Hydrocarbon degradation by Dietzia sp. A14101 isolated from an oil reservoir model column

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ID: 114391
2009
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Abstract
The hydrocarbon-degrading strain Dietzia sp. A14101 was isolated from an oil reservoir model column inoculated with oil-field bacteria. The column was continuously injected with nitrate (0.5 mM) from the start of water flooding, which lead to a gradual development of nitrate reduction in the column. Strain A14101 was able to utilize a range of aliphatic hydrocarbons as sole carbon and energy source during aerobic growth. Whole oil gas chromatography analysis of the crude oil phase from aerobic pure cultures showed that strain A14101 utilized the near complete range of aliphatic components and aromatic components toluene and xylene. Longer n-alkanes ≥C17 were utilized simultaneously with the shorter C10 and C15. After 120 days aerobic incubation, the whole oil gas chromatography profile of the crude oil phase was similar to that of heavily biodegraded oils. Anaerobic degradation of hydrocarbons with nitrate was not observed. Nitrate reduction was, however, observed during anaerobic growth on propionate, which suggests that strain A14101 grows on fatty acids in the column rather than on hydrocarbons.
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bødtker2009antoniehydrocarbon Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Gunhild Bødtker;Ina V. Hvidsten;Tanja Barth;Terje Torsvik;Gunhild Bødtker;Ina V. Hvidsten;Tanja Barth;Terje Torsvik;
Journal antonie van leeuwenhoek
Year 2009
DOI
doi:10.1007/s10482-009-9359-y
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