Biotechnological Plastic Degradation and Valorization Using Systems Metabolic Engineering

Ga Hyun Lee, Do Wook Kim, Yun Hui Jin, Sang Min Kim, Eui Seok Lim, Min Ji Cha, Ja Kyong Ko, Gyeongtaek Gong, Sun Mi Lee, Youngsoon Um, Sung Ok Han, Jung Ho Ahn

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)

Abstract

Various kinds of plastics have been developed over the past century, vastly improving the quality of life. However, the indiscriminate production and irresponsible management of plastics have led to the accumulation of plastic waste, emerging as a pressing environmental concern. To establish a clean and sustainable plastic economy, plastic recycling becomes imperative to mitigate resource depletion and replace non-eco-friendly processes, such as incineration. Although chemical and mechanical recycling technologies exist, the prevalence of composite plastics in product manufacturing complicates recycling efforts. In recent years, the biodegradation of plastics using enzymes and microorganisms has been reported, opening a new possibility for biotechnological plastic degradation and bio-upcycling. This review provides an overview of microbial strains capable of degrading various plastics, highlighting key enzymes and their role. In addition, recent advances in plastic waste valorization technology based on systems metabolic engineering are explored in detail. Finally, future perspectives on systems metabolic engineering strategies to develop a circular plastic bioeconomy are discussed.

Original languageEnglish
Article number15181
JournalInternational journal of molecular sciences
Volume24
Issue number20
DOIs
Publication statusPublished - 2023 Oct

Bibliographical note

Publisher Copyright:
© 2023 by the authors.

Keywords

  • bio-upcycling
  • biodegradation
  • circular plastic bioeconomy
  • plastic waste
  • systems metabolic engineering

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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