ArticleApplied and environmental microbiology2008
Epsilonproteobacteria represent the major portion of chemoautotrophic bacteria in sulfidic waters of pelagic redoxclines of the Baltic and Black Seas.
Article in Applied and environmental microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 141 citations in OpenAlex.
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- Community dynamics and metagenomic analyses reveal Bacteroidota's role in widespread enzymatic Fucus vesiculosus cell wall degradation.Scientific reports · 2024Article
- Changes in the membrane lipid composition of a Sulfurimonas species depend on the electron acceptor used for sulfur oxidation.ISME communications · 2022Article
- Biological manganese-dependent sulfide oxidation impacts elemental gradients in redox-stratified systems: indications from the Black Sea water column.The ISME journal · 2022Article
- The bacterial sulfur cycle in expanding dysoxic and euxinic marine waters.Environmental microbiology · 2021Review
- Niche partitioning of bacterial communities along the stratified water column in the Black Sea.MicrobiologyOpen · 2021Article
- Microbial community development on model particles in the deep sulfidic waters of the Black Sea.Environmental microbiology · 2021Article
- Organic Matter Type Defines the Composition of Active Microbial Communities Originating From Anoxic Baltic Sea Sediments.Frontiers in microbiology · 2021Article
- Characterization ofFrontiers in microbiology · 2021Article
- Temporal Microbial Community Dynamics Within a Unique Acid Saline Lake.Frontiers in microbiology · 2021Article
- Comamonadaceae OTU as a Remnant of an Ancient Microbial Community in Sulfidic Waters.Microbial ecology · 2019Article
- A bacterial isolate from the Black Sea oxidizes sulfide with manganese(IV) oxide.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Circumventing kinetics in biogeochemical modeling.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Sulfurimonas subgroup GD17 cells accumulate polyphosphate under fluctuating redox conditions in the Baltic Sea: possible implications for their ecology.The ISME journal · 2019Article
- Article
- Contribution of Bicarbonate Assimilation to Carbon Pool Dynamics in the Deep Mediterranean Sea and Cultivation of Actively Nitrifying and COFrontiers in microbiology · 2018Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent studies have indicated that chemoautotrophic Epsilonproteobacteria might play an important role, especially as anaerobic or microaerophilic dark CO(2)-fixing organisms, in marine pelagic redoxclines. However, knowledge of their distribution and abundance as actively CO(2)-fixing microorganisms in pelagic redoxclines is still deficient. We determined the contribution of Epsilonproteobacteria to dark CO(2) fixation in the sulfidic areas of central Baltic Sea and Black Sea redoxclines by combining catalyzed reporter deposition-fluorescence in situ hybridization with microautoradiography using [(14)C]bicarbonate and compared it to the total prokaryotic chemoautotrophic activity. In absolute numbers, up to 3 x 10(5) (14)CO(2)-fixing prokaryotic cells ml(-1) were enumerated in the redoxcline of the central Baltic Sea and up to 9 x 10(4) (14)CO(2)-fixing cells ml(-1) were enumerated in the Black Sea redoxcline, corresponding to 29% and 12%, respectively, of total cell abundance. (14)CO(2)-incorporating cells belonged exclusively to the domain Bacteria. Among these, members of the Epsilonproteobacteria were approximately 70% of the cells in the central Baltic Sea and up to 100% in the Black Sea. For the Baltic Sea, the Sulfurimonas subgroup GD17, previously assumed to be involved in autotrophic denitrification, was the most dominant CO(2)-fixing group. In conclusion, Epsilonproteobacteria were found to be mainly responsible for chemoautotrophic activity in the dark CO(2) fixation maxima of the Black Sea and central Baltic Sea redoxclines. These Epsilonproteobacteria might be relevant in similar habitats of the world's oceans, where high dark CO(2) fixation rates have been measured.
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