Exploring different methodological approaches to unlock paleobiodiversity in peat profiles using ancient DNA

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Exploring different methodological approaches to unlock paleobiodiversity in peat profiles using ancient DNA

Fracasso, Ilaria (author): Free University of Bozen-Bolzano

Zaccone, Claudio (author): University of Verona

Oskolkov, Nikolay (author): Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Bioinformatik,Forskargrupper vid Lunds universitet,LTH profilområde: Teknik för hälsa,LTH profilområden,Lunds Tekniska Högskola,Molecular Cell Biology,Department of Biology,Faculty of Science,Bioinformatics,Lund University Research Groups,LTH Profile Area: Engineering Health,LTH Profile areas,Faculty of Engineering, LTH

Da Ros, Luca (author): Free University of Bozen-Bolzano

Dinella, Anna (author): Free University of Bozen-Bolzano

Belelli Marchesini, Luca (author): Edmund Mach Foundation

Buzzini, Pietro (author): University of Perugia

Sannino, Ciro (author): University of Perugia

Turchetti, Benedetta (author): University of Perugia

Cesco, Stefano (author): Free University of Bozen-Bolzano

Le Roux, Gael (author): University of Toulouse

Tonon, Giustino (author): Free University of Bozen-Bolzano

Vernesi, Cristiano (author): Edmund Mach Foundation

Mimmo, Tanja (author): Free University of Bozen-Bolzano

Ventura, Maurizio (author): Free University of Bozen-Bolzano

Borruso, Luigimaria (author): Free University of Bozen-Bolzano

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(creator_code:org_t)

2024
2024
English.
In: Science of the Total Environment. - 0048-9697. ; 908

Related links:: http://dx.doi.org/10...; show more...; https://lup.lub.lu.s...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Natural and human-induced environmental changes deeply affected terrestrial ecosystems throughout the Holocene. Paleoenvironmental reconstructions provide information about the past and allow us to predict/model future scenarios. Among potential records, peat bogs are widely used because they present a precise stratigraphy and act as natural archives of highly diverse organic remains. Over the decades, several techniques have been developed to identify debris occurring in peat, including their morphological description. However, this is strongly constrained by the researcher's ability to distinguish residues at the species level, which typically requires many years of experience. In addition, potential contamination hampers using these techniques to obtain information from organisms such as fungi or bacteria. Environmental DNA metabarcoding and shotgun metagenome sequencing could represent a solution to detect specific groups of organisms without any a priori knowledge of their characteristics and/or to identify organisms that have rarely been considered in previous investigations. Moreover, shotgun metagenomics may allow the identification of bacteria and fungi (including both yeast and filamentous life forms), ensuring discrimination between ancient and modern organisms through the study of deamination/damage patterns. In the present review, we aim to i) present the state-of-the-art methodologies in paleoecological and paleoclimatic studies focusing on peat core analyses, proposing alternative approaches to the classical morphological identification of plant residues, and ii) suggest biomolecular approaches that will allow the use of proxies such as invertebrates, fungi, and bacteria, which are rarely employed in paleoenvironmental reconstructions.

Subject headings

NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
NATURVETENSKAP -- Data- och informationsvetenskap -- Bioinformatik (hsv//swe)
NATURAL SCIENCES -- Computer and Information Sciences -- Bioinformatics (hsv//eng)
NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)

Keyword

Ancient DNA
Climate change
Deamination patterns
Metagenomic
Paleobiodiversity
Soil ecology

Publication and Content Type

art (subject category)
ref (subject category)

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By the author/editor: Fracasso, Ilaria; Zaccone, Claudio; Oskolkov, Nikola ...; Da Ros, Luca; Dinella, Anna; Belelli Marchesi ...; show more...; Buzzini, Pietro; Sannino, Ciro; Turchetti, Bened ...; Cesco, Stefano; Le Roux, Gael; Tonon, Giustino; Vernesi, Cristia ...; Mimmo, Tanja; Ventura, Maurizi ...; Borruso, Luigima ...; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Environmental Sc ...

NATURAL SCIENCES: NATURAL SCIENCES; and Computer and Inf ...; and Bioinformatics

NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Ecology

Articles in the publication: Science of the T ...

By the university: Lund University

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