ArticleMicrobial ecology2013
Culture-dependent and independent studies of microbial diversity in highly copper-contaminated Chilean marine sediments.
Article in Microbial ecology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 37 citations in OpenAlex.
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- The Widespread Use of Nanomaterials: The Effects on the Function and Diversity of Environmental Microbial Communities.Microorganisms · 2022Review
- Spatial co-occurrence patterns of benthic microbial assemblage in response to trace metals in the Atacama Desert Coastline.Frontiers in microbiology · 2022Article
- Degradation of Hydrocarbons and Heavy Metal Reduction by Marine Bacteria in Highly Contaminated Sediments.Microorganisms · 2020Article
- Insights into the Bacterial Diversity of the Acidic Akhtala Mine Tailing in Armenia Using Molecular Approaches.Current microbiology · 2019Article
- Article
- Transcriptomic analysis of nickel exposure in Sphingobium sp. ba1 cells using RNA-seq.Scientific reports · 2017Article
- Metagenomic Insights into Effects of Chemical Pollutants on Microbial Community Composition and Function in Estuarine Sediments Receiving Polluted River Water.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
- Distinct diversity of the czcA gene in two sedimentary horizons from a contaminated estuarine core.Environmental science and pollution research international · 2014Article
- Emerging strategies and integrated systems microbiology technologies for biodiscovery of marine bioactive compounds.Marine drugs · 2014Review
- Abundance, activity, and diversity of archaeal and bacterial communities in both uncontaminated and highly copper-contaminated marine sediments.Marine biotechnology (New York, N.Y.) · 2014Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cultivation and molecular-based approaches were used to study microbial diversity in two Chilean marine sediments contaminated with high (835 ppm) and very high concentrations of copper (1,533 ppm). The diversity of cultivable bacteria resistant to copper was studied at oxic and anoxic conditions, focusing on sulfate-, thiosulfate-, and iron-reducing bacteria. For both sediments, the cultivable bacteria isolated at oxic conditions were mostly affiliated to the genus Bacillus, while at anoxic conditions the majority of the cultivable bacteria found were closely related to members of the genera Desulfovibrio, Sphingomonas, and Virgibacillus. Copper resistance was between 100 and 400 ppm, with the exception of a strain affiliated to members of the genus Desulfuromonas, which was resistant up to 1,000 ppm of copper. In parallel, cloning and sequencing of 16S rRNA was performed to study the total bacterial diversity in the sediments. A weak correlation was observed between the isolated strains and the 16S rRNA operational taxonomic units detected. The presence of copper resistance genes (copA, cusA, and pcoA) was tested for all the strains isolated; only copA was detected in a few isolates, suggesting that other copper resistance mechanisms could be used by the bacteria in those highly copper-contaminated sediments.
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