Evidence map›Paper›PMID 19571238›Full record

ReviewPhilosophical transactions of the Royal Society of London. Series B, Biological sciences2009

Genome beginnings: rooting the tree of life.

James A Lake, Ryan G Skophammer, Craig W Herbold, Jacqueline A Servin

Abstract readReview
In one paragraph

Review in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing 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

40 citing papers in PubMed.

  1. Review
  2. Tracing the Origin and Evolution of the Secondary Structure of RNA.Methods in molecular biology (Clifton, N.J.) · 2026
    Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Descent of Bacteria and Eukarya From an Archaeal Root of Life.Evolutionary bioinformatics online · 2020
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Genome size evolution in the Archaea.Emerging topics in life sciences · 2018
    Article
  14. Review
  15. Article
  16. Review
  17. Integrative modeling of gene and genome evolution roots the archaeal tree of life.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  18. Review
  19. New substitution models for rooting phylogenetic trees.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015
    Article
  20. Article
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

4 authors.

James A LakeDepartment of Molecular, Cellular and Developmental Biology, University of California, Los Angeles, CA 90095, USA. lake@mbi.ucla.edu
Ryan G Skophammer
Craig W Herbold
Jacqueline A Servin

Funding

Training Grant in Genomic Analysis and InterpretationT32HG002536 · NHGRI · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI Valerie A Arboleda, Harold Pimentel · 2002 to 2026
$8.6M
NHGRI NIH HHS T32 HG002536
6 · The paper itself

Abstract

A rooted tree of life provides a framework to answer central questions about the evolution of life. Here we review progress on rooting the tree of life and introduce a new root of life obtained through the analysis of indels, insertions and deletions, found within paralogous gene sets. Through the analysis of indels in eight paralogous gene sets, the root is localized to the branch between the clade consisting of the Actinobacteria and the double-membrane (Gram-negative) prokaryotes and one consisting of the archaebacteria and the firmicutes. This root provides a new perspective on the habitats of early life, including the evolution of methanogenesis, membranes and hyperthermophily, and the speciation of major prokaryotic taxa. Our analyses exclude methanogenesis as a primitive metabolism, in contrast to previous findings. They parsimoniously imply that the ether archaebacterial lipids are not primitive and that the cenancestral prokaryotic population consisted of organisms enclosed by a single, ester-linked lipid membrane, covered by a peptidoglycan layer. These results explain the similarities previously noted by others between the lipid synthesis pathways in eubacteria and archaebacteria. The new root also implies that the last common ancestor was not hyperthermophilic, although moderate thermophily cannot be excluded.

Indexed as

BiodiversityEvolution, MolecularPhylogenyClassificationGenomeMembrane LipidsMembrane Lipids

Identifiers

PMID19571238
PMCPMC2873003

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.