Object's details: Lake microbiome and trophy fluctuations of the ancient hemp rettery

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Lake microbiome and trophy fluctuations of the ancient hemp rettery
Creator:
Iwańska, Olga;
Latoch, Przemysław;
Suchora, Magdalena;
Pidek, Irena A;
Huber, Miłosz;
Bubak, Iwona;
Kopik, Natalia;
Kovalenko, Mariia;
Gąsiorowski, Michał;
Armache, Jean-Paul;
Starosta, Agata L
Description:
Lake sediments not only store the long-term ecological information including pollen and microfossils but are also a source of sedimentary DNA (sedDNA). Here, by the combination of traditional multi-proxy paleolimnological methods with the whole-metagenome shotgun-sequencing of sedDNA we were able to paint a comprehensive picture of the fluctuations in trophy and bacterial diversity and metabolism of a small temperate lake in response to hemp retting, across the past 2000 years. Hemp retting (HR), a key step in hemp fibre production, was historically carried out in freshwater reservoirs and had a negative impact on the lake ecosystems. In Lake Slone, we identified two HR events, during the late stage of the Roman and Early Medieval periods and correlated these to the increased trophy and imbalanced lake microbiome. The metagenomic analyses showed a higher abundance of Chloroflexi, Planctomycetes and Bacteroidetes and a functional shift towards anaerobic metabolism, including degradation of complex biopolymers such as pectin and cellulose, during HR episodes. The lake eutrophication during HR was linked to the allochthonous, rather than autochthonous carbon supply—hemp straws. We also showed that the identification of HR based on the palynological analysis of hemp pollen may be inconclusive and we suggest the employment of the fibre count analysis as an additional and independent proxy.
Object availability:
free access
Date:
2022.05.15
Type:
Article;
PeerReviewed
Language:
English
Format:
application/pdf
Relation: http://eprints.ibb.waw.pl/2149 ;https://www.nature.com/articles/s41598-022-12761-w
Subject:
GE Environmental Sciences
Identifier: http://eprints.ibb.waw.pl/2149/6/Iwanska_et_al-2022-Scientific_Reports.pdf ;
Iwańska, Olga and Latoch, Przemysław and Suchora, Magdalena and Pidek, Irena A and Huber, Miłosz and Bubak, Iwona and Kopik, Natalia and Kovalenko, Mariia and Gąsiorowski, Michał and Armache, Jean-Paul and Starosta, Agata L (2022) Lake microbiome and trophy fluctuations of the ancient hemp rettery. Scientific Reports, 12 . ISSN 2045-2322
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: Lake microbiome and trophy fluctuations of the ancient hemp rettery

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