Marine ecosystem shifts with deglacial sea-ice loss inferred from ancient DNA shotgun sequencing

HH Zimmermann, KR Stoof-Leichsenring… - Nature …, 2023 - nature.com
Sea ice is a key factor for the functioning and services provided by polar marine ecosystems.
However, ecosystem responses to sea-ice loss are largely unknown because time-series …

Sedimentary ancient DNA: a new paleogenomic tool for reconstructing the history of marine ecosystems

NL Nguyen, D Devendra, N Szymańska… - Frontiers in Marine …, 2023 - frontiersin.org
Sedimentary ancient DNA (seda DNA) offers a novel retrospective approach to
reconstructing the history of marine ecosystems over geological timescales. Until now, the …

Multi-omics for studying and understanding polar life

MS Clark, JI Hoffman, LS Peck, L Bargelloni… - Nature …, 2023 - nature.com
Polar ecosystems are experiencing amongst the most rapid rates of regional warming on
Earth. Here, we discuss 'omics' approaches to investigate polar biodiversity, including the …

Tracking mineral and geochemical characteristics of Holocene lake sediments: the case of Hotagen, west-central Sweden

HJ Kanbar, T Tran Le, F Olajos, G Englund… - Journal of Soils and …, 2021 - Springer
Purpose Intact lake sediments reflect the development of terrestrial ecosystems. This
development can be understood by decoding mineral and geochemical information of …

[HTML][HTML] Sedimentary ancient DNA sequences reveal marine ecosystem shifts and indicator taxa for glacial-interglacial sea ice conditions

DM Grant, K Steinsland, T Cordier… - Quaternary Science …, 2024 - Elsevier
Sedimentary ancient DNA (sedaDNA) analysis is a promising new approach for
reconstructing the impact of past climate and environmental changes on marine …

From the Surface Ocean to the Seafloor: Linking Modern and Paleo‐Genetics at the Sabrina Coast, East Antarctica (IN2017_V01)

L Armbrecht, A Focardi, KA Lawler… - Journal of …, 2023 - Wiley Online Library
With ongoing climate change, research into the biological changes occurring in particularly
vulnerable ecosystems, such as Antarctica, is critical. The Totten Glacier region, Sabrina …

Recovering short DNA fragments from minerals and marine sediments: A comparative study evaluating lysis and isolation approaches

D Gande, C Hassenrück, M Žure… - Environmental …, 2024 - Wiley Online Library
Marine sediments as excellent climate archives, contain among other biomolecules
substantial amounts of extracellular DNA. Through mineral binding, some of the DNA …

[HTML][HTML] Marine sedimentary ancient DNA from Antarctic diatoms

P Singh, JC Teixeira, C Bolch, L Armbrecht - Palaeogeography …, 2024 - Elsevier
Antarctica is one of the most susceptible regions to climate change on Earth. Rising ocean
temperatures, glacier melting, and disruptions of marine ecosystems make this polar region …

Assessing the performance of short 18S rDNA markers for environmental DNA metabarcoding of marine protists

HH Zimmermann, S Harðardóttir… - Environmental DNA, 2024 - Wiley Online Library
Marine protists are globally distributed and sensitive to environmental conditions, which
makes them a focal group when studying the effects of climate change on biodiversity and …

Diatom distribution and long-term survival in a heavily polluted sediment core from the Bay of Bagnoli (Tyrrhenian Sea, Italy)

A PELUSI, MLR MARTÍNEZ… - Mediterranean …, 2025 - ejournals.epublishing.ekt.gr
Diatom resting stages can remain viable in sediments for decades and germinate when
exposed to suitable environmental conditions, inoculating the water column and the surface …