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Artículo

Biodegradation of Biodegradable Polymers in Mesophilic Aerobic Environments

Bher, Anibal RicardoIcon ; Mayekar, Pooja C.; Auras, Rafael; Schvezov, Carlos EnriqueIcon
Fecha de publicación: 10/2022
Editorial: Molecular Diversity Preservation International
Revista: International Journal of Molecular Sciences
ISSN: 1422-0067
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Compuestos

Resumen

Finding alternatives to diminish plastic pollution has become one of the main challenges of modern life. A few alternatives have gained potential for a shift toward a more circular and sustainable relationship with plastics. Biodegradable polymers derived from bio- and fossil-based sources have emerged as one feasible alternative to overcome inconveniences associated with the use and disposal of non-biodegradable polymers. The biodegradation process depends on the environment’s factors, microorganisms and associated enzymes, and the polymer properties, resulting in a plethora of parameters that create a complex process whereby biodegradation times and rates can vary immensely. This review aims to provide a background and a comprehensive, systematic, and critical overview of this complex process with a special focus on the mesophilic range. Activity toward depolymerization by extracellular enzymes, biofilm effect on the dynamic of the degradation process, CO2 evolution evaluating the extent of biodegradation, and metabolic pathways are discussed. Remarks and perspectives for potential future research are provided with a focus on the current knowledge gaps if the goal is to minimize the persistence of plastics across environments. Innovative approaches such as the addition of specific compounds to trigger depolymerization under particular conditions, biostimulation, bioaugmentation, and the addition of natural and/or modified enzymes are state-of-the-art methods that need faster development. Furthermore, methods must be connected to standards and techniques that fully track the biodegradation process. More transdisciplinary research within areas of polymer chemistry/processing and microbiology/biochemistry is needed.
Palabras clave: BIOFILM , DEGRADATION MECHANISMS , DEPOLYMERIZATION , ENZYMES , HYDROLYSIS , MICROORGANISMS , PLASTICS
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution 2.5 Unported (CC BY 2.5)
Identificadores
URI: http://hdl.handle.net/11336/213154
URL: https://www.mdpi.com/1422-0067/23/20/12165
DOI: http://dx.doi.org/10.3390/ijms232012165
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Articulos(IMAM)
Articulos de INST.DE MATERIALES DE MISIONES
Citación
Bher, Anibal Ricardo; Mayekar, Pooja C.; Auras, Rafael; Schvezov, Carlos Enrique; Biodegradation of Biodegradable Polymers in Mesophilic Aerobic Environments; Molecular Diversity Preservation International; International Journal of Molecular Sciences; 23; 20; 10-2022; 1-106
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