PMID: 15382856Sep 24, 2004Paper

Anaerobic microbial reductive dechlorination of tetrachloroethene to predominately trans-1,2-dichloroethene

Environmental Science & Technology
Benjamin M GriffinFrank E Löffler

Abstract

While most sites and all characterized PCE and TCE dechlorinating anaerobic bacteria produce cis-DCE as the major DCE isomer, significant amounts of trans-DCE are found in the environment. We have obtained microcosms from some sites and enrichment cultures that produce more trans-DCE than cis-DCE. These cultures reductively dechlorinated PCE and TCE to trans-DCE and cis-DCE simultaneously and in a ratio of 3(+/-0.5):1 that was stable through serial transfers with a variety of electron donors and occurred in both methanogenic and nonmethanogenic enrichments. Two sediment-free, nonmethanogenic enrichment cultures produced trans-DCE at rates of up to 2.5 micromol L(-1) day(-1). Dehalococcoides populations were detected in both trans-DCE producing cultures by their 16S rRNA gene sequences, and trans-DCE was produced in the presence of ampicillin. Because trans-DCE can be the major product from PCE and TCE microbial dechlorination, high fractions of trans-DCE at chloroethene-contaminated sites are not necessarily from source contamination.

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Citations

Apr 28, 2006·Applied Microbiology and Biotechnology·Vijai K ElangoBabu Z Fathepure
Dec 15, 2010·Applied Microbiology and Biotechnology·Katia Rouzeau-SzynalskiChristof Holliger
Feb 21, 2013·Environmental Science and Pollution Research International·Irene KranziochAndreas Tiehm
Dec 7, 2010·Nature Reviews. Microbiology·Radhakrishnan MahadevanDerek R Lovley
May 29, 2012·Applied and Environmental Microbiology·Marie J ManchesterElizabeth A Edwards
Nov 5, 2005·Applied and Environmental Microbiology·David R JohnsonLisa Alvarez-Cohen
Apr 7, 2006·Applied and Environmental Microbiology·Kirsti M RitalahtiFrank E Löffler
May 24, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Stefan CretnikMartin Elsner
Mar 6, 2008·Environmental Microbiology·Sandra Kittelmann, Michael W Friedrich
Dec 14, 2011·Ground Water·Morris L MasliaSusan M Moore
Jun 6, 2006·Journal of Microbiological Methods·Hilde Van RaemdonckNico Boon
Oct 11, 2015·Applied and Environmental Microbiology·Olivia MolendaElizabeth A Edwards
Jun 13, 2009·Journal of Industrial Microbiology & Biotechnology·Simon VainbergRobert J Steffan
Feb 19, 2017·Applied Microbiology and Biotechnology·Babur S MirzaJoan E McLean
Jan 7, 2021·Environmental Science and Pollution Research International·Parisa Ebrahimbabaie, John Pichtel

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