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Advancing bioremediation: biosurfactants as catalysts for sustainable remediation
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This review examines how biosurfactants, natural cleaning agents produced by microorganisms, can help break down stubborn pollutants including microplastics. Unlike synthetic chemicals, biosurfactants are biodegradable and less toxic, making them a greener option for environmental cleanup. The research suggests these biological tools could play an important role in reducing microplastic contamination in soil and water, potentially lowering human exposure over time.
Emerging contaminants such as persistent organic pollutants, perfluorinated compounds, and microplastics pose unparallel challenges to environmental health and current remediation techniques. Microbial biosurfactants, biodegradable compounds produced by microorganisms, have gained attention as eco-friendly alternatives for degrading recalcitrant pollutants. Unlike traditional chemical surfactants, biosurfactants offer the dual benefit of being derived from renewable resources while enhancing the solubility and bioavailability of hydrophobic contaminants. This review is novel in its comprehensive exploration of microbial biosurfactants as a one-step solution for tackling the most persistent environmental pollutants. It introduces recent advancements in metabolic engineering and alternative fermentation strategies that have significantly improved biosurfactant production. Furthermore, the review critically examines the current limitations, including high production costs and complex downstream processing, and proposes cutting-edge approaches to overcome these barriers, such as the use of low-cost feedstocks and integrated bioprocessing techniques. Beyond their established uses, this review also sheds light on their untapped potential in heavy metal removal and microplastic degradation areas that have received little attention. By emphasizing these novel applications and outlining pathways for large-scale production, this review offers valuable insights into how biosurfactants could play a transformative role in sustainable environmental remediation.
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Bioremediation of Microplastics Using Biosurfactants: A Sustainable Approach for Plastic Pollution Mitigation
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This book chapter reviews existing research on using biosurfactants, natural compounds made by microbes, to break down microplastics. It describes how these substances can help bacteria stick to plastic surfaces, form biofilms, and chemically break plastics down into carbon dioxide and water.
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This review examined the role of biosurfactant-producing bacteria in plastic biodegradation, finding that biosurfactants enhance bioavailability of hydrophobic polyethylene and polypropylene surfaces, potentially accelerating microbial degradation—offering a promising biotechnological strategy for environmental plastic pollution remediation.
Bioremediation of Microplastics by Microorganisms: Trends, Challenges, and Perspectives
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This review examines how microorganisms can be used to break down microplastic pollution in water and soil through bioremediation, a process considered more environmentally friendly than chemical alternatives. Researchers summarized the various microbial mechanisms involved, including enzymatic degradation and biofilm formation on plastic surfaces. While the approach shows promise as a green solution, the study notes that significant challenges remain in scaling these methods for real-world environmental cleanup.
Challenges and opportunities in bioremediation of micro-nano plastics: A review.
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This review examines biological approaches to removing micro- and nanoplastics from the environment, focusing on microbial degradation and bioremediation strategies. While bioremediation holds promise, challenges remain in identifying microbes capable of degrading common plastic types and scaling these processes for practical environmental cleanup.
Assessing Recent Technologies for Addressing Microplastic Pollution and Pushing the Case of Bioremediation as an Attractive Approach
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This review assesses current technologies for addressing microplastic pollution, with a focus on bioremediation as a sustainable alternative. Researchers compared physical, chemical, and biological approaches and found that microbial degradation offers distinct advantages in terms of environmental compatibility and cost-effectiveness. The study advocates for increased investment in bioremediation research as a practical strategy for managing microplastic contamination at scale.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.