Potential effects of bacterial communities on the formation of blooms of the harmful dinoflagellate Prorocentrum after the 2014 Texas City “Y” oil spill (USA)
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Title
- Potential effects of bacterial communities on the formation of blooms of the harmful dinoflagellate Prorocentrum after the 2014 Texas City “Y” oil spill (USA)
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Author(s)
- Park, Bum Soo; Erdner, Deana L.; Bacosa, Hernando P.; Liu, Zhanfei; Buskey, Edward J.
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Alternative Author(s)
- 박범수
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Publication Year
- 2020-05
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Abstract
- The association between phytoplankton blooms and oil spills is still controversial despite numerous studies. Surprisingly, to date, there have been no studies on the effect of bacterial communities (BCs) exposed to crude oil on phytoplankton growth, even though crude oil changes BCs, which can then affect phytoplankton growth and species composition. Co-culture with crude oil-exposed BCs significantly stimulated the growth of Prorocentrum texanum in the laboratory. To gain more direct evidence, oil-degrading bacteria from oil-contaminated sediment collected after the Texas City "Y" oil spill were isolated, and changes in dinoflagellate growth when co-cultured with single bacterial isolates was investigated. The oil-degrading bacterial isolates significantly stimulated the growth of dinoflagellates (axenic and xenic cultures) through releasing growth-promoting substances. This study provides new evidence for the potential role of oil-degrading bacteria in the formation of phytoplankton blooms after an oil spill.
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ISSN
- 1568-9883
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/40255
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DOI
- 10.1016/j.hal.2020.101802
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Bibliographic Citation
- Harmful Algae, v.95, 2020
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Publisher
- Elsevier BV
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Keywords
- Texas City "Y" oil spill; Prorocentrum blooms; Oil-degrading bacteria; Enhancing dinoflagellate growth; Association between harmful algal blooms and oil spills
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Type
- Article
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Language
- English
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Document Type
- Article
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