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‘We are just getting started’: the plastic-eating bacteria that could change the world
(www.theguardian.com)
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this post was submitted on 28 Sep 2023
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Without artificial selection, the few bacteria capable of digesting some plastics only do so when it's the only source of carbon and energy. Plastics require expressing complex enzymes and the process is not efficient.
If you have literally any other sugar available in your environment, it's better to digest that instead. So they aren't out there absolutely massacring plastic waste, unless they happen to be in an environment where this is all that's left.
I wonder if they could be bred to be unable to directly metabolize sugar, or if that's a ridiculous thought.
Easily. But then they would be outcompeted by bacteria that can.
Unless they have a sole niche they alone can occupy, like prevalent plastic, maybe.