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Clitellate worms (Annelida) in late-glacial and Holocene sedimentary DNA records from the Polar Urals and northern Norway

Clitellate worms (Annelida) in late-glacial and Holocene sedimentary DNA records from the Polar Urals and northern Norway
Clitellate worms (Annelida) in late-glacial and Holocene sedimentary DNA records from the Polar Urals and northern Norway
While there are extensive macro- and microfossil records of a range of plants and animals from Quaternary records, earthworms and their close relatives among annelids are not preserved as fossils, and therefore we have limited knowledge of their Quaternary distributions. This lack of fossils means that clitellate worms (Annelida) are currently underused in palaeoecological research, even though they can provide valuable information about terrestrial and aquatic environmental conditions. Their DNA might be preserved in sediments, which offers an alternative method for detection. Here we analyse lacustrine sediments from lakes in the Polar Urals, Arctic Russia, covering the period 24,000-1,300 cal. years BP, and NE Norway (10,700-3,300 cal. years BP) using a universal mammal 16S rDNA marker. While mammals were recorded using the marker (reindeer was detected twice in the Polar Urals core at 23,000 and 14,000 cal. years BP, and four times in the Norwegian core at 11,000 cal. years BP and between 3,600-3,300 cal. years BP), worm extracellular DNA “bycatch” was rather high. In this paper we present the first reported worm detection from ancient DNA. Our results demonstrate that both aquatic and terrestrial clitellates can be identified in late-Quaternary lacustrine sediments, and the ecological information retrievable from this group warrants further research with a more targeted approach.
0300-9483
Lammers, Youri
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Clarke, Charlotte
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Erséus, Christer
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Brown, Antony
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Edwards, Mary
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Gielly, Ludovic
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Haflidason, Haflidi
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Mangerud, Jan
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Rota, Emilia
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Svendsen, John Inge
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Alsos, Inger Greve
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Lammers, Youri
c71f60ba-9ac1-4a58-900d-0679c5ba0eea
Clarke, Charlotte
68afb5e9-7966-4b54-9549-47c49e350f6c
Erséus, Christer
367907f1-96aa-4bff-9b3f-188fab72f110
Brown, Antony
c51f9d3e-02b0-47da-a483-41c354e78fab
Edwards, Mary
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Gielly, Ludovic
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Haflidason, Haflidi
c1a02b7e-0355-4e05-bbbc-b9293527fda9
Mangerud, Jan
fcf45e64-071e-4757-8747-b88fb0bf3b1e
Rota, Emilia
cb2cf243-963e-46b9-b2d6-01c81ba15dc4
Svendsen, John Inge
9ce3f9aa-6eba-4134-be7d-08e1e350789f
Alsos, Inger Greve
88244b90-b66f-4271-9064-db0544dec568

Lammers, Youri, Clarke, Charlotte, Erséus, Christer, Brown, Antony, Edwards, Mary, Gielly, Ludovic, Haflidason, Haflidi, Mangerud, Jan, Rota, Emilia, Svendsen, John Inge and Alsos, Inger Greve (2018) Clitellate worms (Annelida) in late-glacial and Holocene sedimentary DNA records from the Polar Urals and northern Norway. Boreas. (doi:10.1111/bor.12363).

Record type: Article

Abstract

While there are extensive macro- and microfossil records of a range of plants and animals from Quaternary records, earthworms and their close relatives among annelids are not preserved as fossils, and therefore we have limited knowledge of their Quaternary distributions. This lack of fossils means that clitellate worms (Annelida) are currently underused in palaeoecological research, even though they can provide valuable information about terrestrial and aquatic environmental conditions. Their DNA might be preserved in sediments, which offers an alternative method for detection. Here we analyse lacustrine sediments from lakes in the Polar Urals, Arctic Russia, covering the period 24,000-1,300 cal. years BP, and NE Norway (10,700-3,300 cal. years BP) using a universal mammal 16S rDNA marker. While mammals were recorded using the marker (reindeer was detected twice in the Polar Urals core at 23,000 and 14,000 cal. years BP, and four times in the Norwegian core at 11,000 cal. years BP and between 3,600-3,300 cal. years BP), worm extracellular DNA “bycatch” was rather high. In this paper we present the first reported worm detection from ancient DNA. Our results demonstrate that both aquatic and terrestrial clitellates can be identified in late-Quaternary lacustrine sediments, and the ecological information retrievable from this group warrants further research with a more targeted approach.

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ClitellateWormsInSedimentsLammersR1 - Accepted Manuscript
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Accepted/In Press date: 12 October 2018
e-pub ahead of print date: 26 November 2018

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Local EPrints ID: 423564
URI: http://eprints.soton.ac.uk/id/eprint/423564
ISSN: 0300-9483
PURE UUID: 2c9cf591-86d4-486e-8a3f-3364638b9e96
ORCID for Antony Brown: ORCID iD orcid.org/0000-0002-1990-4654
ORCID for Mary Edwards: ORCID iD orcid.org/0000-0002-3490-6682

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Date deposited: 26 Sep 2018 16:30
Last modified: 17 Dec 2019 05:13

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Author: Youri Lammers
Author: Christer Erséus
Author: Antony Brown ORCID iD
Author: Mary Edwards ORCID iD
Author: Ludovic Gielly
Author: Haflidi Haflidason
Author: Jan Mangerud
Author: Emilia Rota
Author: John Inge Svendsen
Author: Inger Greve Alsos

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