Bacterial communities associated with anaerobic debromination of decabromodiphenyl ether from mangrove sediment

Chu Wen Yang, Ching Chang Lee, His Ku, Bea Ven Chang

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)

摘要

This study evaluated decabromodiphenyl ether (BDE-209) anaerobic debromination and bacterial community changes in mangrove sediment. BDE-209 debromination rates were enhanced with zerovalent iron compared to without zerovalent iron in the sediment. BDE-209 debromination rates in microcosms constructed with sediments collected in autumn were higher than in microcosms constructed with sediments collected in spring and were higher at the Bali sampling site than the Guandu sampling site. The intermediate products resulting from the reductive debromination of BDE-209 in sediment were nona-BDE (BDE-206, BDE-207), octa-BDEs (BDE-196, BDE-197), hepta-BDEs (BDE-183, BDE-184, BDE-191), hexa-BDEs (BDE-137, BDE-138, BDE-154, BDE-157), penta-BDEs (BDE-85, BDE-99, BDE-100, BDE-126), tetra-BDEs (BDE-47, BDE-49, BDE-66, BDE-77), tri-BDEs (BDE-17, BDE-28), and di-BDEs (BDE-15). Fifty bacterial genera associated with BDE-209 debromination were identified. Overall, 12 of the 50 bacterial genera were reported to be involved in dehalogenation of aromatic compounds. These bacteria have high potential to be BDE-209 debromination bacteria. Different combinations of bacterial community composition exhibit different abilities for BDE-209 anaerobic debromination.

原文English
頁(從 - 到)5391-5403
頁數13
期刊Environmental Science and Pollution Research
24
發行號6
DOIs
出版狀態Published - 2017 2月 1

All Science Journal Classification (ASJC) codes

  • 環境化學
  • 污染
  • 健康、毒理學和誘變

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