Evidence map›Paper›PMID 18586827›Full record

ArticleNucleic acids research2008

Mrd1p binds to pre-rRNA early during transcription independent of U3 snoRNA and is required for compaction of the pre-rRNA into small subunit processomes.

Asa Segerstolpe, Pär Lundkvist, Yvonne N Osheim, Ann L Beyer, Lars Wieslander

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.4field-weighted citation impact, top 20% 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

17 citing papers in PubMed, 19 citations in OpenAlex.

  1. Article
  2. Article
  3. Ribosome assembly coming into focus.Nature reviews. Molecular cell biology · 2019
    Review
  4. Article
  5. Article
  6. Article
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  13. Powering through ribosome assembly.RNA (New York, N.Y.) · 2009
    Review
  14. Article
  15. Article
  16. Review
  17. 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

5 authors at 2 institutions in 2 countries.

Asa SegerstolpeDepartment of Molecular Biology and Functional Genomics, Stockholm University, SE-106 91, Stockholm, Sweden.
Pär Lundkvist
Yvonne N Osheim
Ann L Beyer
Lars Wieslander
Stockholm University · SEUniversity of Virginia Health System · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In Saccharomyces cerevisiae, synthesis of the small ribosomal subunit requires assembly of the 35S pre-rRNA into a 90S preribosomal complex. SnoRNAs, including U3 snoRNA, and many trans-acting proteins are required for the ordered assembly and function of the 90S preribosomal complex. Here, we show that the conserved protein Mrd1p binds to the pre-rRNA early during transcription and is required for compaction of the pre-18S rRNA into SSU processome particles. We have exploited the fact that an Mrd1p-GFP fusion protein is incorporated into the 90S preribosomal complex, where it acts as a partial loss-of-function mutation. When associated with the pre-rRNA, Mrd1p-GFP functionally interacts with the essential Pwp2, Mpp10 and U3 snoRNP subcomplexes that are functionally interconnected in the 90S preribosomal complex. The fusion protein can partially support 90S preribosome-mediated cleavages at the A(0)-A(2) sites. At the same time, on a substantial fraction of transcripts, the composition and/or structure of the 90S preribosomal complex is perturbed by the fusion protein in such a way that cleavage of the 35S pre-rRNA is either blocked or shifted to aberrant sites. These results show that Mrd1p is required for establishing productive structures within the 90S preribosomal complex.

Indexed as

Cell NucleolusCell NucleusMutationPhosphoproteinsRecombinant Fusion ProteinsRibonucleoproteinsRibosomal ProteinsRibosome Subunits, Small, EukaryoticRNA-Binding ProteinsRNA PrecursorsRNA Processing, Post-TranscriptionalRNA, RibosomalRNA, Small NucleolarSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTranscription, GeneticMPP10 protein, S cerevisiaeMrd1 protein, S cerevisiaePhosphoproteinsPWP2 protein, S cerevisiaeRecombinant Fusion ProteinsRibonucleoproteinsRibosomal ProteinsRNA-Binding ProteinsRNA PrecursorsRNA, RibosomalRNA, Small NucleolarRNA, U3 small nucleolarSaccharomyces cerevisiae Proteins

Identifiers

PMID18586827
PMCPMC2490760
OpenAlexW2043479556

What OpenQuestion holds

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LicenceCC BY-NC
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.