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Wastewater contamination in Antarctic melt-water streams evidenced by virological and organic molecular markers.
Tort, L F L; Iglesias, K; Bueno, C; Lizasoain, A; Salvo, M; Cristina, J; Kandratavicius, N; Pérez, L; Figueira, R; Bícego, M C; Taniguchi, S; Venturini, N; Brugnoli, E; Colina, R; Victoria, M.
Afiliação
  • Tort LFL; Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay.
  • Iglesias K; Laboratorio de Biogeoquímica Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay.
  • Bueno C; Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay.
  • Lizasoain A; Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay.
  • Salvo M; Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay.
  • Cristina J; Laboratorio de Virología Molecular, Centro de Investigaciones Nucleares, Facultad de Ciencias, Universidad de la República, Mataojo 2055, Montevideo (11400) Uruguay.
  • Kandratavicius N; Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay.
  • Pérez L; Centro Universitario de la Regional Este, Universidad de la República, Ruta 9 y Ruta 15, Rocha, Uruguay.
  • Figueira R; Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil.
  • Bícego MC; Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil.
  • Taniguchi S; Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil.
  • Venturini N; Laboratorio de Biogeoquímica Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay.
  • Brugnoli E; Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay.
  • Colina R; Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay.
  • Victoria M; Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay. Electronic address: mvictoria@unorte.edu.uy.
Sci Total Environ ; 609: 225-231, 2017 Dec 31.
Article em En | MEDLINE | ID: mdl-28743008
Human activities in the Antarctica including tourism and scientific research have been raised substantially in the last century with the concomitant impact on the Antarctic ecosystems through the release of wastewater mainly from different scientific stations activities. The aim of this study was to assess the wastewater contamination of surface waters and sediments of three melt-water streams (11 sites) by leaking septic tanks located in the vicinity of the Uruguayan Scientific Station in the Fildes Peninsula, King George Island, Antarctica, during summer 2015. For this purpose, we combined the analysis of fecal steroids in sediments by using gas chromatography and six enteric viruses in surface waters by quantitative and qualitative PCR. Coprostanol concentrations (from 0.03 to 3.31µgg-1) and fecal steroids diagnostic ratios indicated that stations C7 and C8 located in the kitchen stream presented sewage contamination. Rotavirus was the only enteric virus detected in five sites with concentration ranging from 1.2×105gcL-1 to 5.1×105gcL-1 being three of them located downstream from the leaking AINA and Kitchen septic tanks. This study shows for the first time the presence of both virological and molecular biomarkers of wastewater pollution in surface waters and sediments of three melt-water streams in the vicinity of a scientific station in the Antarctica. These results highlight the importance of the complementation of these biomarkers in two different matrices (surface waters and sediments) to assess wastewater pollution in an Antarctic environment related to anthropogenic activities in the area.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Esgotos / Monitoramento Ambiental / Rotavirus / Sedimentos Geológicos / Águas Residuárias Idioma: En Ano de publicação: 2017 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Esgotos / Monitoramento Ambiental / Rotavirus / Sedimentos Geológicos / Águas Residuárias Idioma: En Ano de publicação: 2017 Tipo de documento: Article