Evidence map›Paper›PMID 34570750›Full record

ArticlePLoS genetics2021

A broad analysis of splicing regulation in yeast using a large library of synthetic introns.

Dvir Schirman, Zohar Yakhini, Yitzhak Pilpel, Orna Dahan

Open access · goldAbstract read
In one paragraph

Article in PLoS genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.8field-weighted citation impact, top 14% 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

25 citing papers in PubMed, 34 citations in OpenAlex.

  1. The power of many: when genetics met yeasts and high-throughput.Biological reviews of the Cambridge Philosophical Society · 2026
    Review
  2. Article
  3. Article
  4. Article
  5. Control of gene output by intron RNA structure.bioRxiv : the preprint server for biology · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. DecodingbioRxiv : the preprint server for biology · 2025
    Article
  13. Article
  14. Article
  15. Review
  16. PTBP3 Mediates IL-18 Exon Skipping to Promote Immune Escape in Gallbladder Cancer.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024
    Article
  17. Regulatory activity is the default DNA state in eukaryotes.Nature structural & molecular biology · 2024
    Article
  18. Article
  19. Article
  20. Review
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 at 2 institutions in 1 country.

Dvir SchirmanDepartment of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.ORCID 0000-0001-5175-0176
Zohar YakhiniSchool of Computer Science, Herzliya Interdisciplinary Center, Herzliya, Israel.ORCID 0000-0002-0420-5412
Yitzhak PilpelDepartment of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.ORCID 0000-0003-3200-9344
Orna DahanDepartment of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.
Weizmann Institute of Science · ILReichman University · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

RNA splicing is a key process in eukaryotic gene expression, in which an intron is spliced out of a pre-mRNA molecule to eventually produce a mature mRNA. Most intron-containing genes are constitutively spliced, hence efficient splicing of an intron is crucial for efficient regulation of gene expression. Here we use a large synthetic oligo library of ~20,000 variants to explore how different intronic sequence features affect splicing efficiency and mRNA expression levels in S. cerevisiae. Introns are defined by three functional sites, the 5' donor site, the branch site, and the 3' acceptor site. Using a combinatorial design of synthetic introns, we demonstrate how non-consensus splice site sequences in each of these sites affect splicing efficiency. We then show that S. cerevisiae splicing machinery tends to select alternative 3' splice sites downstream of the original site, and we suggest that this tendency created a selective pressure, leading to the avoidance of cryptic splice site motifs near introns' 3' ends. We further use natural intronic sequences from other yeast species, whose splicing machineries have diverged to various extents, to show how intron architectures in the various species have been adapted to the organism's splicing machinery. We suggest that the observed tendency for cryptic splicing is a result of a loss of a specific splicing factor, U2AF1. Lastly, we show that synthetic sequences containing two introns give rise to alternative RNA isoforms in S. cerevisiae, demonstrating that merely a synthetic fusion of two introns might be suffice to facilitate alternative splicing in yeast. Our study reveals novel mechanisms by which introns are shaped in evolution to allow cells to regulate their transcriptome. In addition, it provides a valuable resource to study the regulation of constitutive and alternative splicing in a model organism.

Indexed as

RNA SplicingComputational BiologyEvolution, MolecularGenes, FungalHigh-Throughput Nucleotide SequencingIntronsRNA, MessengerSaccharomyces cerevisiaeRNA, Messenger

Identifiers

PMID34570750
PMCPMC8496845
OpenAlexW3203003904

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.