Resilience of genetic diversity in forest trees over the Quaternary

Milesi, Pascal; Kastally, Chedly; Dauphin, Benjamin; Cervantes, Sandra; Bagnoli, Francesca; Budde, Katharina B.; Cavers, Stephen ORCID: https://orcid.org/0000-0003-2139-9236; Fady, Bruno; Faivre-Rampant, Patricia; González-Martínez, Santiago C.; Grivet, Delphine; Gugerli, Felix; Jorge, Véronique; Lesur Kupin, Isabelle; Ojeda, Dario I.; Olsson, Sanna; Opgenoorth, Lars; Pinosio, Sara; Plomion, Christophe; Rellstab, Christian; Rogier, Odile; Scalabrin, Simone; Scotti, Ivan; Vendramin, Giovanni G.; Westergren, Marjana; Lascoux, Martin; Pyhäjärvi, Tanja; GenTree Consortium, . 2024 Resilience of genetic diversity in forest trees over the Quaternary. Nature Communications, 15, 8538. 13, pp. https://doi.org/10.1038/s41467-024-52612-y

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Official URL: http://dx.doi.org/10.1038/s41467-024-52612-y

Abstract/Summary

The effect of past environmental changes on the demography and genetic diversity of natural populations remains a contentious issue and has rarely been investigated across multiple, phylogenetically distant species. Here, we perform comparative population genomic analyses and demographic inferences for seven widely distributed and ecologically contrasting European forest tree species based on concerted sampling of 164 populations across their natural ranges. For all seven species, the effective population size, Ne, increased or remained stable over many glacial cycles and up to 15 million years in the most extreme cases. Surprisingly, the drastic environmental changes associated with the Pleistocene glacial cycles have had little impact on the level of genetic diversity of dominant forest tree species, despite major shifts in their geographic ranges. Based on their trajectories of Ne over time, the seven tree species can be divided into three major groups, highlighting the importance of life history and range size in determining synchronous variation in genetic diversity over time. Altogether, our results indicate that forest trees have been able to retain their evolutionary potential over very long periods of time despite strong environmental changes.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1038/s41467-024-52612-y
UKCEH and CEH Sections/Science Areas:	Biodiversity (Science Area 2017-)
ISSN:	2041-1723
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
NORA Subject Terms:	Ecology and Environment Botany Data and Information
Related URLs:	Other Dataset Dataset Dataset Dataset Dataset Dataset Dataset Dataset
Date made live:	17 Oct 2024 14:57 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/538263

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1038/s41467-024-52612-y

UKCEH and CEH Sections/Science Areas:

Biodiversity (Science Area 2017-)

ISSN:

2041-1723

Additional Information. Not used in RCUK Gateway to Research.:

Open Access paper - full text available via Official URL link.

NORA Subject Terms:

Ecology and Environment
Botany
Data and Information