Evidence map›Paper›PMID 10871366›Full record

ArticleNucleic acids research2000

Evolutionary appearance of genes encoding proteins associated with box H/ACA snoRNAs: cbf5p in Euglena gracilis, an early diverging eukaryote, and candidate Gar1p and Nop10p homologs in archaebacteria.

Y Watanabe, M W Gray

Open access · hybridAbstract read
In one paragraph

Article in Nucleic acids research, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

55 citing papers in PubMed, 82 citations in OpenAlex.

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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

2 authors at 1 institution in 1 country.

Y WatanabeProgram in Evolutionary Biology, Canadian Institute for Advanced Research, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 4H7, Canada.
M W Gray
Canadian Institute for Advanced Research · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A reverse transcription-polymerase chain reaction (RT-PCR) approach was used to clone a cDNA encoding the Euglena gracilis homolog of yeast Cbf5p, a protein component of the box H/ACA class of snoRNPs that mediate pseudouridine formation in eukaryotic rRNA. Cbf5p is a putative pseudouridine synthase, and the Euglena homolog is the first full-length Cbf5p sequence to be reported for an early diverging unicellular eukaryote (protist). Phylogenetic analysis of putative pseudouridine synthase sequences confirms that archaebacterial and eukaryotic (including Euglena) Cbf5p proteins are specifically related and are distinct from the TruB/Pus4p clade that is responsible for formation of pseudouridine at position 55 in eubacterial (TruB) and eukaryotic (Pus4p) tRNAs. Using a bioinformatics approach, we also identified archaebacterial genes encoding candidate homologs of yeast Gar1p and Nop10p, two additional proteins known to be associated with eukaryotic box H/ACA snoRNPs. These observations raise the possibility that pseudouridine formation in archaebacterial rRNA may be dependent on analogs of the eukaryotic box H/ACA snoRNPs, whose evolutionary origin may therefore predate the split between Archaea (archaebacteria) and Eucarya (eukaryotes). Database searches further revealed, in archaebacterial and some eukaryotic genomes, two previously unrecognized groups of genes (here designated 'PsuX' and 'PsuY') distantly related to the Cbf5p/TruB gene family.

Indexed as

Evolution, MolecularHydro-LyasesPhylogenyRibonucleoproteins, Small NuclearRibonucleoproteins, Small NucleolarSaccharomyces cerevisiae ProteinsAmino Acid SequenceAnimalsArchaeaArchaeal ProteinsBase SequenceCloning, MolecularEuglena gracilisFungal ProteinsHumansMicrotubule-Associated ProteinsArchaeal ProteinsCBF5 protein, S cerevisiaeFungal ProteinsGAR1 protein, S cerevisiaeHydro-LyasesMicrotubule-Associated ProteinsNOP10 protein, S cerevisiaeNuclear ProteinsOligodeoxyribonucleotidesRibonucleoproteins, Small NuclearRibonucleoproteins, Small NucleolarRNA-Binding ProteinsRNA, Small NuclearSaccharomyces cerevisiae Proteins

Identifiers

PMID10871366
PMCPMC102724
OpenAlexW2127471044

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.