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Oil biodegradation. Water droplets in oil are microhabitats for microbial life.
Meckenstock, Rainer U; von Netzer, Frederick; Stumpp, Christine; Lueders, Tillmann; Himmelberg, Anne M; Hertkorn, Norbert; Schmitt-Kopplin, Philipp; Harir, Mourad; Hosein, Riad; Haque, Shirin; Schulze-Makuch, Dirk.
Afiliação
  • Meckenstock RU; Institute of Groundwater Ecology, Helmholtz Zentrum München, 85764 Neuherberg, Germany. rainer.meckenstock@uni-due.de.
  • von Netzer F; Institute of Groundwater Ecology, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Stumpp C; Institute of Groundwater Ecology, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Lueders T; Institute of Groundwater Ecology, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Himmelberg AM; Institute of Groundwater Ecology, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Hertkorn N; Research Unit Biogeochemistry, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Schmitt-Kopplin P; Research Unit Biogeochemistry, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Harir M; Research Unit Biogeochemistry, Helmholtz Zentrum München, 85764 Neuherberg, Germany.
  • Hosein R; Department of Chemistry, Faculty of Science and Agriculture, University of the West Indies, St. Augustine Campus, Trinidad and Tobago.
  • Haque S; Department of Physics, Faculty of Science and Agriculture, University of the West Indies, St. Augustine Campus, Trinidad and Tobago.
  • Schulze-Makuch D; School of the Environment, Washington State University, Pullman, WA 99164, USA. Center for Astronomy and Astrophysics, Technical University Berlin, 10623 Berlin, Germany.
Science ; 345(6197): 673-6, 2014 Aug 08.
Article em En | MEDLINE | ID: mdl-25104386
Anaerobic microbial degradation of hydrocarbons, typically occurring at the oil-water transition zone, influences the quality of oil reservoirs. In Pitch Lake, Trinidad and Tobago--the world's largest asphalt lake--we found that microorganisms are metabolically active in minuscule water droplets (1 to 3 microliters) entrapped in oil. Pyrotag sequencing of individual droplet microbiomes revealed complex methanogenic microbial communities actively degrading the oil into a diverse range of metabolites, as shown by nuclear magnetic resonance and Fourier transform ion cyclotron resonance mass spectrometry. High salinity and water-stable isotopes of the droplets indicate a deep subsurface origin. The 13.5% water content and the large surface area of the droplets represent an underestimated potential for biodegradation of oil away from the oil-water transition zone.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Bactérias / Microbiologia da Água / Petróleo / Lagos / Archaea / Microbiota País/Região como assunto: Caribe ingles / Trinidad y tobago Idioma: En Revista: Science Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Alemanha País de publicação: Estados Unidos
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Bactérias / Microbiologia da Água / Petróleo / Lagos / Archaea / Microbiota País/Região como assunto: Caribe ingles / Trinidad y tobago Idioma: En Revista: Science Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Alemanha País de publicação: Estados Unidos