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Role of Fungi in Biodegradation of Bisphenol A: A Review
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This review examined the role of fungi in biodegrading bisphenol A, a widespread endocrine disruptor that leaches from plastics into water sources, highlighting fungal enzymes and degradation pathways as promising approaches for environmental remediation.
Bisphenol A (BPA) is recognized as an endocrine disruptor, capable of interfering with the normal functioning of hormones within the body by mimicking the effects of estrogen. Drinking water is one of the most common pathways of exposure to BPA as it can permeate plastic products and other materials, entering water sources. This article presents a comprehensive overview of BPA, including its incidence, origins, environmental fate, its impact on human health, and the role of fungi in the biodegradation of BPA. Fungi are natural decomposers, capable of breaking down organic compounds, including BPA, under suitable conditions. Studies have demonstrated that specific species of fungi can effectively biodegrade BPA. Some fungi utilize ligninolytic enzymes, such as laccases and peroxidases, to break down the phenolic rings of BPA. Other fungi employ non-ligninolytic enzymes, such as esterases and hydrolases, to cleave the ester linkages in BPA. Furthermore, some fungi can break down BPA via cometabolic pathways, whereby the chemical is degraded as a side reaction to the degradation of another substrate. The use of immobilized enzymes for BPA degradation has also demonstrated potential. Immobilized enzymes are those that are attached to a solid support, such as a polymer or matrix, allowing them to be used multiple times and enhance their stability and catalytic activity
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This review surveys fungi capable of biodegrading various types of plastic polymers, summarizing the enzymatic mechanisms and fungal species most effective at breaking down plastic waste. Researchers highlight fungal biodegradation as a promising but underexplored strategy for addressing plastic pollution, particularly for types of plastic that resist bacterial degradation.
Fungal Bioremediation of Microplastics
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This review examines how fungi can be used for bioremediation of plastic pollution, covering the enzymes and metabolic pathways involved in fungal plastic degradation. Fungal approaches complement bacterial strategies and may offer unique capabilities for breaking down certain types of plastics in contaminated environments.
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This review highlights fungi as an underexplored but promising tool for breaking down microplastics in the environment, noting that fungal enzymes can degrade plastics that bacteria struggle with. As conventional physical and chemical methods fall short of addressing the scale of microplastic pollution, fungal biodegradation could offer a practical, scalable complement to existing cleanup strategies.
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This review examines the potential of fungi to break down petroleum-based plastics, highlighting their unique ability to produce enzymes capable of degrading complex polymers. Researchers found that certain fungal species can use plastic materials as their sole carbon and energy source, offering a promising biological approach to plastic waste remediation. The study calls for further research on novel fungal isolates and molecular techniques to enhance plastic biodegradation processes.
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