Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems
Many surface water systems are impacted by point source pollution from sewage discharges and industrial wastes, as well as diffuse pollution from agriculture and livestock farming, inducing a potential biohazard to human, animal, and environmental health. This study aimed to determine the presen...
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| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Artículo publishedVersion |
| Lenguaje: | Inglés |
| Publicado: |
Springer heidelberg
2025
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| Acceso en línea: | http://repositorio.unnoba.edu.ar/xmlui/handle/23601/926 |
| Aporte de: |
| id |
I103-R405-23601-926 |
|---|---|
| record_format |
dspace |
| institution |
Universidad Nacional del Noroeste de la Provincia de Buenos Aires |
| institution_str |
I-103 |
| repository_str |
R-405 |
| collection |
Re DI Repositorio Digital UNNOBA |
| language |
Inglés |
| topic |
Aquatic systems Physical parameters Chemical parameters Microbial quality Diarrhoeagenic escherichia coli Antimicrobial susceptibility |
| spellingShingle |
Aquatic systems Physical parameters Chemical parameters Microbial quality Diarrhoeagenic escherichia coli Antimicrobial susceptibility Nuozzi, Guillermina Chinen, Isabel Miliwebsky, Sandra Elizabeth Bianchelli, Julieta Manfredi, Eduardo Sagua, Mara Schesi, Clara Florencia Latorre, Daiana Maiztegui, Cynthia Gabriela Gentiluomo, Jimena Carbonari, Carolina Quiroga, María Pía Schiaffino, María Romina Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| topic_facet |
Aquatic systems Physical parameters Chemical parameters Microbial quality Diarrhoeagenic escherichia coli Antimicrobial susceptibility |
| description |
Many surface water systems are impacted by point source pollution from sewage discharges and industrial wastes, as well as
diffuse pollution from agriculture and livestock farming, inducing a potential biohazard to human, animal, and environmental
health. This study aimed to determine the presence of diarrhoeagenic Escherichia coli (DEC) pathotypes and their antibiotic
resistance, as well as the bacteriological, physical, and chemical water quality conditions in two Pampean peri-urban rivers
(Rojas and Salado rivers, Buenos Aires, Argentina) used for recreation. Additionally, we explored the impact of the surrounding
land use on the water quality. In the Rojas (R) and Salado (S) rivers, wastewater discharges from treatment plants increased
nutrient content and coliform abundances at specific sampling sites (R2 and S3) and downstream (R3 and S4, respectively).
Coliform abundances correlated with ammoniacal nitrogen concentrations, both exceeding recreational use guidelines. Out
of 36 samples positive for DEC virulence factors, 11 DEC strains were isolated (5 enteroaggregative, 3 enteropathogenic, 1
shigatoxigenic-stx1/stx2, 1 shigatoxigenic-stx2, 1 hybrid enteroaggregative-enterotoxigenic). Six strains were resistant to one
or more antibiotics. Our results suggest that differences in E. coli pathotypes between the two rivers and the water quality of
each sampling site are linked to the surrounding land use, evidencing both diffuse and point source pollution. |
| author2 |
0000-0003-1554-0432 |
| author_facet |
0000-0003-1554-0432 Nuozzi, Guillermina Chinen, Isabel Miliwebsky, Sandra Elizabeth Bianchelli, Julieta Manfredi, Eduardo Sagua, Mara Schesi, Clara Florencia Latorre, Daiana Maiztegui, Cynthia Gabriela Gentiluomo, Jimena Carbonari, Carolina Quiroga, María Pía Schiaffino, María Romina |
| format |
Artículo Artículo publishedVersion Artículo Artículo publishedVersion Artículo Artículo publishedVersion |
| author |
Nuozzi, Guillermina Chinen, Isabel Miliwebsky, Sandra Elizabeth Bianchelli, Julieta Manfredi, Eduardo Sagua, Mara Schesi, Clara Florencia Latorre, Daiana Maiztegui, Cynthia Gabriela Gentiluomo, Jimena Carbonari, Carolina Quiroga, María Pía Schiaffino, María Romina |
| author_sort |
Nuozzi, Guillermina |
| title |
Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| title_short |
Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| title_full |
Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| title_fullStr |
Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| title_full_unstemmed |
Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems |
| title_sort |
water quality and diarrhoeagenic escherichia coli detection in surface pampean aquatic systems |
| publisher |
Springer heidelberg |
| publishDate |
2025 |
| url |
http://repositorio.unnoba.edu.ar/xmlui/handle/23601/926 |
