Biodegradation of Bisphenol A and Related Compounds by Sphingomonas sp. Strain BP-7 Isolated from Seawater
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概要
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A bacterium capable of assimilating 2,2-bis(4-hydroxyphenyl)propane (bisphenol A), strain BP-7, was isolated from offshore seawater samples on a medium containing bisphenol A as sole source of carbon and energy, and identified as Sphingomonas sp. strain BP-7. Other strains, Pseudomonas sp. strain BP-14, Pseudomonas sp. strain BP-15, and strain no. 24A, were also isolated from bisphenol A-enrichment culture of the seawater. These strains did not degrade bisphenol A, but accelerated the degradation of bisphenol A by Sphingomonas sp. strain BP-7. A mixed culture of Sphingomonas sp. strain BP-7 and Pseudomonas sp. strain BP-14 showed complete degradation of 100 ppm bisphenol A within 7 d in SSB-YE medium, while Sphingomonas sp. strain BP-7 alone took about 40 d for complete consumption of bisphenol A accompanied by accumulation of 4-hydroxyacetophenone. On a nutritional supplementary medium, Sphingomonas sp. strain BP-7 completely degraded bisphenol A and 4-hydroxyacetophenone within 20 h. The strain degraded a variety of bisphenols, such as 1,1-bis(4-hydroxyphenyl)ethane, 2,2-bis(4-hydroxy-3-methylphenyl)propane, 2,2-bis(4-hydroxyphenyl)butane, and 1,1-bis(4-hydroxyphenyl)cyclohexane, and hydroxy aromatic compounds such as 4-hydroxyacetophenone, 4-hydroxybenzoic acid, catechol, protocatechuic acid, and hydroquinone. The strain did not degrade bis(4-hydroxyphenyl)methane, bis(4-hydroxyphenyl)sulfone, or bis(4-hydroxyphenyl)sulfide.
- 社団法人 日本農芸化学会の論文
- 2007-01-23
著者
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Ohmoto T
Environmental Technol. Res. Div. Osaka Municipal Technical Res. Inst.
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Ohmoto Takashi
Department Of Neurological Surgery Okayama University Medical School
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Yamanaka Hayato
Department Of Synthetic Chemistry And Biological Chemmistry Graduate School Of Engineering Kyoto Uni
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Ohe Tatsuhiko
Department Of Environmental Technology Osaka Municipal Technical Research Institute
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Ohe Tatsuhiko
Department Of Biochemistry Osaka Municipal Technical Research Institute
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MORIYOSHI Kunihiko
Department of Biochemistry, Osaka Municipal Technical Research Institute
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Sakai Kiyofumi
Department Of Biochemistry Osaka Municipal Technical Research Institute
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Moriyoshi Kunihiko
Environmental Technology Research Division Osaka Municipal Technical Research Institute
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Ohmoto Taichi
Environmental Technology Research Division Osaka Municipal Technical Research Institute
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Ohmoto Takashi
Department Of Neurological Surgery Kagawa Medical School
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OHMOTO Takashi
Department of Environmental Technology, Osaka Municipal Technical Research Institute
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YAMANAKA Hayato
Department of Environmental Technology, Osaka Municipal Technical Research Institute
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