MycorrhizaeV1, Main, Exploration, bibRecord, 000A92

Ancient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary.

Identifieur interne : 000A92 ( Main/Exploration ); précédent : 000A91; suivant : 000A93

Ancient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary.

Auteurs : Martin Zobel [Estonie] ; John Davison [Estonie] ; Mary E. Edwards [Royaume-Uni] ; Christian Brochmann [Norvège] ; Eric Coissac [France] ; Pierre Taberlet [France] ; Eske Willerslev [Danemark, Royaume-Uni] ; Mari Moora [Estonie]

Source :

Nature communications [ 2041-1723 ] ; 2018.

RBID : pubmed:29321473

Descripteurs français

KwdFr :
- ADN ancien (analyse), Azote (composition chimique), Azote (métabolisme), Climat (MeSH), Cycle du carbone (physiologie), Datation radiométrique (MeSH), Dioxyde de carbone (composition chimique), Dioxyde de carbone (métabolisme), Environnement (MeSH), Fixation de l'azote (physiologie), Histoire ancienne (MeSH), Mycorhizes (classification), Mycorhizes (génétique), Plantes (classification), Plantes (génétique), Pollinisation (physiologie), Symbiose (MeSH), Écosystème (MeSH), Évolution biologique (MeSH).
MESH :
- analyse : ADN ancien.
- composition chimique : Azote, Dioxyde de carbone, Mycorhizes, Plantes.
- génétique : Mycorhizes, Plantes.
- métabolisme : Azote, Dioxyde de carbone.
- physiologie : Cycle du carbone, Fixation de l'azote, Pollinisation.
- Climat, Datation radiométrique, Environnement, Histoire ancienne, Symbiose, Écosystème, Évolution biologique.

English descriptors

KwdEn :
- Biological Evolution (MeSH), Carbon Cycle (physiology), Carbon Dioxide (chemistry), Carbon Dioxide (metabolism), Climate (MeSH), DNA, Ancient (analysis), Ecosystem (MeSH), Environment (MeSH), History, Ancient (MeSH), Mycorrhizae (classification), Mycorrhizae (genetics), Nitrogen (chemistry), Nitrogen (metabolism), Nitrogen Fixation (physiology), Plants (classification), Plants (genetics), Pollination (physiology), Radiometric Dating (MeSH), Symbiosis (MeSH).
MESH :
- chemical , analysis : DNA, Ancient.
- chemical , chemistry : Carbon Dioxide, Nitrogen.
- chemical , metabolism : Carbon Dioxide, Nitrogen.
- classification : Mycorrhizae, Plants.
- genetics : Mycorrhizae, Plants.
- physiology : Carbon Cycle, Nitrogen Fixation, Pollination.
- Biological Evolution, Climate, Ecosystem, Environment, History, Ancient, Radiometric Dating, Symbiosis.

Abstract

DNA-based snapshots of ancient vegetation have shown that the composition of high-latitude plant communities changed considerably during the late Quaternary. However, parallel changes in biotic interactions remain largely uninvestigated. Here we show how mutualisms involving plants and heterotrophic organisms varied during the last 50,000 years. During 50-25 ka BP, a cool period featuring stadial-interstadial fluctuations, arbuscular mycorrhizal and non-N-fixing plants predominated. During 25-15 ka BP, a cold, dry interval, the representation of ectomycorrhizal, non-mycorrhizal and facultatively mycorrhizal plants increased, while that of N-fixing plants decreased further. From 15 ka BP, which marks the transition to and establishment of the Holocene interglaciation, representation of arbuscular mycorrhizal plants decreased further, while that of ectomycorrhizal, non-mycorrhizal, N-fixing and wind-pollinated plants increased. These changes in the mutualist trait structure of vegetation may reflect responses to historical environmental conditions that are without current analogue, or biogeographic processes, such as spatial decoupling of mutualist partners.

DOI: 10.1038/s41467-017-02421-3
PubMed: 29321473
PubMed Central: PMC5762924

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Main, to step Corpus: 000A24
to stream Main, to step Curation: 000A24

