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Plastic Eating Enzyme Solve The Plastic Pollution Crisis Consider The Consumer

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New Plastic Eating Enzyme Can Help Solve The Plastic Pollution Crisis

The microwave, The Pacemaker, Play-Doh, and Penicillin. What do they have in common? They were all accidental discoveries that ended up being brilliant inventions, and even changing the world. Well, now we have another to add to this last as a team of researchers may have accidentally engineered a plastic eating enzyme that can potentially help alleviate the global plastic pollution crisis. This plastic eating enzyme is able to eat up the polyethylene terephthalate (um, yeah, plastic), of which hundreds of millions of tons are produced year after year, mostly in the form of plastic bottles. These PET plastics, which were first brought about in the 1940s, can, unfortunately, stick around in the environment for hundreds of years.

It’s been reported, however, by Consumer Affairs, that researchers from the University of Portsmouth in Britain, and the U.S. Department of Energy’s National Renewable Energy Laboratory say they may have serendipitously discovered an enzyme that can eat PET plastic.

How the enzyme was discovered

The discovery was made while examining the structure of a natural enzyme believed to have come of age in a Japanese recycling center. The bacterium had naturally evolved to eat plastic.

When the team tweaked the structure of the enzyme by adding some amino acids, tests showed that it made the molecule even better at breaking down PET plastic.

“What actually turned out was we improved the enzyme, which was a bit of a shock,” said lead researcher John McGeehan, a professor at the University of Portsmouth in the UK. “It’s great and a real finding.”

The enzyme’s plastic-eating abilities were enhanced by the slight alteration, which McGeehan says is “really exciting because that means that there’s potential to optimize the enzyme even further.”

The discovery could be a step toward eliminating the huge swaths of plastic waste often found floating in oceans or washed up on beaches all over the world, the researchers said.

Speeding up the enzyme

The researchers are currently working on improving the enzyme further to allow it to be used industrially to quickly break down plastics.

“Serendipity often plays a significant role in fundamental scientific research and our discovery here is no exception,” said McGeehan. “Although the improvement is modest, this unanticipated discovery suggests that there is room to further improve these enzymes, moving us closer to a recycling solution for the ever-growing mountain of discarded plastics.”

The research has been published in the journal Proceedings of the National Academy of Sciences.

Do you think this enzyme can change the world and really help mitigate the plastic pollution crisis? Let us know! Send an email to Outreach@ConsiderTheConsumer.com, find us on Twitter or Facebook, or even connect with us directly on our website! We look forward to hearing from all of you.

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