NDLI: 17α-ethinylestradiol cometabolism by bacteria degrading estrone, 17β-estradiol and estriol

Content Provider	Springer Nature Link
Author	Pauwels, Bram Wille, Klaas ppe, Herlinde Brabander, Hubert Wiele, Tom Verstraete, Willy Boon, Nico
Copyright Year	2008
Abstract	17α-ethinylestradiol (EE2), the active compound of the contraceptive pill, is a recalcitrant estrogen, which is encountered at ng/l levels in wastewater treatment plant (WWTP) effluents and rivers and can cause feminization of aquatic organisms. The aim of this study was to isolate micro-organisms that could remove such low EE2 concentrations. In this study, six bacterial strains were isolated from compost that cometabolize EE2 when metabolizing estrone (E1), 17β-estradiol (E2) and estriol (E3). The strains belong to the α, β and γ-Proteobacteria. All six strains metabolize E2 over E1, at μg/l to ng/l concentrations. In 4 days, initial concentrations of 0.5 μg E2/l and 0.6 μg EE2/l were degraded to 1.8 ± 0.4 ng E2/l and 85 ± 16 ng EE2/l, respectively. No other metabolites besides E1, E2, E3 or EE2 were detected, suggesting that total degradation and cleavage of the aromatic ring occurred. This is the first study describing that bacteria able to metabolize E2, can subsequently cometabolize EE2 at low μg/l levels.
Starting Page	683
Ending Page	693
Page Count	11
File Format	PDF
ISSN	09239820
Journal	Biodegradation
Volume Number	19
Issue Number	5
e-ISSN	15729729
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-01-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Estrogen Ethinylestradiol Cometabolism Acinetobacter sp. Pseudomonas sp. Waste Management/Waste Technology Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Terrestrial Pollution Geochemistry Soil Science & Conservation Microbiology
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Environmental Engineering Bioengineering Microbiology

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