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Coaxing purple bacteria into becoming bioplastic factories

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2024-09-04 14:30:02

This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility:

In a world overrun by petroleum-based plastics, scientists are searching for alternatives that are more sustainable, more biodegradable and far less toxic to the environment.

Two new studies by biologists at Washington University in St. Louis highlight one potential source of game-changing materials: purple bacteria that, with a little encouragement, can act like microscopic factories for bioplastics.

A study led by graduate student Eric Conners found that two relatively obscure species of purple bacteria have the ability to produce polyhydroxyalkanoates (PHAs), natural polymers that can be purified to make plastic.

Another study led by research lab supervisor Tahina Ranaivoarisoa showed that genetic engineering could coax a well-studied but notoriously stubborn species of purple bacteria to dramatically ramp up its production of PHAs.

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