Plasticizer Degradation by Marine Bacterial Isolates: A
In fact, one study found that using ATBC as a plasticizer actually decreased enzymatic degradation rates of the biodegradable plastic poly(lactic acid).22On the other hand, the pathways used for PAE biodegradation have been characterized to some extent in a number of terrestrial microorganisms.23,24,3339,2532Esterases have been suggested to
Plasticizer Degradation by Marine Bacterial Isolates: A
Plasticizer Degradation by Marine Bacterial Isolates: A Proteogenomic and Metabolomic Characterization Environ Sci Technol. 2025 Feb 18;54 (4):2244-2256. doi: 10.1021/acs.est.9b05228. Epub 2025 Jan 14. Authors Robyn J Wright 1 2 , Rafael Bosch 3 4 , Matthew I Gibson 5 6 , Joseph A Christie-Oleza 1 3 4 Affiliations
Plasticizer Degradation by Marine Bacterial Isolates: A
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Plasticizer Degradation by Marine Bacterial Isolates: A
From marine plastic debris, we enriched and isolated microbes able to grow using a range of plasticizers and, for the first time, identified the pathways used by two phylogenetically distinct...
Marine bacteria-based polyvinyl chloride (PVC) degradation by
In the present study, polyvinyl chloride degradation products (PVCDP) produced by three marine bacterial isolates (T-1.3, BP-4.3 and S-237) in the culture supernatant were evaluated for toxicity on the germination of Vigna radiata and growth of Ulva lactuca. A total of 24 compounds comprising of benzene, fatty acid, ether, ester and plastic
- Does plasticizer degradation occur in the marine environment?
- While the metabolic pathways for PAE degradation have been established in the terrestrial environment, to our knowledge, the mechanisms for ATBC biodegradation have not been identified previously and plasticizer degradation in the marine environment remains underexplored.
- Can microbes degrade plastic terephthalate?
- For example, Ideonella sakaiensis PETase has demonstrated the capacity to degrade polyethylene terephthalate, a common plastic compound 5. Identifying such plastic-degrading enzymes in microbes thus holds great promise to address the plastic waste problem and help mitigate global warming.
- Why is a high thermal stability enzyme necessary for plastic degradation?
- The property of high thermal stability of an enzyme is necessary for successful plastic degradation by this enzyme because plastics dramatically increase their flexibility and mobility at high temperatures, which facilitates their interactions with the enzymes and greatly improves the plastic-degrading efficiency 8.
- Can microbial enzymes degrade plastic?
- Note that although the identified enzymes from microbial species by traditional and current approaches can degrade plastics, they are often unstable and ineffective at high temperatures.
- How many operational taxonomic units are linked to plastic degradation?
- Finally, we found 72 operational taxonomic units (OTUs), 18 (25%) of which were linked to plastic degradation in literature. These predicted enzymes, enzyme combinations and OTUs offer promising candidates for experimental validation, protein engineering, and industrial application to tackle the plastic waste problem.
- How many enzymes are involved in plastic degradation?
- We developed the IPDE method to identify enzymes for plastic degradation. Using this approach, we identified 136 enzymes, about 46% of which were highly likely to be plastic-degradation enzymes, and an additional 31% were also partially supported by literature for their plastic-degradation activities.
