ArticleMarine biotechnology (New York, N.Y.)2014
Abundance, activity, and diversity of archaeal and bacterial communities in both uncontaminated and highly copper-contaminated marine sediments.
Article in Marine biotechnology (New York, N.Y.), 2014. 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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10 citing papers in PubMed, 30 citations in OpenAlex.
- Drift, dispersal limitation, and homogeneous selection as key processes shaping prokaryotic community assembly in marine sediments.ISME communications · 2025Article
- Composition and Functional Characteristics and Influencing Factors of Bacterioplankton Community in the Huangshui River, China.Microorganisms · 2021Article
- Mining the Factors Driving the Evolution of the Pit Mud Microbiome under the Impact of Long-Term Production of Strong-Flavor Baijiu.Applied and environmental microbiology · 2021Article
- Marine ammonia-oxidising archaea and bacteria occupy distinct iron and copper niches.ISME communications · 2021Article
- Defining the sediment prokaryotic communities of the Indian River Lagoon, FL, USA, an Estuary of National Significance.PloS one · 2020Article
- Microbial Community Structures and Important Associations Between Soil Nutrients and the Responses of Specific Taxa to Rice-Frog Cultivation.Frontiers in microbiology · 2019Article
- Changes in Bacterioplankton Communities Resulting From Direct and Indirect Interactions With Trace Metal Gradients in an Urbanized Marine Coastal Area.Frontiers in microbiology · 2019Article
- Ammonia-Oxidizing Archaea and Bacteria Differentially Contribute to Ammonia Oxidation in Sediments from Adjacent Waters of Rushan Bay, China.Frontiers in microbiology · 2018Article
- Copper Pollution Increases the Resistance of Soil Archaeal Community to Changes in Water Regime.Microbial ecology · 2017Article
- Expression of copper-resistance genes in microbial communities under copper stress and oxic/anoxic conditions.Environmental science and pollution research international · 2016Article
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Authors and funding
3 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We analyzed the impact of copper mine tailing discharges on benthic Archaea and Bacteria around the city of Chanaral in northern Chile. Quantitative PCR (Q-PCR) showed that the bacteria dominated the prokaryotic community at both sites, but only the bacteria showed a decrease in abundance in the copper-contaminated site. Q-PCR on reverse transcripts indicated a higher activity of both bacterial and archaeal communities in the contaminated site, suggesting an adaptation of the two communities to copper. This hypothesis was reinforced by the concomitant augmentation of the copper-resistant copA gene coding for a P-type ATP-ase pump in the contaminated site. The metabolically active bacterial community of the contaminated site was dominated by Gammaproteobacteria related to Ectothiorhodospiraceae and Chromatiaceae and by Alphaproteobacteria phylum related to Rhodobacteraceae. The metabolically active archaeal community was dominated by one lineage belonging to unclassified Euryarchaeota and to methanogenic Archaea.
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