ArticleEnvironmental science and pollution research international2013
Dechlorination and organohalide-respiring bacteria dynamics in sediment samples of the Yangtze Three Gorges Reservoir.
Article in Environmental science and pollution research international, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Halogenation and Dehalogenation Potential of Microorganisms in Yangtze River Waters.Microorganisms · 2025Article
- Interaction between nitrate and trichloroethene bioreduction in mixed anaerobic cultures.Frontiers in microbiology · 2024Article
- Functional Genes and Bacterial Communities During Organohalide Respiration of Chloroethenes in Microcosms of Multi-Contaminated Groundwater.Frontiers in microbiology · 2019Article
- Microbial degradation of chloroethenes: a review.Environmental science and pollution research international · 2017Review
- Effects of 1,1,1-Trichloroethane and Triclocarban on Reductive Dechlorination of Trichloroethene in a TCE-Reducing Culture.Frontiers in microbiology · 2017Article
- Since 2015 the SinoGerman research project SIGN supports water quality improvement in the Taihu region, China.Environmental sciences Europe · 2016Article
- The roles of methanogens and acetogens in dechlorination of trichloroethene using different electron donors.Environmental science and pollution research international · 2015Article
- Abundance and diversity of bacteria in oxygen minimum drinking water reservoir sediments studied by quantitative PCR and pyrosequencing.Microbial ecology · 2015Article
- Chloroethene degradation and expression of Dehalococcoides dehalogenase genes in cultures originating from Yangtze sediments.Environmental science and pollution research international · 2015Article
- Processes and environmental quality in the Yangtze River system.Environmental science and pollution research international · 2013Article
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Authors and funding
10 authors.
Funding
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Abstract
Several groups of bacteria such as Dehalococcoides spp., Dehalobacter spp., Desulfomonile spp., Desulfuromonas spp., or Desulfitobacterium spp. are able to dehalogenate chlorinated pollutants such as chloroethenes, chlorobenzenes, or polychlorinated biphenyls under anaerobic conditions. In order to assess the dechlorination potential in Yangtze sediment samples, the presence and activity of the reductively dechlorinating bacteria were studied in anaerobic batch tests. Eighteen sediment samples were taken in the Three Gorges Reservoir catchment area of the Yangtze River, including the tributaries Jialing River, Daning River, and Xiangxi River. Polymerase chain reaction analysis indicated the presence of dechlorinating bacteria in most samples, with varying dechlorinating microbial community compositions at different sampling locations. Subsequently, anaerobic reductive dechlorination of tetrachloroethene (PCE) was tested after the addition of electron donors. Most cultures dechlorinated PCE completely to ethene via cis-dichloroethene (cis-DCE) or trans-dichloroethene. Dehalogenating activity corresponded to increasing numbers of Dehalobacter spp., Desulfomonile spp., Desulfitobacterium spp., or Dehalococcoides spp. If no bacteria of the genus Dehalococcoides spp. were present in the sediment, reductive dechlorination stopped at cis-DCE. Our results demonstrate the presence of viable dechlorinating bacteria in Yangtze samples, indicating their relevance for pollutant turnover.
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