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New-Age Bioremediation Strategies to Combat Microplastic Pollution in the Environment
Summary
This review discusses emerging bioremediation strategies for addressing microplastic pollution, focusing on the use of microorganisms and their enzymes to break down plastic polymers. Researchers highlight that enzymes such as lipases, esterases, and oxidases show potential for depolymerizing various microplastic types. The study acknowledges challenges around substrate specificity, environmental conditions, and scalability that must be overcome to make enzymatic bioremediation viable at larger scales.
Microplastic pollution poses a significant threat to ecosystems and human health, necessitating innovative solutions for its mitigation. The details of microbial and enzymatic bioremediation strategies, elucidating the intricate mechanisms involved in the degradation of microplastics are discussed. Highlighting the adaptive capabilities of microorganisms thriving in microplastic-rich environments, we explore their metabolic pathways and enzymatic activities, emphasizing their potential for degrading diverse microplastic types. The enzymes, including lipases, esterases, oxidases etc. play an important role in depolymerizing and mineralizing microplastics. Insight is provided into the enzymatic mechanisms driving the breakdown of complex polymer structures. While assessing the ecological interactions between microorganisms and microplastics, potential of enzyme based approaches for large-scale bioremediation applications are also discussed in detail. Challenges and limitations in microbial and enzymatic bioremediation are addressed, encompassing substrate specificity, environmental conditions, and scalability. Strategies to optimize these processes are discussed, offering valuable insights for future research and sustainable bioremediation technology development. In conclusion, this comprehensive overview synthesizes current knowledge on microbial and enzymatic bioremediation of microplastics. By shedding light on the complexities of microplastic-microorganism interactions, this chapter contributes to the growing body of literature, guiding the development of effective, environmentally friendly strategies to combat the global issue of microplastic pollution.