ArticleEnvironmental science and pollution research international2016
Polychlorinated biphenyl (PCB) anaerobic degradation in marine sediments: microcosm study and role of autochthonous microbial communities.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 64 citations in OpenAlex.
- Enrichment of Aerobic and Anaerobic Hydrocarbon-Degrading Bacteria from Multicontaminated Marine Sediment in Mar Piccolo Site (Taranto, Italy).Microorganisms · 2023Article
- mibPOPdb: An online database for microbial biodegradation of persistent organic pollutants.iMeta · 2022Article
- Combined read- and assembly-based metagenomics to reconstruct a Dehalococcoides mccartyi genome from PCB-contaminated sediments and evaluate functional differences among organohalide-respiring consortia in the presence of different halogenated contaminants.FEMS microbiology ecology · 2022Article
- Concentrations, sources, and exposure risk of polychlorinated biphenyls in soil profiles of the floodplain of the lower reaches of the River Niger, Nigeria.Environmental monitoring and assessment · 2021Article
- Investigating the spatial distribution of polychlorinated biphenyls in sediment in the Pearl River Delta, South China.Environmental monitoring and assessment · 2021Article
- Direct Conversion of Food Waste Extract into Caproate: Metagenomics Assessment of Chain Elongation Process.Microorganisms · 2021Article
- Markers of polychlorinated biphenyl (PCB) degradation in highly contaminated soil of Central Russia.Environmental science and pollution research international · 2020Article
- Structure and diversity of native bacterial communities in soils contaminated with polychlorinated biphenyls.AMB Express · 2020Article
- The effect of redox capacity of humic acids on hexachlorobenzene dechlorination during the anaerobic digestion process.Environmental science and pollution research international · 2019Article
- Microbial diversity assessment of polychlorinated biphenyl-contaminated soils and the biostimulation and bioaugmentation processes.Environmental monitoring and assessment · 2019Article
- Advances and perspective in bioremediation of polychlorinated biphenyl-contaminated soils.Environmental science and pollution research international · 2018Article
- PCB dechlorination hotspots and reductive dehalogenase genes in sediments from a contaminated wastewater lagoon.Environmental science and pollution research international · 2018Article
- Diversity and Dynamics of Microbial Community Structure in Different Mangrove, Marine and Freshwater Sediments During Anaerobic Debromination of PBDEs.Frontiers in microbiology · 2018Article
- Identification of two organohalide-respiring Dehalococcoidia associated to different dechlorination activities in PCB-impacted marine sediments.Microbial cell factories · 2017Article
- In situ remediation of contaminated marinesediment: an overview.Environmental science and pollution research international · 2017Review
- Cable Bacteria and the Bioelectrochemical Snorkel: The Natural and Engineered Facets Playing a Role in Hydrocarbons Degradation in Marine Sediments.Frontiers in microbiology · 2017Article
- Benthic ecosystem functioning in the severely contaminated Mar Piccolo of Taranto (Ionian Sea, Italy): focus on heterotrophic pathways.Environmental science and pollution research international · 2016Article
- Integrated environmental characterization of the contaminated marine coastal area of Taranto, Ionian Sea (southern Italy).Environmental science and pollution research international · 2016Article
- PCBs attenuation and abundance of Dehalococcoides spp., bphC, CheA, and flic genes in typical polychlorinated biphenyl-polluted soil under floody and dry soil conditions.Environmental science and pollution research international · 2016Article
- Microbiome Dynamics of a Polychlorobiphenyl (PCB) Historically Contaminated Marine Sediment under Conditions Promoting Reductive Dechlorination.Frontiers in microbiology · 2016Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polychlorobiphenyl (PCB) biodegradation was followed for 1 year in microcosms containing marine sediments collected from Mar Piccolo (Taranto, Italy) chronically contaminated by this class of hazardous compounds. The microcosms were performed under strictly anaerobic conditions with or without the addition of Dehalococcoides mccartyi, the main microorganism known to degrade PCBs through the anaerobic reductive dechlorination process. Thirty PCB congeners were monitored during the experiments revealing that the biodegradation occurred in all microcosms with a decrease in hepta-, hexa-, and penta-chlorobiphenyls (CBs) and a parallel increase in low chlorinated PCBs (tri-CBs and tetra-CBs). The concentrations of the most representative congeners detected in the original sediment, such as 245-245-CB and 2345-245-CB, and of the mixture 2356-34-CB+234-245-CB, decreased by 32.5, 23.8, and 46.7 %, respectively, after only 70 days of anaerobic incubation without any bioaugmentation treatment. Additionally, the structure and population dynamics of the microbial key players involved in the biodegradative process and of the entire mixed microbial community were accurately defined by Catalyzed Reporter Deposition Fluorescence In Situ Hybridization (CARD-FISH) in both the original sediment and during the operation of the microcosm. The reductive dehalogenase genes of D. mccartyi, specifically involved in PCB dechlorination, were also quantified using real-time PCR (qPCR). Our results demonstrated that the autochthonous microbial community living in the marine sediment, including D. mccartyi (6.32E+06 16S rRNA gene copy numbers g(-1) sediment), was able to efficiently sustain the biodegradation of PCBs when controlled anaerobic conditions were imposed.
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