Evidence map›Paper›PMID 14871946›Full record

ArticleEukaryotic cell2004

A non-long terminal repeat retrotransposon family is restricted to the germ line micronucleus of the ciliated protozoan Tetrahymena thermophila.

Jeffrey S Fillingham, Trine A Thing, Nama Vythilingum, Alex Keuroghlian, Deanna Bruno, G Brian Golding, Ronald E Pearlman

Open access · diamondAbstract read
In one paragraph

Article in Eukaryotic cell, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
1.8field-weighted citation impact, top 16% 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

32 citing papers in PubMed, 56 citations in OpenAlex.

  1. Article
  2. MITE infestation accommodated by genome editing in the germline genome of the ciliateProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  3. Article
  4. Article
  5. RNAi-dependentGenes & development · 2019
    Article
  6. Article
  7. Article
  8. Article
  9. Phosphorylation of an HP1-like protein is a prerequisite for heterochromatin body formation in Tetrahymena DNA elimination.Proceedings of the National Academy of Sciences of the United States of America · 2016
    Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Epigenetics of ciliates.Cold Spring Harbor perspectives in biology · 2013
    Review
  16. Article
  17. Review
  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

7 authors at 2 institutions in 1 country.

Jeffrey S FillinghamDepartment of Biology, York University, Toronto M3J 1P3, Ontario, Canada.
Trine A Thing
Nama Vythilingum
Alex Keuroghlian
Deanna Bruno
G Brian Golding
Ronald E Pearlman
York University · CAMcMaster University · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The ciliated protozoan Tetrahymena thermophila undergoes extensive programmed DNA rearrangements during the development of a somatic macronucleus from the germ line micronucleus in its sexual cycle. To investigate the relationship between programmed DNA rearrangements and transposable elements, we identified several members of a family of non-long terminal repeat (LTR) retrotransposons (retroposons) in T. thermophila, the first characterized in the ciliated protozoa. This multiple-copy retrotransposon family is restricted to the micronucleus of T. thermophila. The REP (Tetrahymena non-LTR retroposon) elements encode an ORF2 typical of non-LTR elements that contains apurinic/apyrimidinic endonuclease (APE) and reverse transcriptase (RT) domains. Phylogenetic analysis of the RT and APE domains indicates that the element forms a deep-branching clade within the non-LTR retrotransposon family. Northern analysis with a probe to the conserved RT domain indicates that transcripts from the element are small and heterogeneous in length during early macronuclear development. The presence of a repeated transposable element in the genome is consistent with the model that programmed DNA deletion in T. thermophila evolved as a method of eliminating deleterious transposons from the somatic macronucleus.

Indexed as

3' Untranslated Regions5' Untranslated RegionsAmino Acid SequenceAnimalsBase SequenceBlotting, NorthernBlotting, SouthernCell NucleusCodonDatabases as TopicDNADNA Transposable ElementsGene LibraryGenomeMicronucleus, GermlineModels, Genetic3' Untranslated Regions5' Untranslated RegionsCodonDNADNA Transposable ElementsRetroelementsRNA

Identifiers

PMID14871946
PMCPMC329501
OpenAlexW2151187587

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.