Evidence map›Paper›PMID 18245352›Full record

ArticleGenetics2008

Active miniature transposons from a plant genome and its nonrecombining Y chromosome.

R Bergero, A Forrest, D Charlesworth

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
5.2field-weighted citation impact, top 5% 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

20 citing papers in PubMed, 38 citations in OpenAlex.

  1. Article
  2. The Formation of Sex Chromosomes inFrontiers in plant science · 2020
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  14. Sequencing papaya X and Yh chromosomes reveals molecular basis of incipient sex chromosome evolution.Proceedings of the National Academy of Sciences of the United States of America · 2012
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  16. 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

3 authors at 2 institutions in 2 countries.

R BergeroInstitute of Evolutionary Biology, Ashworth Laboratories, University of Edinburgh, Edinburgh, EH9 3JT, United Kingdom. r.bergero@ed.ac.uk
A Forrest
D Charlesworth
University of Edinburgh · GBInstitut de Biologia Evolutiva · ES

Funding

Biotechnology and Biological Sciences Research Council BB/E020909/1
6 · The paper itself

Abstract

Mechanisms involved in eroding fitness of evolving Y chromosomes have been the focus of much theoretical and empirical work. Evolving Y chromosomes are expected to accumulate transposable elements (TEs), but it is not known whether such accumulation contributes to their genetic degeneration. Among TEs, miniature inverted-repeat transposable elements are nonautonomous DNA transposons, often inserted in introns and untranslated regions of genes. Thus, if they invade Y-linked genes and selection against their insertion is ineffective, they could contribute to genetic degeneration of evolving Y chromosomes. Here, we examine the population dynamics of active MITEs in the young Y chromosomes of the plant Silene latifolia and compare their distribution with those in recombining genomic regions. To isolate active MITEs, we developed a straightforward approach on the basis of the assumption that recent transposon insertions or excisions create singleton or low-frequency size polymorphisms that can be detected in alleles from natural populations. Transposon display was then used to infer the distribution of MITE insertion frequencies. The overall frequency spectrum showed an excess of singleton and low-frequency insertions, which suggests that these elements are readily removed from recombining chromosomes. In contrast, insertions on the Y chromosomes were present at high frequencies. Their potential contribution to Y degeneration is discussed.

Indexed as

DNA Transposable ElementsGenome, PlantChromosome MappingChromosomes, PlantCrosses, GeneticDNA, PlantDNA PrimersGenetic VariationIntronsMolecular Sequence DataPolymorphism, GeneticSileneDNA, PlantDNA PrimersDNA Transposable Elements

Identifiers

PMID18245352
PMCPMC2248354
OpenAlexW1994208137

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.