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solving the world’s plastic problem

A group of students and professors from Yale University have found a fungi in the Amazon rainforest that can degrade and utilize the common plastic polyurethane (PUR). As part of the university’s Rainforest Expedition and Laboratory educational program, designed to engage undergraduate students in discovery-based research, the group searched for plants and cultured the micro-organisms within their tissue.

Several active organisms were identified, including two distinct isolates of Pestalotiopsis microspora with the ability to efficiently degrade and utilize PUR as the sole carbon source when grown anaerobically, a unique observation among reported PUR biodegradation activities.

Polyurethane is a big part of our mounting waste problem and this is a new possible solution for managing it. The fungi can survive on polyurethane alone and is uniquely able to do so in an oxygen-free environment. The Yale University team has published their findings in the article Biodegradation of Polyester Polyurethane by Endophytic Fungi for the Applied and Environmental Microbiology journal. via.

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