Emerging contaminants in sediment core from the Iron Gate I Reservoir on the Danube River

Bujagić, Ivana Matić; Grujić, Svetlana; Laušević, Mila; Hofmann, Thilo; Micić, Vesna

doi:10.1016/j.scitotenv.2019.01.205

Cited by 29 publications

(18 citation statements)

References 56 publications

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“…From an ecological point of view, the release into the environment of vertebrate steroids, such as androgens, estrogens, progestogens, cholesterol, and bile acids, during excreta or decomposition of biomass is constantly occurring [16,17,18,19,20,21,22]. In addition, not only natural steroids are released.…”

Section: Introductionmentioning

confidence: 99%

Steroids as Environmental Compounds Recalcitrant to Degradation: Genetic Mechanisms of Bacterial Biodegradation Pathways

Olivera

Luengo

2019

Genes

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Steroids are perhydro-1,2-cyclopentanophenanthrene derivatives that are almost exclusively synthesised by eukaryotic organisms. Since the start of the Anthropocene, the presence of these molecules, as well as related synthetic compounds (ethinylestradiol, dexamethasone, and others), has increased in different habitats due to farm and municipal effluents and discharge from the pharmaceutical industry. In addition, the highly hydrophobic nature of these molecules, as well as the absence of functional groups, makes them highly resistant to biodegradation. However, some environmental bacteria are able to modify or mineralise these compounds. Although steroid-metabolising bacteria have been isolated since the beginning of the 20th century, the genetics and catabolic pathways used have only been characterised in model organisms in the last few decades. Here, the metabolic alternatives used by different bacteria to metabolise steroids (e.g., cholesterol, bile acids, testosterone, and other steroid hormones), as well as the organisation and conservation of the genes involved, are reviewed.

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Section: Introductionmentioning

confidence: 99%

Steroids as Environmental Compounds Recalcitrant to Degradation: Genetic Mechanisms of Bacterial Biodegradation Pathways

Olivera

Luengo

2019

Genes

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“…Matic Bujagic, Grujic, Lausevic, Hofmann, and Micic (2019) reported up to 36 ng/g of pharmaceuticals such as sulfamethoxazole, erythromycin, linuron, and carbendazim, in the coarser sediment cores of the Iron Gate I Reservoir, the largest impoundment on the Danube River that may have entered the reservoir during high discharge events and could be potentially toxic to the benthic population. In the Thames River, United Kingdom, during high flow periods, White, Lapworth, Civil, and Williams (2019) detected pharmaceuticals such as erythromycin, clarithromycin, and azithromycin ranging from 0.0012 to 10.24 µg/L.…”

Section: Pharmaceutical Fate and Occurrencementioning

confidence: 99%

Detection, occurrence, and fate of emerging contaminants in agricultural environments (2020)

Snow

Cassada

Biswas

et al. 2020

Water Environment Research

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A review of 79 papers published in 2019 is presented. The topics ranged from detailed descriptions of analytical methods, to fate and occurrence studies, to ecological effects and sampling techniques for a wide variety of emerging contaminants likely to occur in agricultural environments. New methods and studies on veterinary pharmaceuticals, antibiotics, anthelmintics, and engineered nanomaterials in agricultural environments continue to expand our knowledge base on the occurrence and potential impacts of these compounds. This review is divided into the following sections: Introduction, Analytical Methods, Antibiotics in Agroecosystems, Pharmaceutical Fate and Occurrence, Anthelmintics and Engineered Nanomaterials.

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“…They concluded that metabolism is responsible for the discrepancy and that higher molecular weight PCB congeners preferentially partitions into the biota. Matić Bujagić, Grujić, Laušević, Hofmann, and Micić (2019) collected sediment samples from the Iron Gate I Reservoir on the Danube River (Romania), analyzed them for four categories of contaminants of emerging concern and assessed whether they may pose risk to benthic biota. The highest potential risk was anticipated from the antibiotics erythromycin and sulfamethoxazole, and pesticides carbendazim, linuron, and malathion.…”

Section: Forensicsmentioning

confidence: 99%

Contaminated aquatic sediments

Jaglal¹

2020

Water Environment Research

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Jawed and Krantzberg (2019) identified best practices to follow when remediating sediment sites based on experience gained at the Randle Reef Site in Ontario, Canada. The authors identify a list of challenges to overcome that fall under a broad series of headings that include issues associated with social, regulatory, political, and technical topics. Bianchini, Cento, Guzzini, Pellegrini, and Saccani (2019) reviewed more than 150 historical articles, written over the previous 50 years, to identify alternative

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Emerging contaminants in sediment core from the Iron Gate I Reservoir on the Danube River

Cited by 29 publications

References 56 publications

Steroids as Environmental Compounds Recalcitrant to Degradation: Genetic Mechanisms of Bacterial Biodegradation Pathways

Steroids as Environmental Compounds Recalcitrant to Degradation: Genetic Mechanisms of Bacterial Biodegradation Pathways

Detection, occurrence, and fate of emerging contaminants in agricultural environments (2020)

Contaminated aquatic sediments

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