Evidence map›Paper›PMID 33247725›Full record

ArticleMolecular biology and evolution2021

Tirant Stealthily Invaded Natural Drosophila melanogaster Populations during the Last Century.

Florian Schwarz, Filip Wierzbicki, Kirsten-André Senti, Robert Kofler

Open access · hybridAbstract read
In one paragraph

Article in Molecular biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

23 citing papers in PubMed, 34 citations in OpenAlex.

  1. Article
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  5. Recent horizontal transfer of transposable elements inbioRxiv : the preprint server for biology · 2025
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  6. The ongoing invasion of the endogenous retrovirusbioRxiv : the preprint server for biology · 2025
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  16. Genomes of historical specimens reveal multiple invasions of LTR retrotransposons inProceedings of the National Academy of Sciences of the United States of America · 2024
    Article
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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

4 authors.

Florian SchwarzInstitut für Populationsgenetik, Vetmeduni Vienna, Vienna, Austria.
Filip WierzbickiInstitut für Populationsgenetik, Vetmeduni Vienna, Vienna, Austria.
Kirsten-André SentiInstitut für Populationsgenetik, Vetmeduni Vienna, Vienna, Austria.
Robert KoflerInstitut für Populationsgenetik, Vetmeduni Vienna, Vienna, Austria.

Funding

Austrian Science Fund FWF P 30036Austrian Science Fund FWF W 1225
6 · The paper itself

Abstract

It was long thought that solely three different transposable elements (TEs)-the I-element, the P-element, and hobo-invaded natural Drosophila melanogaster populations within the last century. By sequencing the "living fossils" of Drosophila research, that is, D. melanogaster strains sampled from natural populations at different time points, we show that a fourth TE, Tirant, invaded D. melanogaster populations during the past century. Tirant likely spread in D. melanogaster populations around 1938, followed by the I-element, hobo, and, lastly, the P-element. In addition to the recent insertions of the canonical Tirant, D. melanogaster strains harbor degraded Tirant sequences in the heterochromatin which are likely due to an ancient invasion, likely predating the split of D. melanogaster and D. simulans. These degraded insertions produce distinct piRNAs that were unable to prevent the novel Tirant invasion. In contrast to the I-element, P-element, and hobo, we did not find that Tirant induces any hybrid dysgenesis symptoms. This absence of apparent phenotypic effects may explain the late discovery of the Tirant invasion. Recent Tirant insertions were found in all investigated natural populations. Populations from Tasmania carry distinct Tirant sequences, likely due to a founder effect. By investigating the TE composition of natural populations and strains sampled at different time points, insertion site polymorphisms, piRNAs, and phenotypic effects, we provide a comprehensive study of a natural TE invasion.

Indexed as

DNA Transposable ElementsAnimalsDrosophila melanogasterFemaleRNA, Small InterferingDNA Transposable ElementsRNA, Small InterferingDrosophila melanogasternext-generation sequencing, Tirant, P-element, I-element, hobotransposable elementstransposon invasions

Identifiers

PMID33247725
PMCPMC8042734
OpenAlexW3107897120

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LicenceCC BY
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Registered trials

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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.