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I103-R405-23601-9262025-07-10T17:20:16Z Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems Nuozzi, Guillermina Chinen, Isabel Miliwebsky, Sandra Elizabeth Bianchelli, Julieta Manfredi, Eduardo Sagua, Mara Schesi, Clara Florencia Latorre, Daiana Maiztegui, Cynthia Gabriela Gentiluomo, Jimena Carbonari, Carolina Quiroga, María Pía Schiaffino, María Romina 0000-0003-1554-0432 Aquatic systems Physical parameters Chemical parameters Microbial quality Diarrhoeagenic escherichia coli Antimicrobial susceptibility Many surface water systems are impacted by point source pollution from sewage discharges and industrial wastes, as well as diffuse pollution from agriculture and livestock farming, inducing a potential biohazard to human, animal, and environmental health. This study aimed to determine the presence of diarrhoeagenic Escherichia coli (DEC) pathotypes and their antibiotic resistance, as well as the bacteriological, physical, and chemical water quality conditions in two Pampean peri-urban rivers (Rojas and Salado rivers, Buenos Aires, Argentina) used for recreation. Additionally, we explored the impact of the surrounding land use on the water quality. In the Rojas (R) and Salado (S) rivers, wastewater discharges from treatment plants increased nutrient content and coliform abundances at specific sampling sites (R2 and S3) and downstream (R3 and S4, respectively). Coliform abundances correlated with ammoniacal nitrogen concentrations, both exceeding recreational use guidelines. Out of 36 samples positive for DEC virulence factors, 11 DEC strains were isolated (5 enteroaggregative, 3 enteropathogenic, 1 shigatoxigenic-stx1/stx2, 1 shigatoxigenic-stx2, 1 hybrid enteroaggregative-enterotoxigenic). Six strains were resistant to one or more antibiotics. Our results suggest that differences in E. coli pathotypes between the two rivers and the water quality of each sampling site are linked to the surrounding land use, evidencing both diffuse and point source pollution. Fil: Nuozzi, Guillermina. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Departamento de Ciencias Básicas y Experimentales; Argentina. Fil: Sagua, Mara. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Departamento de Ciencias Básicas y Experimentales; Argentina. Fil: Schiaffino, María Romina. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Departamento de Ciencias Básicas y Experimentales; Argentina. Fil: Latorre, Daiana. Centro de Investigaciones y Transferencia del Noroeste de La Provincia de Buenos Aires; Argentina. Fil: Chinen, Isabel. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Miliwebsky, Sandra Elizabeth. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Manfredi, Eduardo.Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Schesi, Clara Florencia. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Maiztegui, Cynthia Gabriela. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Gentiluomo, Jimena. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Carbonari, Carolina. Administración Nacional de Laboratorios e Institutos de Salud “Dr. Carlos G. Malbrán”. Instituto Nacional de Enfermedades Infecciosas. Departamento de Bacteriología. Servicio de Fisiopatogenia; Argentina. Fil: Bianchelli, Julieta. Instituto de Investigación en Biomedicina de Buenos Aires, Partner Institute of the Max Planck Society ; Argentina. Fil: Quiroga, María Pía. Comisión de Investigaciones Científicas de la Provincia de Buenos Aires; Argentina. Con referato 2025-07-10T15:58:28Z 2025-07-10T15:58:28Z 2025-02-26 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion Nuozzi G., Chinen I., Miliwebsky E.S., Bianchelli J., Manfredi E., Sagua M., Schesi C.F., Latorre D., Maiztegui C.G., Gentiluomo J., Carbonari C.C., Quiroga M.P., Schiaffino M.R. (2025). Water quality and diarrhoeagenic Escherichia coli detection in surface Pampean aquatic systems. Environ Sci Pollut Res Int, 32(13), 8462-8480. doi: 10.1007/s11356-025-36205-w 0944-1344 http://repositorio.unnoba.edu.ar/xmlui/handle/23601/926 eng info:eu-repo/grantAgreement/ANPCyT/PICTO /2019–0006/Junín BuenosAires/PICTO info:eu-repo/grantAgreement/Universidad Nacional del Noroeste de la Provincia de Buenos Aires /SIB 2019–0575/ SIB 2022–2053/Junín Buenos Aires/SIB info:eu-repo/grantAgreement/ International Society of Limnology/Tonolli Fund Award /2012/ Junín Buenos Aires/ Tonolli Fund of SIL http://dx.doi.org/10.1007/s11356-025-36205-w info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ application/pdf application/pdf application/vnd.openxmlformats-officedocument.wordprocessingml.document Springer heidelberg Environmental Science and Pollution Research |