ArticleEnvironmental microbiology2021
A diverse uncultivated microbial community is responsible for organic matter degradation in the Black Sea sulphidic zone.
Article in Environmental microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed.
- Archaeal and Bacterial Communities and Their Relations with Hydrochemistry in Gongzhu Co, a Carbon-Poor, Nutrient-Rich Basin Lake of the Qinghai-Xizang Plateau.Current microbiology · 2026Article
- Exceptionally stable membrane lipid composition of the marine facultative anaerobe and piezotolerant 'Labilibaculum euxinus' under variable pressure and nutrients.FEMS microbiology ecology · 2026Article
- Discovering Hidden Archaeal and Bacterial Lipid Producers in a Euxinic Marine System.Environmental microbiology · 2025Article
- Comparing field and lab quantitative stable isotope probing for nitrogen assimilation in soil microbes.Applied and environmental microbiology · 2025Article
- Circular metagenome-assembled genome ofMicrobiology resource announcements · 2024Article
- Organic matter degradation in the deep, sulfidic waters of the Black Sea: insights into the ecophysiology of novel anaerobic bacteria.Microbiome · 2024Article
- Article
- Niche separation in bacterial communities and activities in porewater, loosely attached, and firmly attached fractions in permeable surface sediments.The ISME journal · 2024Article
- Variations in microbial community compositions and processes imposed under contrast geochemical contexts in Sicilian mud volcanoes, Italy.Frontiers in microbiology · 2024Article
- Phylogenetically and metabolically diverse autotrophs in the world's deepest blue hole.ISME communications · 2023Article
- Uncultivated DPANN archaea are ubiquitous inhabitants of global oxygen deficient zones with diverse metabolic potential.bioRxiv : the preprint server for biology · 2023Article
- Redox gradient shapes the abundance and diversity of mercury-methylating microorganisms along the water column of the Black Sea.mSystems · 2023Article
- Mediation of Bacterial Interactions via a Novel Membrane-Based Segregator to Enhance Biological Nitrogen Removal.Applied and environmental microbiology · 2023Article
- Hyperactive nanobacteria with host-dependent traits pervade Omnitrophota.Nature microbiology · 2023Article
- Metagenomic 16S rDNA reads ofPeerJ · 2023Article
- Viruses of sulfur oxidizing phototrophs encode genes for pigment, carbon, and sulfur metabolisms.Communications earth & environment · 2023Article
- Bioprospecting for Novel Bacterial Sources of Hydrolytic Enzymes and Antimicrobials in the Romanian Littoral Zone of the Black Sea.Microorganisms · 2022Article
- Transient Oxygen Exposure Causes Profound and Lasting Changes to a Benzene-Degrading Methanogenic Community.Environmental science & technology · 2022Article
- Overlying water fluoride concentrations influence dissolved organic matter composition and migration from pore water in sediment via bacterial mechanisms.Environmental science and ecotechnology · 2022Article
- Gulf of Mexico blue hole harbors high levels of novel microbial lineages.The ISME journal · 2021Article
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Authors and funding
4 authors.
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Abstract
Organic matter degradation in marine environments is essential for the recycling of nutrients, especially under conditions of anoxia where organic matter tends to accumulate. However, little is known about the diversity of the microbial communities responsible for the mineralization of organic matter in the absence of oxygen, as well as the factors controlling their activities. Here, we determined the active heterotrophic prokaryotic community in the sulphidic water column of the Black Sea, an ideal model system, where a tight coupling between carbon, nitrogen and sulphur cycles is expected. Active microorganisms degrading both dissolved organic matter (DOM) and protein extracts were determined using quantitative DNA stable isotope probing incubation experiments. These results were compared with the metabolic potential of metagenome-assembled genomes obtained from the water column. Organic matter incubations showed that groups like Cloacimonetes and Marinimicrobia are generalists degrading DOM. Based on metagenomic profiles the degradation proceeds in a potential interaction with members of the Deltaproteobacteria and Chloroflexi Dehalococcoidia. On the other hand, microbes with small genomes like the bacterial phyla Parcubacteria, Omnitrophica and of the archaeal phylum Woesearchaeota, were the most active, especially in protein-amended incubations, revealing the potential advantage of streamlined microorganisms in highly reduced conditions.
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