Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments
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 a...
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Online Access: | http://dx.doi.org/10.1038/s41598-020-77179-8 http://www.nature.com/articles/s41598-020-77179-8.pdf http://www.nature.com/articles/s41598-020-77179-8 |
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crspringernat:10.1038/s41598-020-77179-8 2023-05-15T17:22:25+02:00 Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments Barrenechea Angeles, Inès Lejzerowicz, Franck Cordier, Tristan Scheplitz, Janin Kucera, Michal Ariztegui, Daniel Pawlowski, Jan Morard, Raphaël SPHN Society of Geneva Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Deutsche Forschungsgemeinschaft Projekt DEAL 2020 http://dx.doi.org/10.1038/s41598-020-77179-8 http://www.nature.com/articles/s41598-020-77179-8.pdf http://www.nature.com/articles/s41598-020-77179-8 en eng Springer Science and Business Media LLC https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 CC-BY Scientific Reports volume 10, issue 1 ISSN 2045-2322 Multidisciplinary journal-article 2020 crspringernat https://doi.org/10.1038/s41598-020-77179-8 2022-01-04T13:25:18Z 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. Article in Journal/Newspaper Newfoundland Planktonic foraminifera Springer Nature (via Crossref) Scientific Reports 10 1 |
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Springer Nature (via Crossref) |
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crspringernat |
language |
English |
topic |
Multidisciplinary |
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Multidisciplinary Barrenechea Angeles, Inès Lejzerowicz, Franck Cordier, Tristan Scheplitz, Janin Kucera, Michal Ariztegui, Daniel Pawlowski, Jan Morard, Raphaël Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
topic_facet |
Multidisciplinary |
description |
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. |
author2 |
SPHN Society of Geneva Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Deutsche Forschungsgemeinschaft Projekt DEAL |
format |
Article in Journal/Newspaper |
author |
Barrenechea Angeles, Inès Lejzerowicz, Franck Cordier, Tristan Scheplitz, Janin Kucera, Michal Ariztegui, Daniel Pawlowski, Jan Morard, Raphaël |
author_facet |
Barrenechea Angeles, Inès Lejzerowicz, Franck Cordier, Tristan Scheplitz, Janin Kucera, Michal Ariztegui, Daniel Pawlowski, Jan Morard, Raphaël |
author_sort |
Barrenechea Angeles, Inès |
title |
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
title_short |
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
title_full |
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
title_fullStr |
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
title_full_unstemmed |
Planktonic foraminifera eDNA signature deposited on the seafloor remains preserved after burial in marine sediments |
title_sort |
planktonic foraminifera edna signature deposited on the seafloor remains preserved after burial in marine sediments |
publisher |
Springer Science and Business Media LLC |
publishDate |
2020 |
url |
http://dx.doi.org/10.1038/s41598-020-77179-8 http://www.nature.com/articles/s41598-020-77179-8.pdf http://www.nature.com/articles/s41598-020-77179-8 |
genre |
Newfoundland Planktonic foraminifera |
genre_facet |
Newfoundland Planktonic foraminifera |
op_source |
Scientific Reports volume 10, issue 1 ISSN 2045-2322 |
op_rights |
https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1038/s41598-020-77179-8 |
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Scientific Reports |
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10 |
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