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Fate of environmental pollutants
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This annual review summarizes 2018 research on the occurrence and fate of environmental pollutants in wastewater, including antibiotic resistance genes, disinfection byproducts, and microplastics. Wastewater treatment plants are a major pathway for microplastics to enter the environment, making this literature critical for pollution control.
Abstract This annual review covers the literature published in 2018 on topics related to the occurrence and fate of environmental pollutants in wastewater. Due to the vast amount of literature published on this topic, we have discussed only a portion of the quality research publications, due to the limitation of space. The abstract search was carried out using Web of Science, and the abstracts were selected based on their relevance. In a few cases, full‐text articles were referred to understand new findings better. This review is divided into the following sections: antibiotic‐resistant bacteria (ARBs) and antibiotic‐resistant genes (ARGs), disinfection by‐products (DBPs), drugs of abuse (DoAs), estrogens, heavy metals, microplastics, per‐ and polyfluoroalkyl compounds (PFAS), pesticides, and pharmaceuticals and personal care products (PPCPs), with the addition of two new classes of pollutants to previous years (DoAs and PFAS).
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This review explores how microplastics and antibiotic resistance genes interact in wastewater treatment plants, where they can survive treatment and enter the environment together. The concern for human health is that these contaminants can travel through the food chain, potentially increasing illness from antibiotic-resistant infections.
Fate of Environmental Pollutants
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Contribution of microplastic particles to the spread of resistances and pathogenic bacteria in treated wastewaters
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Researchers studied microplastic particles collected from treated wastewater effluents and found that MPs harbored significantly higher loads of antibiotic resistance genes and pathogenic bacteria compared to surrounding water, suggesting MPs facilitate their environmental spread.
Antibiotic resistance genes, antibiotic residues, and microplastics in influent and effluent wastewater from treatment plants in Norway, Iceland, and Finland
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Researchers analyzed antibiotic resistance genes, antibiotic residues, and microplastics in wastewater from treatment plants in Norway, Iceland, and Finland. They found that many resistance genes were carried on mobile DNA elements that can spread between bacteria, and that polyethylene microplastics were the dominant plastic type present. The study shows that even in countries with advanced wastewater treatment, microplastics and antibiotic resistance genes can persist and be released into the environment.
Interactions of microplastics, antibiotics and antibiotic resistant genes within WWTPs
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This review examined the interactions between microplastics, antibiotics, and antibiotic resistance genes within wastewater treatment plants, analyzing how MPs serve as carriers for antimicrobial compounds and facilitate the spread of resistance in microbial communities.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.