Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 NORCE Norwegian Research Centre AS NORCE https://www.norceresearch.no https://ror.org/02gagpf75 Vollmar Nele Manon nevo@norceresearch.no 0000-0003-4180-3443 NORCE Norwegian Research Centre AS NORCE https://www.norceresearch.no https://ror.org/02gagpf75 Cordier Tristan trco@norceresearch.no 0000-0001-7398-4790 NORCE Norwegian Research Centre AS NORCE https://www.norceresearch.no https://ror.org/02gagpf75 Weiner Agnes K M agwe@norceresearch.no 0000-0002-9917-5235 NORCE Norwegian Research Centre AS NORCE https://www.norceresearch.no https://ror.org/02gagpf75 Müller Juliane juliane.mueller@awi.de https://www.awi.de/en/about-us/organisation/staff/single-view/juliane-mueller.html 0000-0003-0724-4131 Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven AWI https://www.awi.de/ https://ror.org/032e6b942 De Schepper Stijn stde@norceresearch.no 0000-0002-6934-0914 NORCE Norwegian Research Centre AS NORCE https://www.norceresearch.no https://ror.org/02gagpf75 2026 Polarella glacialis gene copies from Yermak Plateau sediment core KH21-234-34GC1 dataset https://doi.org/10.1594/PANGAEA.989275 2026-01-30T13:39:45 Gene copies of the sympagic dinoflagellate Polarella glacialis were determined by droplet digital PCR on samples from marine sediment core KH21-234-34GC collected from the Yermak Plateu (81.2199280 ˚N, 2.3710955˚E ) with a gravity corer at 1011m water depth during cruise KH21-234. DNA from gravity core sediments was extracted in the NORCE ancient DNA laboratory using the DNeasy PowerMax Soil Kit (Qiagen). Primers targeting the ITS1 region of P. glacialis were used in ddPCR reactions to determine gene copies per g of sediment. Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Vollmar Nele Manon nevo@norceresearch.no 0000-0003-4180-3443 Cordier Tristan trco@norceresearch.no 0000-0001-7398-4790 Weiner Agnes K M agwe@norceresearch.no 0000-0002-9917-5235 Müller Juliane juliane.mueller@awi.de https://www.awi.de/en/about-us/organisation/staff/single-view/juliane-mueller.html 0000-0003-0724-4131 Larsen Aud Aud.Larsen@uib.no 0000-0001-6927-5537 De Schepper Stijn stde@norceresearch.no 0000-0002-6934-0914 2026 First-year sea ice history in the Arctic Ocean inferred from ancient DNA of Polerella glacialis over the past 50,000 years journal article Earth and Planetary Science Letters 678 https://doi.org/10.1016/j.epsl.2025.119809 119809 2.371095542 2.371095542 81.21992801 81.21992801 2.371095542 81.21992801 2021-07-07T14:42:29 2021-07-07T14:42:29 0.1 4.5 European Research Council ERC https://doi.org/10.13039/501100000781 101118519 Into the Blue - Resolving past Arctic greenhouse climate (i2B) doi:10.3030/101118519 Horizon 2020 H2020 https://ec.europa.eu/programmes/horizon2020/ https://doi.org/10.13039/501100007601 818449 Genetic information for Arctic sea ice study doi:10.3030/818449 KH21-234-34GC 81.21992801 2.371095542 -1011.0 2021-07-07T14:42:29 466 cm KH21-234 https://hdl.handle.net/11250/3022675 De Schepper, Stijn Larsen, Aud 2021-06-30 2021-07-11 Longyearbyen, Svalbard and Jan Mayen Longyearbyen, Svalbard and Jan Mayen Kronprins Haakon https://npolar.no/en/kronprins-haakon/ 3YYQ 9739587 Gravity corer GC 816 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ Cruise/expedition Expedition Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Expedition Station label Station Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Station Core Core Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Core Section Section # Abundance or Count Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Section [#] DEPTH, sediment/rock Depth sed m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock Length L http://dbpedia.org/resource/Length Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Cumulative depth Depth sed [m] (Cumulative depth) Depth, section Depth sect cm depth http://purl.obolibrary.org/obo/PATO_0001595 Length L http://dbpedia.org/resource/Length Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Top depth (in section) Depth sect [cm] (Top depth (in section)) Depth, section Depth sect cm depth http://purl.obolibrary.org/obo/PATO_0001595 Length L http://dbpedia.org/resource/Length Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Bottom depth (in section) Depth sect [cm] (Bottom depth (in section)) Sample ID Sample ID Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Sample ID Laboratory code/label Lab label label http://purl.obolibrary.org/obo/CHEBI_35209 Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Lab label AGE Age ka BP http://en.wikipedia.org/wiki/Kyr age http://purl.obolibrary.org/obo/PATO_0000011 Time T http://dbpedia.org/resource/Time Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Age [ka BP] Gene copies per gram sediment GCN per sed #/g Droplet digital polymerase chain reaction (ddPCR); DNA extracted using DNeasy PowerMax Soil Kit (Qiagen) Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Polarella glacialis, replicate A GCN per sed [#/g] (Polarella glacialis, replicat...) Gene copies per gram sediment GCN per sed #/g Droplet digital polymerase chain reaction (ddPCR); DNA extracted using DNeasy PowerMax Soil Kit (Qiagen) Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Polarella glacialis, replicate B GCN per sed [#/g] (Polarella glacialis, replicat...) Gene copies per gram sediment GCN per sed #/g Droplet digital polymerase chain reaction (ddPCR); DNA extracted using DNeasy PowerMax Soil Kit (Qiagen) Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Polarella glacialis, replicate C GCN per sed [#/g] (Polarella glacialis, replicat...) Gene copies per gram sediment GCN per sed #/g Average Mayers Kyle M J kyma@norceresearch.no 0000-0001-9595-8702 Polarella glacialis, Average all replicates GCN per sed [#/g] (Polarella glacialis, Average ...) CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable Arctic Dinoflagellate gene copy number Magnetic susceptibility Radiocarbon Sea ice author31802 author34456 author35356 author45616 author64848 author74977 author78174 award2013 award4582 basis5396 campaign53157 curlevel30 event3341458 funder20475 funder20666 geocode1 geocode1599 geocode1600 geocode1601 geocode2205 geocode8128 inst20696 inst32 journal4644 license21 method11107 method18619 method7433 param102005 param132179 param16065 param188227 param189911 param48492 param514924 param59344 pi64848 ref137373 term1073131 term1073135 term1073499 term38263 term40892 term41056 term43863 term43975 term44025 term47389 term50622 term69726 term732 term818