Evidence map›Paper›PMID 27760113›Full record

ArticleNature2016

Mechanism for DNA transposons to generate introns on genomic scales.

Jason T Huff, Daniel Zilberman, Scott W Roy

Abstract read
In one paragraph

Article in Nature, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
–field-weighted citation impact
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

56 citing papers in PubMed.

  1. Article
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  4. Nuclear genome sequencing reveals the highly intron-rich architecture of the chlorarachniophyte alga Amorphochlora amoebiformis.DNA research : an international journal for rapid publication of reports on genes and genomes · 2025
    Article
  5. Article
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  7. Horizontal transmission of functionally diverse transposons is a major source of new introns.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  8. Review
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  14. Review
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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

3 authors.

Jason T HuffDepartment of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA.
Daniel ZilbermanDepartment of Plant and Microbial Biology, University of California, Berkeley, California 94720, USA.
Scott W RoyDepartment of Biology, San Francisco State University, San Francisco, California 94132, USA.

Funding

GENOMICST32HG000047 · NHGRI · UNIVERSITY OF CALIFORNIA BERKELEY · PI RASMUS NIELSEN, Daniel Soleyman Rokhsar · 2000 to 2026
$13.5M
DEVELOPMENT OF GENOMIC INSTRUMENTATIONK22HG000047 · NHGRI · UNIVERSITY OF CALIFORNIA IRVINE · PI BRODY, JAMES P · 2000 to 2004
$964k
NHGRI NIH HHS K22 HG000047NHGRI NIH HHS T32 HG000047
6 · The paper itself

Abstract

The discovery of introns four decades ago was one of the most unexpected findings in molecular biology. Introns are sequences interrupting genes that must be removed as part of messenger RNA production. Genome sequencing projects have shown that most eukaryotic genes contain at least one intron, and frequently many. Comparison of these genomes reveals a history of long evolutionary periods during which few introns were gained, punctuated by episodes of rapid, extensive gain. However, although several detailed mechanisms for such episodic intron generation have been proposed, none has been empirically supported on a genomic scale. Here we show how short, non-autonomous DNA transposons independently generated hundreds to thousands of introns in the prasinophyte Micromonas pusilla and the pelagophyte Aureococcus anophagefferens. Each transposon carries one splice site. The other splice site is co-opted from the gene sequence that is duplicated upon transposon insertion, allowing perfect splicing out of the RNA. The distributions of sequences that can be co-opted are biased with respect to codons, and phasing of transposon-generated introns is similarly biased. These transposons insert between pre-existing nucleosomes, so that multiple nearby insertions generate nucleosome-sized intervening segments. Thus, transposon insertion and sequence co-option may explain the intron phase biases and prevalence of nucleosome-sized exons observed in eukaryotes. Overall, the two independent examples of proliferating elements illustrate a general DNA transposon mechanism that can plausibly account for episodes of rapid, extensive intron gain during eukaryotic evolution.

Indexed as

Evolution, MolecularGenomicsBase SequenceChlorophytaCodonDNA Transposable ElementsEukaryotaExonsGenomeIntronsNucleosomesRecombination, GeneticRegulatory Sequences, Nucleic AcidRNA Splice SitesStramenopilesCodonDNA Transposable ElementsNucleosomesRNA Splice Sites

Identifiers

PMID27760113
PMCPMC5684705

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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.