscle degenerin gene unc-105 cause hypercontraction. Here, we confirm that unc-105 encodes an ion channel and show that it is constitutively active when mutated. These mutations disrupt...

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