| Title | Genetic Modifications in Bacteria for the Degradation of Synthetic Polymers: A Review |
|---|---|
| ID_Doc | 9299 |
| Authors | Martín-González, D; Tagarro, CD; De Lucas, A; Bordel, S; Santos-Beneit, F |
| Title | Genetic Modifications in Bacteria for the Degradation of Synthetic Polymers: A Review |
| Year | 2024 |
| Published | International Journal Of Molecular Sciences, 25.0, 10 |
| Abstract | Synthetic polymers, commonly known as plastics, are currently present in all aspects of our lives. Although they are useful, they present the problem of what to do with them after their lifespan. There are currently mechanical and chemical methods to treat plastics, but these are methods that, among other disadvantages, can be expensive in terms of energy or produce polluting gases. A more environmentally friendly alternative is recycling, although this practice is not widespread. Based on the practice of the so-called circular economy, many studies are focused on the biodegradation of these polymers by enzymes. Using enzymes is a harmless method that can also generate substances with high added value. Novel and enhanced plastic-degrading enzymes have been obtained by modifying the amino acid sequence of existing ones, especially on their active site, using a wide variety of genetic approaches. Currently, many studies focus on the common aim of achieving strains with greater hydrolytic activity toward a different range of plastic polymers. Although in most cases the depolymerization rate is improved, more research is required to develop effective biodegradation strategies for plastic recycling or upcycling. This review focuses on a compilation and discussion of the most important research outcomes carried out on microbial biotechnology to degrade and recycle plastics. |
| https://www.mdpi.com/1422-0067/25/10/5536/pdf?version=1716099913 |
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