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Biotransformation of the flame retardant tetrabromobisphenol‐A (TBBPA) by freshwater microalgae

Peng, Fu‐Qiang ; Ying, Guang‐Guo ; Yang, Bin ; Liu, You‐Sheng ; Lai, Hua‐Jie ; Zhou, Guang‐Jie ; Chen, Jun ; Zhao, Jian‐Liang

Environmental toxicology and chemistry, 2014-08, Vol.33 (8), p.1705-1711 [Periódico revisado por pares]

United States: Pergamon

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Título:
Biotransformation of the flame retardant tetrabromobisphenol‐A (TBBPA) by freshwater microalgae
Autor: Peng, Fu‐Qiang ; Ying, Guang‐Guo ; Yang, Bin ; Liu, You‐Sheng ; Lai, Hua‐Jie ; Zhou, Guang‐Jie ; Chen, Jun ; Zhao, Jian‐Liang
Assuntos: Algae ; Aquatic ecology ; aquatic environment ; Biotransformation ; bromination ; Coelastrum ; Coelastrum sphaericum ; Degradation ; Ethers ; Flame retardants ; Flame Retardants - metabolism ; Flame Retardants - toxicity ; Fresh Water ; freshwater ; Freshwaters ; Glucosides ; Halogenation ; Land degradation ; mass spectrometry ; Metabolite ; microalgae ; Microalgae - drug effects ; Microalgae - growth & development ; Microalgae - metabolism ; Organic chemicals ; Polybrominated Biphenyls - chemistry ; Polybrominated Biphenyls - metabolism ; Polybrominated Biphenyls - toxicity ; Scenedesmus ; Scenedesmus quadricauda ; Tetrabromobisphenol-A (TBBPA) ; Toxicity ; Transformation ; Transformations
É parte de: Environmental toxicology and chemistry, 2014-08, Vol.33 (8), p.1705-1711
Notas: http://dx.doi.org/10.1002/etc.2589
NSFC - No. U1133005; No. 41273119; No. 41103057
ark:/67375/WNG-FRGCVXXW-C
istex:BD27F4D4757F8594524A2E73B7C849680EDE5773
Guangdong Natural Science Foundation - No. S2012040007592
ArticleID:ETC2589
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Tetrabromobisphenol‐A (TBBPA) is the most widely used brominated flame retardant. However, little is known about its biotransformation by algae in aquatic environments. The authors investigated transformations of TBBPA by 6 freshwater green microalgae and identified its transformation products. Transformation experiments were conducted under axenic conditions in a laboratory for 10 d. The results showed that TBBPA could be transformed by the selected microalgae, with nearly complete removal by Scenedesmus quadricauda and Coelastrum sphaericum following 10‐d incubation. Five transformation products were positively identified by mass spectrometry: TBBPA sulfate, TBBPA glucoside, sulfated TBBPA glucoside, TBBPA monomethyl ether, and tribromobisphenol‐A. The mechanisms involved in the biotransformation of TBBPA include sulfation, glucosylation, O‐methylation, and debromination, which could be an important step for its further degradation. This suggests that microalgae can play an important role in the fate of TBBPA in aquatic environments. The present study is the first report on algal transformation of TBBPA, and the proposed transformation products could have significant environmental implications. Environ Toxicol Chem 2014;33:1705–1711. © 2014 SETAC
Editor: United States: Pergamon
Idioma: Inglês

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Biotransformation of the flame retardant tetrabromobisphenol‐A (TBBPA) by freshwater microalgae

Peng, Fu‐Qiang ; Ying, Guang‐Guo ; Yang, Bin ; Liu, You‐Sheng ; Lai, Hua‐Jie ; Zhou, Guang‐Jie ; Chen, Jun ; Zhao, Jian‐Liang

United States: Pergamon

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