ArticleApplied and environmental microbiology2019
Microbial Organic Matter Degradation Potential in Baltic Sea Sediments Is Influenced by Depositional Conditions and
Article in Applied and environmental microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it.
- The Landscape of Genetic Content in the Gut and Oral Human Microbiome.Cell host & microbe · 2019Pooled it
- Shift in the metabolic profile of sediment microbial communities during seagrass decline.Environmental microbiome · 2025Article
- A global comparison of surface and subsurface microbiomes reveals large-scale biodiversity gradients, and a marine-terrestrial divide.Science advances · 2024Article
- Single-cell analysis reveals an active and heterotrophic microbiome in the Guaymas Basin deep subsurface with significant inorganic carbon fixation by heterotrophs.Applied and environmental microbiology · 2024Article
- Comparative single-cell genomics of Atribacterota JS1 in the Japan Trench hadal sedimentary biosphere.mSphere · 2024Article
- Deep Subseafloor Biogeochemical Processes and Microbial Populations Potentially Associated with the 2011 Tohoku-oki Earthquake at the Japan Trench Accretionary Wedge (IODP Expedition 343).Microbes and environments · 2023Article
- Iron and sulfate reduction structure microbial communities in (sub-)Antarctic sediments.The ISME journal · 2021Article
- Diverse sediment microbiota shape methane emission temperature sensitivity in Arctic lakes.Nature communications · 2021Article
- Cryptic metabolisms in anoxic subseafloor sediment.Environmental microbiology reports · 2021Article
- Article
- Organic Matter Type Defines the Composition of Active Microbial Communities Originating From Anoxic Baltic Sea Sediments.Frontiers in microbiology · 2021Article
- Potential Activities and Long Lifetimes of Organic Carbon-Degrading Extracellular Enzymes in Deep Subsurface Sediments of the Baltic Sea.Frontiers in microbiology · 2021Article
- Widespread energy limitation to life in global subseafloor sediments.Science advances · 2020Article
- Impact of Terrestrial Input on Deep-Sea Benthic Archaeal Community Structure in South China Sea Sediments.Frontiers in microbiology · 2020Article
- Microbial Community Structure in Arctic Lake Sediments Reflect Variations in Holocene Climate Conditions.Frontiers in microbiology · 2020Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Globally, marine sediments are a vast repository of organic matter, which is degraded through various microbial pathways, including polymer hydrolysis and monomer fermentation. The sources, abundances, and quality (i.e., labile or recalcitrant) of the organic matter and the composition of the microbial assemblages vary between sediments. Here, we examine new and previously published sediment metagenomes from the Baltic Sea and the nearby Kattegat region to determine connections between geochemistry and the community potential to degrade organic carbon. Diverse organic matter hydrolysis encoding genes were present in sediments between 0.25 and 67 meters below seafloor and were in higher relative abundances in those sediments that contained more organic matter. New analysis of previously published metatranscriptomes demonstrated that many of these genes were transcribed in two organic-rich Holocene sediments. Some of the variation in deduced pathways in the metagenomes correlated with carbon content and depositional conditions. Fermentation-related genes were found in all samples and encoded multiple fermentation pathways. Notably, genes involved in alcohol metabolism were amongst the most abundant of these genes, indicating that this is an important but underappreciated aspect of sediment carbon cycling. This study is a step towards a more complete understanding of microbial food webs and the impacts of depositional facies on present sedimentary microbial communities.
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