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Article

Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community

1
Water Research Institute, National Research Council (IRSA-CNR), 00010 Rome, Italy
2
Institute of Polar Sciences, National Research Council (ISP-CNR), 00010 Rome, Italy
3
Institute of Enzymology, Research Centre for Natural Science Budapest, 1117 Budapest, Hungary
4
Institute of Experimental Medicine, H-1450 Budapest, Hungary
*
Author to whom correspondence should be addressed.
Academic Editors: Lingzhan Miao and Jun Hou
Water 2021, 13(23), 3402; https://doi.org/10.3390/w13233402
Received: 27 October 2021 / Revised: 25 November 2021 / Accepted: 30 November 2021 / Published: 2 December 2021
River contamination is due to a chemical mixture of point and diffuse pollution, which can compromise water quality. Polycyclic Aromatic Hydrocarbons (PAHs) and emerging compounds such as pharmaceuticals and antibiotics are frequently found in rivers flowing through big cities. This work evaluated the presence of fifteen priority PAHs, eight pharmaceuticals including the antibiotics ciprofloxacin (CIP) and sulfamethoxazole (SMX), together with their main antibiotic resistant genes (ARGs) and the structure of the natural bacterioplankton community, in an urbanized stretch of the river Danube. SMX and diclofenac were the most abundant chemicals found (up to 20 ng/L). ARGs were also found to be detected as ubiquitous contaminants. A principal component analysis of the overall microbiological and chemical data revealed which contaminants were correlated with the presence of certain bacterial groups. The highest concentrations of naphthalene were associated with Deltaproteobacteria and intI1 gene. Overall, the most contaminated site was inside the city and located immediately downstream of a wastewater treatment plant. However, both the sampling points before the river reached the city and in its southern suburban area were still affected by emerging and legacy contamination. The diffuse presence of antibiotics and ARGs causes particular concern because the river water is used for drinking purposes. View Full-Text
Keywords: PAHs; sulfamethoxazole; ciprofloxacin; antibiotic resistance genes; bacterioplankton community; surface water quality PAHs; sulfamethoxazole; ciprofloxacin; antibiotic resistance genes; bacterioplankton community; surface water quality
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MDPI and ACS Style

Visca, A.; Barra Caracciolo, A.; Grenni, P.; Rolando, L.; Mariani, L.; Rauseo, J.; Spataro, F.; Monostory, K.; Sperlagh, B.; Patrolecco, L. Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community. Water 2021, 13, 3402. https://doi.org/10.3390/w13233402

AMA Style

Visca A, Barra Caracciolo A, Grenni P, Rolando L, Mariani L, Rauseo J, Spataro F, Monostory K, Sperlagh B, Patrolecco L. Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community. Water. 2021; 13(23):3402. https://doi.org/10.3390/w13233402

Chicago/Turabian Style

Visca, Andrea, Anna Barra Caracciolo, Paola Grenni, Ludovica Rolando, Livia Mariani, Jasmin Rauseo, Francesca Spataro, Katalin Monostory, Beata Sperlagh, and Luisa Patrolecco. 2021. "Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community" Water 13, no. 23: 3402. https://doi.org/10.3390/w13233402

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