Evidence map›Paper›PMID 25973601›Full record

ArticlePLoS genetics2015

Autoselection of cytoplasmic yeast virus like elements encoding toxin/antitoxin systems involves a nuclear barrier for immunity gene expression.

Alene Kast, Raphael Voges, Michael Schroth, Raffael Schaffrath, Roland Klassen, Friedhelm Meinhardt

Open access · goldAbstract read
In one paragraph

Article in PLoS genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
6.7field-weighted citation impact, top 4% 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

19 citing papers in PubMed, 32 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Ancient origin and high diversity of zymocin-like killer toxins in the budding yeast subphylum.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  7. The evolutionary ecology of fungal killer phenotypes.Proceedings. Biological sciences · 2023
    Review
  8. Discovery of a rapidly evolving yeast defense factor,Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  9. Article
  10. Article
  11. Article
  12. ForestEcology and evolution · 2021
    Article
  13. Review
  14. Viruses · 2018
    Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Five Questions about Mycoviruses.PLoS pathogens · 2015
    Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Alene KastInstitut für Molekulare Mikrobiologie und Biotechnologie, Westfälische Wilhelms-Universität Münster, Münster, Germany.
Raphael VogesInstitut für Molekulare Mikrobiologie und Biotechnologie, Westfälische Wilhelms-Universität Münster, Münster, Germany.
Michael SchrothFachgebiet Mikrobiologie, Universität Kassel, Kassel, Germany.
Raffael SchaffrathFachgebiet Mikrobiologie, Universität Kassel, Kassel, Germany.
Roland KlassenFachgebiet Mikrobiologie, Universität Kassel, Kassel, Germany.
Friedhelm MeinhardtInstitut für Molekulare Mikrobiologie und Biotechnologie, Westfälische Wilhelms-Universität Münster, Münster, Germany.
University of Kassel · DEUniversity of Münster · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytoplasmic virus like elements (VLEs) from Kluyveromyces lactis (Kl), Pichia acaciae (Pa) and Debaryomyces robertsiae (Dr) are extremely A/T-rich (>75%) and encode toxic anticodon nucleases (ACNases) along with specific immunity proteins. Here we show that nuclear, not cytoplasmic expression of either immunity gene (PaORF4, KlORF3 or DrORF5) results in transcript fragmentation and is insufficient to establish immunity to the cognate ACNase. Since rapid amplification of 3' ends (RACE) as well as linker ligation of immunity transcripts expressed in the nucleus revealed polyadenylation to occur along with fragmentation, ORF-internal poly(A) site cleavage due to the high A/T content is likely to prevent functional expression of the immunity genes. Consistently, lowering the A/T content of PaORF4 to 55% and KlORF3 to 46% by gene synthesis entirely prevented transcript cleavage and permitted functional nuclear expression leading to full immunity against the respective ACNase toxin. Consistent with a specific adaptation of the immunity proteins to the cognate ACNases, cross-immunity to non-cognate ACNases is neither conferred by PaOrf4 nor KlOrf3. Thus, the high A/T content of cytoplasmic VLEs minimizes the potential of functional nuclear recruitment of VLE encoded genes, in particular those involved in autoselection of the VLEs via a toxin/antitoxin principle.

Indexed as

Amino Acid SequenceCloning, MolecularCytoplasmEscherichia coliGene Expression Regulation, FungalKiller Factors, YeastKluyveromycesMolecular Sequence DataPichiaPlasmidsRibonucleasesRNA, FungalSaccharomycetalesanticodon nucleaseKiller Factors, YeastRibonucleasesRNA, Fungal

Identifiers

PMID25973601
PMCPMC4431711
OpenAlexW311549123

What OpenQuestion holds

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LicenceCC BY
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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.