ArticleMolecular biology and evolution2019
New Phylogenomic Analysis of the Enigmatic Phylum Telonemia Further Resolves the Eukaryote Tree of Life.
Article in Molecular biology and evolution, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 132 citations in OpenAlex.
- Environmental phylogenetics supports a steady diversification of crown eukaryotes starting from the mid-Proterozoic.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Phylogenetic Resolution and Conflict in the Species-Rich Flowering Plant Family Leguminosae.Systematic biology · 2026Article
- Phylogenomic Analysis of Deep-Branching Telonemid.Genome biology and evolution · 2025Article
- Metagenomics of the MAST-3 stramenopile,Microbial genomics · 2025Article
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- Protists with Uncertain Phylogenetic Affiliations for Resolving the Deep Tree of Eukaryotes.Microorganisms · 2025Review
- Phylogenetic position and mitochondrial genome evolution of "orphan" eukaryotic lineages.iScience · 2025Article
- Dating the Origin and Spread of Plastids and Chromatophores.International journal of molecular sciences · 2025Article
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- Chimeric origins and dynamic evolution of central carbon metabolism in eukaryotes.Nature ecology & evolution · 2025Article
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- TIdeS: A Comprehensive Framework for Accurate Open Reading Frame Identification and Classification in Eukaryotic Transcriptomes.Genome biology and evolution · 2024Article
- A lineage-specific protein network at the trypanosome nuclear envelope.Nucleus (Austin, Tex.) · 2024Article
- The Saint-Leonard Urban Glaciotectonic Cave Harbors Rich and Diverse Planktonic and Sedimentary Microbial Communities.Microorganisms · 2024Article
- Early Diversification of Membrane Intrinsic Proteins (MIPs) in Eukaryotes.Genome biology and evolution · 2024Article
- The ever-changing tree of life.Nature microbiology · 2024Article
- EUKARYOME: the rRNA gene reference database for identification of all eukaryotes.Database : the journal of biological databases and curation · 2024Article
- Chapter 5: Major Biological Innovations in the History of Life on Earth.Astrobiology · 2024Article
- Global freshwater distribution of Telonemia protists.The ISME journal · 2024Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The resolution of the broad-scale tree of eukaryotes is constantly improving, but the evolutionary origin of several major groups remains unknown. Resolving the phylogenetic position of these "orphan" groups is important, especially those that originated early in evolution, because they represent missing evolutionary links between established groups. Telonemia is one such orphan taxon for which little is known. The group is composed of molecularly diverse biflagellated protists, often prevalent although not abundant in aquatic environments. Telonemia has been hypothesized to represent a deeply diverging eukaryotic phylum but no consensus exists as to where it is placed in the tree. Here, we established cultures and report the phylogenomic analyses of three new transcriptome data sets for divergent telonemid lineages. All our phylogenetic reconstructions, based on 248 genes and using site-heterogeneous mixture models, robustly resolve the evolutionary origin of Telonemia as sister to the Sar supergroup. This grouping remains well supported when as few as 60% of the genes are randomly subsampled, thus is not sensitive to the sets of genes used but requires a minimal alignment length to recover enough phylogenetic signal. Telonemia occupies a crucial position in the tree to examine the origin of Sar, one of the most lineage-rich eukaryote supergroups. We propose the moniker "TSAR" to accommodate this new mega-assemblage in the phylogeny of eukaryotes.
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