Evidence map›Paper›PMID 25232138›Full record

ReviewProceedings. Biological sciences2014

Chordate evolution and the three-phylum system.

Noriyuki Satoh, Daniel Rokhsar, Teruaki Nishikawa

Open access · bronzeAbstract readReview
In one paragraph

Review in Proceedings. Biological sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
33.3field-weighted citation impact, top 1% of its field
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

62 citing papers in PubMed, 174 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Comparison of Evolutionary Relationships betweenInternational journal of molecular sciences · 2023
    Article
  11. Article
  12. Article
  13. Article
  14. Evolution of TOP1 and TOP1MT Topoisomerases in Chordata.Journal of molecular evolution · 2023
    Article
  15. Article
  16. Transitions of motor neuron activities duringFrontiers in cell and developmental biology · 2023
    Article
  17. Article
  18. Evolutionary History of TOPIIA Topoisomerases in Animals.Journal of molecular evolution · 2022
    Article
  19. Review
  20. Article

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 3 institutions in 2 countries.

Noriyuki SatohMarine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa 904-0495, Japan norisky@oist.jp satoh32@gmail.com.
Daniel RokhsarDepartment of Molecular and Cell Biology, University of California, Berkeley, CA 94720-3200, USA.
Teruaki NishikawaDepartment of Biology, Faculty of Science, Toho University, Funabashi, Chiba 274-8510, Japan.
Okinawa Institute of Science and Technology Graduate University · JPToho University · JPUniversity of California, Berkeley · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Traditional metazoan phylogeny classifies the Vertebrata as a subphylum of the phylum Chordata, together with two other subphyla, the Urochordata (Tunicata) and the Cephalochordata. The Chordata, together with the phyla Echinodermata and Hemichordata, comprise a major group, the Deuterostomia. Chordates invariably possess a notochord and a dorsal neural tube. Although the origin and evolution of chordates has been studied for more than a century, few authors have intimately discussed taxonomic ranking of the three chordate groups themselves. Accumulating evidence shows that echinoderms and hemichordates form a clade (the Ambulacraria), and that within the Chordata, cephalochordates diverged first, with tunicates and vertebrates forming a sister group. Chordates share tadpole-type larvae containing a notochord and hollow nerve cord, whereas ambulacrarians have dipleurula-type larvae containing a hydrocoel. We propose that an evolutionary occurrence of tadpole-type larvae is fundamental to understanding mechanisms of chordate origin. Protostomes have now been reclassified into two major taxa, the Ecdysozoa and Lophotrochozoa, whose developmental pathways are characterized by ecdysis and trochophore larvae, respectively. Consistent with this classification, the profound dipleurula versus tadpole larval differences merit a category higher than the phylum. Thus, it is recommended that the Ecdysozoa, Lophotrochozoa, Ambulacraria and Chordata be classified at the superphylum level, with the Chordata further subdivided into three phyla, on the basis of their distinctive characteristics.

Indexed as

Biological EvolutionPhylogenyAnimalsBody PatterningChordataEchinodermataEmbryonic DevelopmentLarvaCephalochordatachordate evolutionthree-phylum systemUrochordataVertebrata

Identifiers

PMID25232138
PMCPMC4211455
OpenAlexW2155070406

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.