The first one anyone has found to survive on a steady diet of polyurethane alone
Polyurethane seemed like it couldn’t interact with the earth’s normal processes of breaking down and recycling material. That’s just because it hadn’t met the right mushroom yet.
The Amazon is home to more species that almost anywhere else on earth. One of them, carried home recently by a group of Yale University, appears to be quite happy eating plastic in airless landfills.
The group of students, part of Yale’s annual Rainforest Expedition and Laboratory with molecular biochemistry professor Scott Strobel, ventured to the jungles of Ecuador. The mission was to allow “students to experience the scientific inquiry process in a comprehensive and creative way.” The group searched for plants, and then culture the microorganisms within the plant tissue. As it turns out, they brought back a fungus new to science with a voracious appetite for a global waste problem: polyurethane.
The common plastic is used for everything from gardens hoses to shoes and truck seats. Once it gets into the trashstream, it persists for generations. Anyone alive today is assured that their old garden hoses and other polyurethane trash will still be here to greet his or her great, great grandchildren. Unless something eats it.
The fungi, Pestalotiopsis microspora, is the first one anyone has found to survive on a steady diet of polyurethane alone and–even more surprising–do this in an anaerobic (oxygen-free) environment that is close to the condition at the bottom of a landfill.
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