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Watch these hungry waxworms eat through plastic and digest it too
Key Excerpts from Article on Website of BBC News
Posted: May 13th, 2024
https://www.bbc.com/future/article/20240419-the-worms-that-e...
At first glance there's nothing particularly remarkable about waxworms. The larval form of wax moths, these pale wriggling grubs feed on the wax that bees use to make their honeycomb. For beekeepers, the pests are something to swiftly get rid of without a second thought. But in 2017 molecular biologist Federica Bertocchini ... stumbled on a potentially game-changing discovery about these creatures. Bertocchini, an amateur beekeeper, threw some of the waxworms in a plastic bag after cleaning her hive, and left them alone. A short time later, she noticed the worms had started producing small holes in the plastic, which begun degrading as soon as it touched the worms' mouths. The worms were doing something that we as humans find remarkably difficult to do: break down plastic. Not only that, but the worms appeared to be digesting the plastic as though it was food. Bertocchini and her fellow researchers began collecting the liquid excreted from the worms' mouths. They found this "saliva" contained two critical enzymes, Ceres and Demeter – named after the Roman and Greek goddesses of agriculture, respectively – which were able to oxidise the polyethylene in the plastic, essentially breaking down that material on contact. Bertocchini is now chief technology officer at bioresearch startup Plasticentropy France, working with a team to study the viability of scaling up these enzymes for widespread use in degrading plastic.
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