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Wax worm saliva and the enzymes therein are the key to polyethylene degradation by Galleria mellonella

Abstract: Plastic degradation by biological systems with re-utilization of the by-products could be a future solution to the global threat of plastic waste accumulation. Here, we report that the saliva of Galleria mellonella larvae (wax worms) is capable of oxidizing and depolymerizing polyethylene (PE), one of the most produced and sturdy polyolefin-derived plastics. This effect is achieved after a few hours´ exposure at room temperature under physiological conditions (neutral pH). The wax worm saliva can overcome the bottleneck step in PE biodegradation, namely the initial oxidation step. Within the saliva, we identify two enzymes, belonging to the phenol oxidase family, that can reproduce the same effect. To the best of our knowledge, these enzymes are the first animal enzymes with this capability, opening the way to potential solutions for plastic waste management through bio-recycling/up-cycling

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Sanluis-Verdes A., Colomer-Vidal P., Rodriguez-Ventura F., Bello-Villarino M., Spinola-Amilibia M., Ruiz-Lopez E., Illanes-Vicioso R., Castroviejo P., Aiese Cigliano R., Montoya M., Falabella P., Pesquera C., Gonzalez-Legarreta L., Arias-Palomo E., Solà M., Torroba T., Arias C.F., Bertocchini F.,

 Fuente: Nature Communications, 2022, 13, 5568

Editorial: Nature Publishing Group

 Fecha de publicación: 04/10/2022

Nº de páginas: 11

Tipo de publicación: Artículo de Revista

 DOI: 10.1038/s41467-022-33127-w

ISSN: 2041-1723

Proyecto español: PID2019-111215RB-I00

Url de la publicación: https://doi.org/10.1038/s41467-022-33127-w

Autores/as

SANLUIS VERDES, A.

COLOMER VIDAL, PERE

RODRÍGUEZ VENTURA, FRANCISCO

BELLO VILLARINO, M.

SPÍNOLA AMILIBIA, MERCEDES

RUIZ LÓPEZ, ELENA

ILLANES VICIOSO, R.

CASTROVIEHO, P.

AIESE CIGLIANO, RICCARDO

MONTOYA, M

FALABELLA, PATRIZIA

M. CARMEN PESQUERA GONZALEZ

ARIAS PALOMO, ERNESTO

SOLÀ, M.

TOMAS TORROBA PEREZ

FERNÁNDEZ ARIAS, CLEMENTE

FEDERICA BERTOCCHINI