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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Biodegradation of diphenyl ether and transformation of selected brominated congeners by Sphingomonas sp. PH-07
Applied Microbiology and Biotechnology, Volume 77, No. 1, Year 2007
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Description
Polybrominated diphenyl ethers (PBDEs) are common flame-retardant chemicals that are used in diverse commercial products such as textiles, circuit boards, and plastics. Because of the widespread production and improper disposal of materials that contain PBDEs, there has been an increasing accumulation of these compounds in the environment. The toxicity and bioavailability of PBDEs are variable for different congeners, with some congeners showing dioxin-like activities and estrogenicity. The diphenyl ether-utilizing bacterium Sphingomonas sp. PH-07 was enriched from activated sludge of a wastewater treatment plant. In liquid cultures, this strain mineralized 1 g of diphenyl ether per liter completely within 6 days. The metabolites detected and identified by gas chromatography/mass spectrometry (MS) and electrospray ionization/MS analysis corresponded with a feasible degradative pathway. However, the strain PH-07 even catabolized several brominated congeners such as mono-, di-, and tribrominated diphenyl ethers thereby producing the corresponding metabolites. © 2007 Springer-Verlag.
Authors & Co-Authors
Kim, Young Mo
South Korea, Pohang
Pohang University of Science and Technology
Nam, In-hyun
South Korea, Pohang
Pohang University of Science and Technology
Murugesan, Kumarasamy
South Korea, Pohang
Pohang University of Science and Technology
Schmidt, Stefan
Germany, Hamburg
Universität Hamburg
Yoon-Seok, Chang
South Korea, Pohang
Pohang University of Science and Technology
Statistics
Citations: 126
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1007/s00253-007-1129-z
ISSN:
01757598
Research Areas
Environmental