ArticleScientific reports2020
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 33 citations in OpenAlex.
- Integrating Water Column and Sediment eDNA Metabarcoding Reveals Seasonal Turnover and Habitat-Specific Differentiation of Fish Communities in a Subtropical Coastal Bay.Ecology and evolution · 2026Article
- Unravelling Evolutionary and Ecological Insights of Foraminifera by Using Next Generation Sequencing: A Review.Biochemical genetics · 2026Review
- Monitoring Fish Biodiversity in the Pelagic Zone of the Western Indian Ocean Using Environmental DNA Metabarcoding.Biology · 2025Article
- Using sedimentary ancient DNA in coastal and marine contexts to explore past human-environmental interactions in Australia.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Metabarcoding reveals high diversity of benthic foraminifera linked to water masses circulation at coastal Svalbard.Geobiology · 2023Article
- COI metabarcoding of large benthic Foraminifera: Method validation for application in ecological studies.Ecology and evolution · 2022Article
- Patterns of eukaryotic diversity from the surface to the deep-ocean sediment.Science advances · 2022Article
- Paleo-diatom composition from Santa Barbara Basin deep-sea sediments: a comparison of 18S-V9 and diat-rbcL metabarcoding vs shotgun metagenomics.ISME communications · 2021Article
- Seeing through sedimented waters: environmental DNA reduces the phantom diversity of sharks and rays in turbid marine habitats.BMC ecology and evolution · 2021Article
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Authors and funding
8 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Environmental DNA (eDNA) metabarcoding of marine sediments has revealed large amounts of sequences assigned to planktonic taxa. How this planktonic eDNA is delivered on the seafloor and preserved in the sediment is not well understood. We address these questions by comparing metabarcoding and microfossil foraminifera assemblages in sediment cores taken off Newfoundland across a strong ecological gradient. We detected planktonic foraminifera eDNA down to 30 cm and observed that the planktonic/benthic amplicon ratio changed with depth. The relative proportion of planktonic foraminiferal amplicons remained low from the surface down to 10 cm, likely due to the presence of DNA from living benthic foraminifera. Below 10 cm, the relative proportion of planktonic foraminifera amplicons rocketed, likely reflecting the higher proportion of planktonic eDNA in the DNA burial flux. In addition, the microfossil and metabarcoding assemblages showed a congruent pattern indicating that planktonic foraminifera eDNA is deposited without substantial lateral advection and preserves regional biogeographical patterns, indicating deposition by a similar mechanism as the foraminiferal shells. Our study shows that the planktonic eDNA preserved in marine sediments has the potential to record climatic and biotic changes in the pelagic community with the same spatial and temporal resolution as microfossils.
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