Whole-genome analyses disentangle reticulate evolution of primroses in a biodiversity hotspot

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dc.authoridTedoradze, Giorgi/0000-0002-8884-9177
dc.authoridKeller, Barbara/0000-0002-7903-8938
dc.authoridCelep, Ferhat/0000-0003-3280-8373
dc.authoridConti, Elena/0000-0003-1880-2071
dc.authoridPotente, Giacomo/0000-0002-4343-3952
dc.authoridLeveille-Bourret, Etienne/0000-0002-0069-0430
dc.authoridMora Carrera, Emiliano/0000-0001-8237-4265
dc.contributor.authorStubbs, Rebecca L.
dc.contributor.authorTheodoridis, Spyros
dc.contributor.authorMora-Carrera, Emiliano
dc.contributor.authorKeller, Barbara
dc.contributor.authorYousefi, Narjes
dc.contributor.authorPotente, Giacomo
dc.contributor.authorLeveille-Bourret, Etienne
dc.date.accessioned2025-01-21T16:55:57Z
dc.date.available2025-01-21T16:55:57Z
dc.date.issued2023
dc.departmentKırıkkale Üniversitesi
dc.description.abstractBiodiversity hotspots, such as the Caucasus mountains, provide unprecedented opportunities for understanding the evolutionary processes that shape species diversity and richness. Therefore, we investigated the evolution of Primula sect. Primula, a clade with a high degree of endemism in the Caucasus. We performed phylogenetic and network analyses of whole-genome resequencing data from the entire nuclear genome, the entire chloroplast genome, and the entire heterostyly supergene. The different characteristics of the genomic partitions and the resulting phylogenetic incongruences enabled us to disentangle evolutionary histories resulting from tokogenetic vs cladogenetic processes. We provide the first phylogeny inferred from the heterostyly supergene that includes all species of Primula sect. Primula. Our results identified recurrent admixture at deep nodes between lineages in the Caucasus as the cause of non-monophyly in Primula. Biogeographic analyses support the 'out-of-the-Caucasus' hypothesis, emphasizing the importance of this hotspot as a cradle for biodiversity. Our findings provide novel insights into causal processes of phylogenetic discordance, demonstrating that genome-wide analyses from partitions with contrasting genetic characteristics and broad geographic sampling are crucial for disentangling the diversification of species-rich clades in biodiversity hotspots.
dc.description.sponsorshipSwiss National Science Foundation [175556]
dc.description.sponsorshipThis work was supported by the Swiss National Science Foundation (grant number: 175556 to EC). The authors are grateful to Huseyin Baykal, Bryan Drew, Marie-Eve Garon-Labrecque, Monika Janiova, Dimitri Khuskivadze, D. Blaine Marchant, Stina Weststrand, and Parvin Yousefi for fieldwork assistance and sample collection. In Fig. 1, all photographs by authors except Primula renifolia by Stina Weststrand and P. vuheterochroma by Parvin Yousefi. We thank Shalva Sikharulidze, Manana Khutsishvili, and Tamar Jugheli for assistance in Georgia with permits and herbarium specimens. We thank Hector Banos, Mark Ravinet, and Joana Meier for guidance with analyses. We used the PNWColors palette () in Fig. 5. Finally, we thank two anonymous reviewers for their helpful feedback on this manuscript.
dc.identifier.doi10.1111/nph.18525
dc.identifier.endpage671
dc.identifier.issn0028-646X
dc.identifier.issn1469-8137
dc.identifier.issue2
dc.identifier.pmid36210520
dc.identifier.scopus2-s2.0-85142198731
dc.identifier.scopusqualityQ1
dc.identifier.startpage656
dc.identifier.urihttps://doi.org/10.1111/nph.18525
dc.identifier.urihttps://hdl.handle.net/20.500.12587/25876
dc.identifier.volume237
dc.identifier.wosWOS:000883617300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofNew Phytologist
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241229
dc.subjectadmixture; Caucasus; cytonuclear incongruence; hybridization; phylogenomics; Primula; supergene; whole-genome resequencing
dc.titleWhole-genome analyses disentangle reticulate evolution of primroses in a biodiversity hotspot
dc.typeArticle

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