Effects of Crude Oil on Marine Microbial Communities in Short Term Outdoor Microcosms
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Title
- Effects of Crude Oil on Marine Microbial Communities in Short Term Outdoor Microcosms
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Author(s)
- Jung, Seung Won; Park, Joon Sang; Kown, Oh Youn; Kang, Jung-Hoon; Shim, Won Joon; Kim, Young-Ok
- KIOST Author(s)
- Jung, Seung Won(정승원); Kang, Jung Hoon(강정훈); Shim, Won Joon(심원준); Kim, Young Ok(김영옥)
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Alternative Author(s)
- 정승원; 권오윤; 강정훈; 심원준; 김영옥
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Publication Year
- 2010-10
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Abstract
- To assess the effects of crude oil spills on marine microbial communities, 10 L outdoor microcosms were manipulated over an exposure period of 8 days. The responses of microbial organisms exposed to five crude oil concentrations in 10 to 10,000 ppm (v/v) were monitored in the microcosms. The abundance of microalgae and copepods decreased rapidly upon the addition of crude oil at concentrations over 1,000 ppm, whereas the total density of heterotrophic bacteria increased dramatically at the higher concentrations. Bacterial diversity, determined by denaturing gradient gel electrophoresis, was increased at higher concentrations. In particular, the intensity of the bands representing Jannaschia sp. and Sulfitobacter brevis increased with the addition of oil. These results indicate that crude oil spills with concentrations over 1,000 ppm seriously affected the structure of the microbial communities.
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ISSN
- 1225-8873
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/38904
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DOI
- 10.1007/s12275-010-0199-2
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Bibliographic Citation
- JOURNAL OF MICROBIOLOGY, v.48, no.5, pp.594 - 600, 2010
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Publisher
- MICROBIOLOGICAL SOCIETY KOREA
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Keywords
- DGGE; microbial communities; microcosm; oil spills; pollution effects; risk assessment
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Type
- Article
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Language
- English
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Document Type
- Article
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