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biological Evolution (MeSH)</term>
<term>Carbon Cycle (physiology)</term>
<term>Carbon Dioxide (chemistry)</term>
<term>Carbon Dioxide (metabolism)</term>
<term>Climate (MeSH)</term>
<term>DNA, Ancient (analysis)</term>
<term>Ecosystem (MeSH)</term>
<term>Environment (MeSH)</term>
<term>History, Ancient (MeSH)</term>
<term>Mycorrhizae (classification)</term>
<term>Mycorrhizae (genetics)</term>
<term>Nitrogen (chemistry)</term>
<term>Nitrogen (metabolism)</term>
<term>Nitrogen Fixation (physiology)</term>
<term>Plants (classification)</term>
<term>Plants (genetics)</term>
<term>Pollination (physiology)</term>
<term>Radiometric Dating (MeSH)</term>
<term>Symbiosis (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>ADN ancien (analyse)</term>
<term>Azote (composition chimique)</term>
<term>Azote (métabolisme)</term>
<term>Climat (MeSH)</term>
<term>Cycle du carbone (physiologie)</term>
<term>Datation radiométrique (MeSH)</term>
<term>Dioxyde de carbone (composition chimique)</term>
<term>Dioxyde de carbone (métabolisme)</term>
<term>Environnement (MeSH)</term>
<term>Fixation de l'azote (physiologie)</term>
<term>Histoire ancienne (MeSH)</term>
<term>Mycorhizes (classification)</term>
<term>Mycorhizes (génétique)</term>
<term>Plantes (classification)</term>
<term>Plantes (génétique)</term>
<term>Pollinisation (physiologie)</term>
<term>Symbiose (MeSH)</term>
<term>Écosystème (MeSH)</term>
<term>Évolution biologique (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>DNA, Ancient</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Carbon Dioxide</term>
<term>Nitrogen</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon Dioxide</term>
<term>Nitrogen</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>ADN ancien</term>
</keywords>
<keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Mycorrhizae</term>
<term>Plants</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Azote</term>
<term>Dioxyde de carbone</term>
<term>Mycorhizes</term>
<term>Plantes</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Mycorrhizae</term>
<term>Plants</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Mycorhizes</term>
<term>Plantes</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term>
<term>Dioxyde de carbone</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Cycle du carbone</term>
<term>Fixation de l'azote</term>
<term>Pollinisation</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Carbon Cycle</term>
<term>Nitrogen Fixation</term>
<term>Pollination</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Biological Evolution</term>
<term>Climate</term>
<term>Ecosystem</term>
<term>Environment</term>
<term>History, Ancient</term>
<term>Radiometric Dating</term>
<term>Symbiosis</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Climat</term>
<term>Datation radiométrique</term>
<term>Environnement</term>
<term>Histoire ancienne</term>
<term>Symbiose</term>
<term>Écosystème</term>
<term>Évolution biologique</term>
</keywords>
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<front><div type="abstract" xml:lang="en">DNA-based snapshots of ancient vegetation have shown that the composition of high-latitude plant communities changed considerably during the late Quaternary. However, parallel changes in biotic interactions remain largely uninvestigated. Here we show how mutualisms involving plants and heterotrophic organisms varied during the last 50,000 years. During 50-25 ka BP, a cool period featuring stadial-interstadial fluctuations, arbuscular mycorrhizal and non-N-fixing plants predominated. During 25-15 ka BP, a cold, dry interval, the representation of ectomycorrhizal, non-mycorrhizal and facultatively mycorrhizal plants increased, while that of N-fixing plants decreased further. From 15 ka BP, which marks the transition to and establishment of the Holocene interglaciation, representation of arbuscular mycorrhizal plants decreased further, while that of ectomycorrhizal, non-mycorrhizal, N-fixing and wind-pollinated plants increased. These changes in the mutualist trait structure of vegetation may reflect responses to historical environmental conditions that are without current analogue, or biogeographic processes, such as spatial decoupling of mutualist partners.</div>
</front>
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<Abstract><AbstractText>DNA-based snapshots of ancient vegetation have shown that the composition of high-latitude plant communities changed considerably during the late Quaternary. However, parallel changes in biotic interactions remain largely uninvestigated. Here we show how mutualisms involving plants and heterotrophic organisms varied during the last 50,000 years. During 50-25 ka BP, a cool period featuring stadial-interstadial fluctuations, arbuscular mycorrhizal and non-N-fixing plants predominated. During 25-15 ka BP, a cold, dry interval, the representation of ectomycorrhizal, non-mycorrhizal and facultatively mycorrhizal plants increased, while that of N-fixing plants decreased further. From 15 ka BP, which marks the transition to and establishment of the Holocene interglaciation, representation of arbuscular mycorrhizal plants decreased further, while that of ectomycorrhizal, non-mycorrhizal, N-fixing and wind-pollinated plants increased. These changes in the mutualist trait structure of vegetation may reflect responses to historical environmental conditions that are without current analogue, or biogeographic processes, such as spatial decoupling of mutualist partners.</AbstractText>
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<ForeName>John</ForeName>
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<AffiliationInfo><Affiliation>Department of Botany, Institute of Ecology and Earth Sciences, University of Tartu, 40 Lai Street, 51005, Tartu, Estonia.</Affiliation>
</AffiliationInfo>
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<AffiliationInfo><Affiliation>Geography and Environment, University of Southampton, Highfield, Southampton, SO17 1BJ, UK.</Affiliation>
</AffiliationInfo>
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Ancient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary.

Ancient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary.

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