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  Transposable Elements in the Genome of the Lichen-Forming Fungus Umbilicaria pustulata and Their Distribution in Different Climate Zones along Elevation

Grande, F. D., Jamilloux, V., Choisne, N., Calchera, A., Rolshausen, G., Petersen, M., et al. (2021). Transposable Elements in the Genome of the Lichen-Forming Fungus Umbilicaria pustulata and Their Distribution in Different Climate Zones along Elevation. Biology, 11: 24. doi:10.3390/biology11010024.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000D-1DA9-5 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000D-1DAA-4
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10.3390_biology11010024.pdf (Verlagsversion), 2MB
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https://hdl.handle.net/21.11116/0000-000D-1DAB-3
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10.3390_biology11010024.pdf
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Copyright Datum:
2021
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by the authors. Licensee MDPI, Basel, Switzerland.
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https://creativecommons.org/licenses/by/4.0/

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https://www.mdpi.com/2079-7737/11/1/24 (Verlagsversion)
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 Urheber:
Grande, Francesco Dal1, Autor
Jamilloux, Véronique1, Autor
Choisne, Nathalie1, Autor
Calchera, Anjuli1, Autor
Rolshausen, Gregor1, Autor
Petersen, Malte2, Autor
Schulz, Meike1, Autor
Nilsson, Maria A1, Autor
Schmitt, Imke1, Autor
Affiliations:
1External Organizations, ou_persistent22              
2Max Planck Institute of Immunobiology and Epigenetics, Max Planck Society, ou_2243648              

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Schlagwörter: TEs; environmental gradient; lichens; population genomics; terrestrial symbiosis
 Zusammenfassung: Transposable elements (TEs) are an important source of genome plasticity across the tree of life. Drift and natural selection are important forces shaping TE distribution and accumulation. Fungi, with their multifaceted phenotypic diversity and relatively small genome size, are ideal models to study the role of TEs in genome evolution and their impact on the host's ecological and life history traits. Here we present an account of all TEs found in a high-quality reference genome of the lichen-forming fungus Umbilicaria pustulata, a macrolichen species comprising two climatic ecotypes: Mediterranean and cold temperate. We trace the occurrence of the newly identified TEs in populations along three elevation gradients using a Pool-Seq approach to identify TE insertions of potential adaptive significance. We found that TEs cover 21.26% of the 32.9 Mbp genome, with LTR Gypsy and Copia clades being the most common TEs. We identified 28 insertions displaying consistent insertion frequency differences between the two host ecotypes across the elevation gradients. Most of the highly differentiated insertions were located near genes, indicating a putative function. This pioneering study of the content and climate niche-specific distribution of TEs in a lichen-forming fungus contributes to understanding the roles of TEs in fungal evolution.

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Sprache(n): eng - English
 Datum: 2021-12-24
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.3390/biology11010024
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Titel: Biology
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Basel, Switzerland : MDPI
Seiten: - Band / Heft: 11 Artikelnummer: 24 Start- / Endseite: - Identifikator: Anderer: 2079-7737
CoNE: https://pure.mpg.de/cone/journals/resource/2079-7737