ArticleGenome biology and evolution2017
Investigating Difficult Nodes in the Placental Mammal Tree with Expanded Taxon Sampling and Thousands of Ultraconserved Elements.
Article in Genome biology and evolution, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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47 citing papers in PubMed, 117 citations in OpenAlex.
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- The evolution of antimicrobial peptides in Chiroptera.Frontiers in immunology · 2023Article
- Predicting Species Boundaries and Assessing Undescribed Diversity inJournal of fungi (Basel, Switzerland) · 2022Article
- Phylogenomics and Diversification of the Schistosomatidae Based on Targeted Sequence Capture of Ultra-Conserved Elements.Pathogens (Basel, Switzerland) · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The phylogeny of eutherian mammals contains some of the most recalcitrant nodes in the tetrapod tree of life. We combined comprehensive taxon and character sampling to explore three of the most debated interordinal relationships among placental mammals. We performed in silico extraction of ultraconserved element loci from 72 published genomes and invitro enrichment and sequencing of ultraconserved elements from 28 additional mammals, resulting in alignments of 3,787 loci. We analyzed these data using concatenated and multispecies coalescent phylogenetic approaches, topological tests, and exploration of support among individual loci to identify the root of Eutheria and the sister groups of tree shrews (Scandentia) and horses (Perissodactyla). Individual loci provided weak, but often consistent support for topological hypotheses. Although many gene trees lacked accepted species-tree relationships, summary coalescent topologies were largely consistent with inferences from concatenation. At the root of Eutheria, we identified consistent support for a sister relationship between Xenarthra and Afrotheria (i.e., Atlantogenata). At the other nodes of interest, support was less consistent. We suggest Scandentia is the sister of Primatomorpha (Euarchonta), but we failed to reject a sister relationship between Scandentia and Glires. Similarly, we suggest Perissodactyla is sister to Cetartiodactyla (Euungulata), but a sister relationship between Perissodactyla and Chiroptera remains plausible.
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