Issue Date: September 11, 2017
How poison dart frogs avoid poisoning themselves
Scientists have wondered how golden poison dart frogs resist succumbing to the high doses of toxin they store in their skin. Certain species of Phyllobates frogs are loaded with enough batrachotoxin—up to 2 mg in adults—to kill more than 20,000 mice, yet their voltage-gated sodium channel membrane protein is immune to its paralytic effects. Sho-Ya Wang and Ging Kuo Wang of the University at Albany now report that a single amino acid . . .
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- Chemical & Engineering News
- ISSN 0009-2347
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