ArticleExtremophiles : life under extreme conditions2012
Screening of anaerobic activities in sediments of an acidic environment: Tinto River.
Article in Extremophiles : life under extreme conditions, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Prokaryotic diversity across a pH gradient in the "El Chichón" crater-lake: a naturally thermo-acidic environment.Extremophiles : life under extreme conditions · 2022Article
- Acetate Degradation at Low pH by the Moderately Acidophilic Sulfate ReducerFrontiers in microbiology · 2022Review
- Biosulfidogenesis Mediates Natural Attenuation in Acidic Mine Pit Lakes.Microorganisms · 2020Article
- Acid Mine Drainage as Habitats for Distinct Microbiomes: Current Knowledge in the Era of Molecular and Omic Technologies.Current microbiology · 2020Review
- Long-Chain Fatty Acids Degradation byFrontiers in microbiology · 2020Article
- Insights into ecological role of a new deltaproteobacterial order Candidatus Acidulodesulfobacterales by metagenomics and metatranscriptomics.The ISME journal · 2019Article
- Thermoplasmatales and sulfur-oxidizing bacteria dominate the microbial community at the surface water of a COExtremophiles : life under extreme conditions · 2019Article
- Microbial Communities Associated With Passive Acidic Abandoned Coal Mine Remediation.Frontiers in microbiology · 2019Article
- Low-Abundance Members of theFrontiers in microbiology · 2018Article
- Pristine but metal-rich Río Sucio (Dirty River) is dominated by Gallionella and other iron-sulfur oxidizing microbes.Extremophiles : life under extreme conditions · 2017Article
- Microbially influenced corrosion communities associated with fuel-grade ethanol environments.Applied microbiology and biotechnology · 2015Article
- Microbial diversity and metabolic networks in acid mine drainage habitats.Frontiers in microbiology · 2015Review
- Río tinto: a geochemical and mineralogical terrestrial analogue of Mars.Life (Basel, Switzerland) · 2014Review
- vanI: a novel D-Ala-D-Lac vancomycin resistance gene cluster found in Desulfitobacterium hafniense.Microbial biotechnology · 2014Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Tinto River (Huelva, Spain) is a natural acidic rock drainage environment produced by the bio-oxidation of metallic sulfides from the Iberian Pyritic Belt. A geomicrobiological model of the different microbial cycles operating in the sediments was recently developed through molecular biological methods, suggesting the presence of iron reducers, methanogens, nitrate reducers and hydrogen producers. In this study, we used a combination of molecular biological methods and targeted enrichment incubations to validate this model and prove the existence of those potential anaerobic activities in the acidic sediments of Tinto River. Methanogenic, sulfate-reducing, denitrifying and hydrogen-producing enrichments were all positive at pH between 5 and 7. Methanogenic enrichments revealed the presence of methanogenic archaea belonging to the genera Methanosarcina and Methanobrevibacter. Enrichments for sulfate-reducing microorganisms were dominated by Desulfotomaculum spp. Denitrifying enrichments showed a broad diversity of bacteria belonging to the genera Paenibacillus, Bacillus, Sedimentibacter, Lysinibacillus, Delftia, Alcaligenes, Clostridium and Desulfitobacterium. Hydrogen-producing enrichments were dominated by Clostridium spp. These enrichments confirm the presence of anaerobic activities in the acidic sediments of the Tinto River that are normally assumed to take place exclusively at neutral pH.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.