Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus

Growing concerns regarding the impact of the accumulation of plastic waste over several decades on the environmental have led to the development of biodegradable plastic. These plastics can be degraded by microorganisms and absorbed by the environment and are therefore gaining public support as a po...

Full description

Bibliographic Details
Main Authors:	da Luz, José Maria Rodrigues, Paes, Sirlaine Albino, Nunes, Mateus Dias, da Silva, Marliane de Cássia Soares, Kasuya, Maria Catarina Megumi
Format:	Online
Language:	English
Published:	Public Library of Science 2013
Online Access:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3744528/

id	pubmed-3744528
recordtype	oai_dc
spelling	pubmed-37445282013-08-21 Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus da Luz, José Maria Rodrigues Paes, Sirlaine Albino Nunes, Mateus Dias da Silva, Marliane de Cássia Soares Kasuya, Maria Catarina Megumi Research Article Growing concerns regarding the impact of the accumulation of plastic waste over several decades on the environmental have led to the development of biodegradable plastic. These plastics can be degraded by microorganisms and absorbed by the environment and are therefore gaining public support as a possible alternative to petroleum-derived plastics. Among the developed biodegradable plastics, oxo-biodegradable polymers have been used to produce plastic bags. Exposure of this waste plastic to ultraviolet light (UV) or heat can lead to breakage of the polymer chains in the plastic, and the resulting compounds are easily degraded by microorganisms. However, few studies have characterized the microbial degradation of oxo-biodegradable plastics. In this study, we tested the capability of Pleurotus ostreatus to degrade oxo-biodegradable (D2W) plastic without prior physical treatment, such as exposure to UV or thermal heating. After 45 d of incubation in substrate-containing plastic bags, the oxo-biodegradable plastic, which is commonly used in supermarkets, developed cracks and small holes in the plastic surface as a result of the formation of hydroxyl groups and carbon-oxygen bonds. These alterations may be due to laccase activity. Furthermore, we observed the degradation of the dye found in these bags as well as mushroom formation. Thus, P. ostreatus degrades oxo-biodegradable plastics and produces mushrooms using this plastic as substrate. Public Library of Science 2013-08-15 /pmc/articles/PMC3744528/ /pubmed/23967057 http://dx.doi.org/10.1371/journal.pone.0069386 Text en © 2013 da Luz et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
repository_type	Open Access Journal
institution_category	Foreign Institution
institution	US National Center for Biotechnology Information
building	NCBI PubMed
collection	Online Access
language	English
format	Online
author	da Luz, José Maria Rodrigues Paes, Sirlaine Albino Nunes, Mateus Dias da Silva, Marliane de Cássia Soares Kasuya, Maria Catarina Megumi
spellingShingle	da Luz, José Maria Rodrigues Paes, Sirlaine Albino Nunes, Mateus Dias da Silva, Marliane de Cássia Soares Kasuya, Maria Catarina Megumi Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
author_facet	da Luz, José Maria Rodrigues Paes, Sirlaine Albino Nunes, Mateus Dias da Silva, Marliane de Cássia Soares Kasuya, Maria Catarina Megumi
author_sort	da Luz, José Maria Rodrigues
title	Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
title_short	Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
title_full	Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
title_fullStr	Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
title_full_unstemmed	Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus
title_sort	degradation of oxo-biodegradable plastic by pleurotus ostreatus
description	Growing concerns regarding the impact of the accumulation of plastic waste over several decades on the environmental have led to the development of biodegradable plastic. These plastics can be degraded by microorganisms and absorbed by the environment and are therefore gaining public support as a possible alternative to petroleum-derived plastics. Among the developed biodegradable plastics, oxo-biodegradable polymers have been used to produce plastic bags. Exposure of this waste plastic to ultraviolet light (UV) or heat can lead to breakage of the polymer chains in the plastic, and the resulting compounds are easily degraded by microorganisms. However, few studies have characterized the microbial degradation of oxo-biodegradable plastics. In this study, we tested the capability of Pleurotus ostreatus to degrade oxo-biodegradable (D2W) plastic without prior physical treatment, such as exposure to UV or thermal heating. After 45 d of incubation in substrate-containing plastic bags, the oxo-biodegradable plastic, which is commonly used in supermarkets, developed cracks and small holes in the plastic surface as a result of the formation of hydroxyl groups and carbon-oxygen bonds. These alterations may be due to laccase activity. Furthermore, we observed the degradation of the dye found in these bags as well as mushroom formation. Thus, P. ostreatus degrades oxo-biodegradable plastics and produces mushrooms using this plastic as substrate.
publisher	Public Library of Science
publishDate	2013
url	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3744528/
_version_	1612003380658438144

Degradation of Oxo-Biodegradable Plastic by Pleurotus ostreatus

Similar Items