Many a drinker of mezcal, the tequila-like alcoholic beverage made from agave plants, has been warned not to eat the worm at the bottom of the bottle.

According to researchers from the University of Guelph, however, if you drink mezcal at all you will still be ingesting the worm, or at least its DNA — enough of it, in fact, that it can be PCR-amplified and sequenced.

GenomeWeb article: University of Guelph Researchers PCR-Amplify Specimen DNA from Preservative Ethanol

Barcode blog article: Simplified DNA barcode recipe-skip step one

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