ArticleThe New phytologist2023
Whole-genome analyses disentangle reticulate evolution of primroses in a biodiversity hotspot.
Article in The New phytologist, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 21 citations in OpenAlex.
- Phylogenomic blind spots: the limits of UCE and BUSCO loci in the presence of gene flow.Molecular biology and evolution · 2026Article
- The Late Quaternary climate impact on the genome of the woodland strawberry (Fragaria vesca), a perennial herb.Communications biology · 2026Article
- Conservation Implications for the Iberian Narrow EndemicEcology and evolution · 2025Article
- Genomic Patterns of Loss of Distyly and Polyploidization in Primroses.Molecular biology and evolution · 2025Article
- Genomic DNA barcodes provide novel insights into species delimitation in the complex Camellia sect. Thea (Theaceae).BMC plant biology · 2025Article
- Unveiling the Genome-Wide Consequences of Range Expansion and Mating System Transitions in Primula vulgaris.Genome biology and evolution · 2024Article
- Karyotypic stasis and swarming influenced the evolution of viral tolerance in a species-rich bat radiation.Cell genomics · 2024Article
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Authors and funding
12 authors at 7 institutions in 7 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biodiversity 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.
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