ArticleScience advances2022
Deep ocean microbial communities produce more stable dissolved organic matter through the succession of rare prokaryotes.
Article in Science advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 56 citations in OpenAlex.
- Global dispersal of macroalgae-derived recalcitrant DOC may substantially contribute to deep-ocean carbon storage.Science advances · 2026Article
- Changes in DOM Quality Determine Prokaryotic Activities and Extracellular Release in the NW Mediterranean Sea: An Experimental Approach.Environmental microbiology reports · 2026Article
- Hydrostatic pressure induces strong leakage of dissolved organic matter from "marine snow" particles.Science advances · 2026Article
- Contrasting salinity regimes reshape microbe-DOM coupling and reduce recalcitrant dissolved organic carbon preservation in a salt lake.The ISME journal · 2026Article
- Testing the priming effect in the deep ocean: are microorganisms too starved to consume recalcitrant organic carbon?Applied and environmental microbiology · 2025Article
- Constraining biorecalcitrance of carboxyl-rich alicyclic molecules in the ocean.Science advances · 2025Article
- Oxidation state of bioavailable dissolved organic matter influences bacterioplankton respiration and growth efficiency.Communications biology · 2025Article
- Removal of dissolved organic carbon in the West Pacific hadal zones.Nature communications · 2025Article
- Respiratory quotients of particle-associated microbes track carbon flux attenuation in the mesopelagic Southern Ocean.The ISME journal · 2025Article
- The emergence of nitrification during DOM processing by marine microbial assemblages.PloS one · 2025Article
- Ecological dynamics explain modular denitrification in the ocean.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Overlooked Vital Role of Persistent Algae-Bacteria Interaction in Ocean Recalcitrant Carbon Sequestration and Its Response to Ocean Warming.Global change biology · 2024Article
- The microbial carbon pump and climate change.Nature reviews. Microbiology · 2024Review
- Selected Bacteria Are Critical for Karst River Carbon Sequestration via Integrating Multi-omics and Hydrochemistry Data.Microbial ecology · 2023Article
- Effects of Phosphorus Limitation on the Bioavailability of DOM Released by Marine Heterotrophic Prokaryotes.Microbial ecology · 2023Article
Corrections and comments
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Authors and funding
11 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The microbial carbon pump (MCP) hypothesis suggests that successive transformation of labile dissolved organic carbon (DOC) by prokaryotes produces refractory DOC (RDOC) and contributes to the long-term stability of the deep ocean DOC reservoir. We tested the MCP by exposing surface water from a deep convective region of the ocean to epipelagic, mesopelagic, and bathypelagic prokaryotic communities and tracked changes in dissolved organic matter concentration, composition, and prokaryotic taxa over time. Prokaryotic taxa from the deep ocean were more efficient at consuming DOC and producing RDOC as evidenced by greater abundance of highly oxygenated molecules and fluorescent components associated with recalcitrant molecules. This first empirical evidence of the MCP in natural waters shows that carbon sequestration is more efficient in deeper waters and suggests that the higher diversity of prokaryotes from the rare biosphere holds a greater metabolic potential in creating these stable dissolved organic compounds.
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