Evidence map›Paper›PMID 29360967›Full record

ArticleGenome biology and evolution2018

Phylogenomics Places Orphan Protistan Lineages in a Novel Eukaryotic Super-Group.

Matthew W Brown, Aaron A Heiss, Ryoma Kamikawa, Yuji Inagaki, Akinori Yabuki, Alexander K Tice, Takashi Shiratori, Ken-Ichiro Ishida, Tetsuo Hashimoto, Alastair G B Simpson and 1 more

Abstract read
In one paragraph

Article in Genome biology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

68 citing papers in PubMed.

  1. Article
  2. 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 · 2026
    Article
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  6. Phylogenomic Analysis of Deep-Branching Telonemid.Genome biology and evolution · 2025
    Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Blue-shifted ancyromonad channelrhodopsins for multiplex optogenetics.bioRxiv : the preprint server for biology · 2025
    Article
  13. Dating the Origin and Spread of Plastids and Chromatophores.International journal of molecular sciences · 2025
    Article
  14. Open biology · 2025
    Article
  15. Article
  16. Evolutionary trajectory for nuclear functions of ciliary transport complex proteins.Microbiology and molecular biology reviews : MMBR · 2024
    Review
  17. The Pathology of the Brain Eating AmoebaIndian journal of microbiology · 2024
    Article
  18. Article
  19. Article
  20. Article

8 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Matthew W BrownDepartment of Biological Sciences, Mississippi State University, USA.
Aaron A HeissDepartment of Biology, and Centre for Comparative Genomics and Evolutionary Bioinformatics, Dalhousie University, Halifax, Nova Scotia, Canada.
Ryoma KamikawaGraduate School of Human and Environmental Studies, Graduate School of Global Environmental Studies, Kyoto University, Japan.
Yuji InagakiGraduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki, Japan.
Akinori YabukiJapan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan.
Alexander K TiceDepartment of Biological Sciences, Mississippi State University, USA.
Takashi ShiratoriGraduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki, Japan.
Ken-Ichiro IshidaGraduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki, Japan.
Tetsuo HashimotoGraduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki, Japan.
Alastair G B SimpsonDepartment of Biology, and Centre for Comparative Genomics and Evolutionary Bioinformatics, Dalhousie University, Halifax, Nova Scotia, Canada.
Andrew J RogerDepartment of Biochemistry and Molecular Biology, and Centre for Comparative Genomics and Evolutionary Bioinformatics, Dalhousie University, Halifax, Nova Scotia, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recent phylogenetic analyses position certain "orphan" protist lineages deep in the tree of eukaryotic life, but their exact placements are poorly resolved. We conducted phylogenomic analyses that incorporate deeply sequenced transcriptomes from representatives of collodictyonids (diphylleids), rigifilids, Mantamonas, and ancyromonads (planomonads). Analyses of 351 genes, using site-heterogeneous mixture models, strongly support a novel super-group-level clade that includes collodictyonids, rigifilids, and Mantamonas, which we name "CRuMs". Further, they robustly place CRuMs as the closest branch to Amorphea (including animals and fungi). Ancyromonads are strongly inferred to be more distantly related to Amorphea than are CRuMs. They emerge either as sister to malawimonads, or as a separate deeper branch. CRuMs and ancyromonads represent two distinct major groups that branch deeply on the lineage that includes animals, near the most commonly inferred root of the eukaryote tree. This makes both groups crucial in examinations of the deepest-level history of extant eukaryotes.

Indexed as

PhylogenyEukaryotaGenomicsHigh-Throughput Nucleotide SequencingTranscriptomeconcatenated phylogenetic analysiseukaryote tree of lifeprotistsite-heterogeneous models

Identifiers

PMID29360967
PMCPMC5793813

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.