ArticleAmerican journal of botany2020
Hybrid capture of 964 nuclear genes resolves evolutionary relationships in the mimosoid legumes and reveals the polytomous origins of a large pantropical radiation.
Article in American journal of botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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38 citing papers in PubMed, 82 citations in OpenAlex.
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- Continuous colonization of the Atlantic coastal rain forests of South America from Amazônia.Proceedings. Biological sciences · 2025Article
- The genomes of seven economic Caesalpinioideae trees provide insights into polyploidization history and secondary metabolite biosynthesis.Plant communications · 2024Article
- Floral ontogeny reveals potential synapomorphies for Senegalia sect. Monacanthea p.p. (Leguminosae).Journal of plant research · 2024Article
- Comparative floral development in Mimosa (Fabaceae: Caesalpinioideae) brings new insights into merism lability in the mimosoid clade.Journal of plant research · 2024Article
- Advances in Legume Systematics 14. Classification of Caesalpinioideae. Part 2: Higher-level classification.PhytoKeys · 2024Article
- Precipitation is the main axis of tropical plant phylogenetic turnover across space and time.Science advances · 2023Article
- A target capture approach for phylogenomic analyses at multiple evolutionary timescales in rosewoods (Dalbergia spp.) and the legume family (Fabaceae).Molecular ecology resources · 2022Article
- The innovation of the symbiosome has enhanced the evolutionary stability of nitrogen fixation in legumes.The New phytologist · 2022Article
- Misleading fruits: The non-monophyly ofPhytoKeys · 2022Article
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Authors and funding
12 authors at 9 institutions in 5 countries.
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No grant is acknowledged in the PubMed record.
Abstract
premiseTargeted enrichment methods facilitate sequencing of hundreds of nuclear loci to enhance phylogenetic resolution and elucidate why some parts of the "tree of life" are difficult (if not impossible) to resolve. The mimosoid legumes are a prominent pantropical clade of ~3300 species of woody angiosperms for which previous phylogenies have shown extensive lack of resolution, especially among the species-rich and taxonomically challenging ingoids.
methodsWe generated transcriptomes to select low-copy nuclear genes, enrich these via hybrid capture for representative species of most mimosoid genera, and analyze the resulting data using de novo assembly and various phylogenomic tools for species tree inference. We also evaluate gene tree support and conflict for key internodes and use phylogenetic network analysis to investigate phylogenetic signal across the ingoids.
resultsOur selection of 964 nuclear genes greatly improves phylogenetic resolution across the mimosoid phylogeny and shows that the ingoid clade can be resolved into several well-supported clades. However, nearly all loci show lack of phylogenetic signal for some of the deeper internodes within the ingoids.
conclusionsLack of resolution in the ingoid clade is most likely the result of hyperfast diversification, potentially causing a hard polytomy of six or seven lineages. The gene set for targeted sequencing presented here offers great potential to further enhance the phylogeny of mimosoids and the wider Caesalpinioideae with denser taxon sampling, to provide a framework for taxonomic reclassification, and to study the ingoid radiation.
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