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Biofilm-Driven Microbial Colonization and Plastic Degradation
Original title: Biofilm‐Driven Microbial Colonization and Plastic Degradation
Summary
This review pulls together research on how bacteria and other microbes team up in slimy communities called biofilms to break down plastic waste, including using special enzymes to chew through tough polymers. This matters because plastic pollution—including the microplastics now found in our food, water, and even our bodies—is a growing health concern, and harnessing these natural microbial "clean-up crews" could offer a more sustainable way to reduce plastic waste in the environment. While the findings are promising, this technology is still being studied and isn't yet a ready-made solution to the plastics problem.
Plastic pollution remains a persistent environmental challenge with widespread ecological impacts. Biodegradation by microorganisms, particularly when facilitated by biofilm formation, has emerged as a promising strategy for mitigating this issue. In this chapter, we explore how microbial communities colonize plastic surfaces, with an emphasis on biofilm formation and quorum sensing mechanisms that promote adhesion, cooperative behavior, and enzymatic degradation activities. We also highlight the special capacity of extremophilic microbes to break down plastics under harsh conditions, and we examine the structural and molecular factors governing microbial-plastic interactions, such as polymer properties and microbial adaptive responses. Finally, recent discoveries in microbial consortia and specialized polymer-degrading enzymes are discussed, underscoring their potential contributions to sustainable plastic waste management.