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Presence of Micro- and Nanoplastics Affects Degradation of Chlorinated Solvents. [PDF]
ToxicsKara Murdoch F +8 more
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Regulation of organohalide respiration
Advances in Microbial Physiology, 2019 Organohalide respiration (OHR) is an anaerobic metabolism by which bacteria conserve energy with the use of halogenated compounds as terminal electron acceptors. Genes involved in OHR are organized in reductive dehalogenase (rdh) gene clusters and can be found in relatively high copy numbers in the genomes of organohalide-respiring bacteria (OHRB). The
Julien Maillard +1 more
exaly +6 more sources
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Organohalide Respiration with Diclofenac by Dehalogenimonas
Environmental Science & Technology, 2022Diclofenac (DCF) is a pharmaceutically active contaminant frequently found in aquatic ecosystems. The transformation pathways and microbiology involved in the biodegradation of DCF, particularly under anoxic conditions, remain poorly understood. Here, we demonstrated microbially mediated reductive dechlorination of DCF in anaerobic enrichment culture ...
Xiuying Li +7 more
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Structural basis for organohalide respiration
Science, 2014How bacteria break down organohalides Anaerobic bacteria can break down a range of organohalide pollutants. To do so, they use unusual reductive dehalogenase enzymes that remove the halogen ion from the molecule, making the pollutants less toxic. Bommer et al. describe x-ray
Martin Bommer +2 more
exaly +4 more sources
Glucose facilitates the acclimation of organohalide-respiring bacteria
Journal of Hazardous Materials, 2023Organohalide respiring bacteria (OHRB) are the mainstay for bioremediation of organohalide contaminated sites. Enrichment screening of OHRB is prerequisite for the development of high performance dehalogenating bacterial agents. Herein, different domestication strategies were formulated for the main factors (nutrients and inocula) affecting the ...
Xuemei, Zhu +6 more
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Genomic insights into organohalide respiration
Current Opinion in Biotechnology, 2013In the last few years there has been a burst of genomes released for organohalide respiring bacteria (referred to as OHRB herein though the process is otherwise known as dehalorespiration, reductive dechlorination, or halorespiration). The microorganisms are employed in bioremediation of sites contaminated with chlorinated ethene, ethane, and methanes,
exaly +3 more sources
Science of the Total Environment, 2020
Halogenated compounds such as polychlorinated biphenyl (PCBs) and polybrominated diphenyl ethers (PBDEs) enter wastewater treatment plants (WWTPs) via the sewage system. These organic contaminants partition between the aqueous and the biosolid phase, where the former is discharged as wastewater effluent.
Ran Jing, Birthe V Kjellerup
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Halogenated compounds such as polychlorinated biphenyl (PCBs) and polybrominated diphenyl ethers (PBDEs) enter wastewater treatment plants (WWTPs) via the sewage system. These organic contaminants partition between the aqueous and the biosolid phase, where the former is discharged as wastewater effluent.
Ran Jing, Birthe V Kjellerup
exaly +3 more sources
Overview of organohalide-respiring bacteria and a proposal for a classification system for reductive dehalogenases [PDF]
Philosophical Transactions of the Royal Society B: Biological Sciences, 2013 Organohalide respiration is an anaerobic bacterial respiratory process that uses halogenated hydrocarbons as terminal electron acceptors during electron transport-based energy conservation. This dechlorination process has triggered considerable interest for detoxification of anthropogenic groundwater contaminants.
Laura A Hug +2 more
exaly +3 more sources
Isotopic effects of PCE induced by organohalide-respiring bacteria
Environmental Science and Pollution Research, 2017Reductive dechlorination performed by organohalide-respiring bacteria (OHRB) enables the complete detoxification of certain emerging groundwater pollutants such as perchloroethene (PCE). Environmental samples from a contaminated site incubated in a lab-scale microcosm (MC) study enable documentation of such reductive dechlorination processes.
Simon Leitner +4 more
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