ArticleApplied and environmental microbiology2012
Abundance, distribution, and activity of Fe(II)-oxidizing and Fe(III)-reducing microorganisms in hypersaline sediments of Lake Kasin, southern Russia.
Article in Applied and environmental microbiology, 2012. 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, 94 citations in OpenAlex.
- Continuous cultivation of the lithoautotrophic nitrate-reducing Fe(II)-oxidizing culture KS in a chemostat bioreactor.Environmental microbiology reports · 2023Article
- Microbial mixotrophic denitrification using iron(II) as an assisted electron donor.Water research X · 2023Article
- Naturally Occurring Organohalogen Compounds-A Comprehensive Review.Progress in the chemistry of organic natural products · 2023Review
- Comparative Genomic Insights into the Evolution ofmSystems · 2022Article
- Community Vertical Composition of the Laguna Negra Hypersaline Microbial Mat, Puna Region (Argentinean Andes).Biology · 2022Article
- Salinity Impact on Composition and Activity of Nitrate-Reducing Fe(II)-Oxidizing Microorganisms in Saline Lakes.Applied and environmental microbiology · 2022Article
- Iron Elution from Iron and Steel Slag Using Bacterial Complex Identified from the Seawater.Materials (Basel, Switzerland) · 2021Article
- Microbial Diversity in Deep-Subsurface Hot Brines of Northwest Poland: from Community Structure to Isolate Characteristics.Applied and environmental microbiology · 2020Article
- Plutonium Oxidation States in the Waste Isolation Pilot Plant Repository.Applied geochemistry : journal of the International Association of Geochemistry and Cosmochemistry · 2020Article
- Microbial Responses to Simulated Salinization and Desalinization in the Sediments of the Qinghai-Tibetan Lakes.Frontiers in microbiology · 2020Article
- Exploring Biodiversity and Arsenic Metabolism of Microbiota Inhabiting Arsenic-Rich Groundwaters in Northern Italy.Frontiers in microbiology · 2019Article
- Namib Desert Soil Microbial Community Diversity, Assembly, and Function Along a Natural Xeric Gradient.Microbial ecology · 2018Article
- Insights into Nitrate-Reducing Fe(II) Oxidation Mechanisms through Analysis of Cell-Mineral Associations, Cell Encrustation, and Mineralogy in the Chemolithoautotrophic Enrichment Culture KS.Applied and environmental microbiology · 2017Article
- Use of Bacteria To Stabilize Archaeological Iron.Applied and environmental microbiology · 2017Article
- Evidence for the Existence of Autotrophic Nitrate-Reducing Fe(II)-Oxidizing Bacteria in Marine Coastal Sediment.Applied and environmental microbiology · 2016Article
- Prokaryotic diversity in a Tunisian hypersaline lake, Chott El Jerid.Extremophiles : life under extreme conditions · 2016Article
- Unusually High Archaeal Diversity in a Crystallizer Pond, Pomorie Salterns, Bulgaria, Revealed by Phylogenetic Analysis.Archaea (Vancouver, B.C.) · 2016Article
- Coexistence of Microaerophilic, Nitrate-Reducing, and Phototrophic Fe(II) Oxidizers and Fe(III) Reducers in Coastal Marine Sediment.Applied and environmental microbiology · 2015Article
- Structural characterization of amphiphilic siderophores produced by a soda lake isolate, Halomonas sp. SL01, reveals cysteine-, phenylalanine- and proline-containing head groups.Extremophiles : life under extreme conditions · 2015Article
- Anaerobic ferrous oxidation by heterotrophic denitrifying enriched culture.Journal of industrial microbiology & biotechnology · 2014Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The extreme osmotic conditions prevailing in hypersaline environments result in decreasing metabolic diversity with increasing salinity. Various microbial metabolisms have been shown to occur even at high salinity, including photosynthesis as well as sulfate and nitrate reduction. However, information about anaerobic microbial iron metabolism in hypersaline environments is scarce. We studied the phylogenetic diversity, distribution, and metabolic activity of iron(II)-oxidizing and iron(III)-reducing Bacteria and Archaea in pH-neutral, iron-rich salt lake sediments (Lake Kasin, southern Russia; salinity, 348.6 g liter(-1)) using a combination of culture-dependent and -independent techniques. 16S rRNA gene clone libraries for Bacteria and Archaea revealed a microbial community composition typical for hypersaline sediments. Most-probable-number counts confirmed the presence of 4.26 × 10(2) to 8.32 × 10(3) iron(II)-oxidizing Bacteria and 4.16 × 10(2) to 2.13 × 10(3) iron(III)-reducing microorganisms per gram dry sediment. Microbial iron(III) reduction was detected in the presence of 5 M NaCl, extending the natural habitat boundaries for this important microbial process. Quantitative real-time PCR showed that 16S rRNA gene copy numbers of total Bacteria, total Archaea, and species dominating the iron(III)-reducing enrichment cultures (relatives of Halobaculum gomorrense, Desulfosporosinus lacus, and members of the Bacilli) were highest in an iron oxide-rich sediment layer. Combined with the presented geochemical and mineralogical data, our findings suggest the presence of an active microbial iron cycle at salt concentrations close to the solubility limit of NaCl.
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