Evidence map›Paper›PMID 24072814›Full record

ArticleMolecular biology and evolution2014

Presence-absence variation in A. thaliana is primarily associated with genomic signatures consistent with relaxed selective constraints.

Stephen J Bush, Atahualpa Castillo-Morales, Jaime M Tovar-Corona, Lu Chen, Paula X Kover, Araxi O Urrutia

Abstract read
In one paragraph

Article in Molecular biology and evolution, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing 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.

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3 · Its place in the literature

Who cites it

28 citing papers in PubMed.

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  3. Mobile gene clusters and coexpressed plant-rhizobium pathways drive partner quality variation in symbiosis.Proceedings of the National Academy of Sciences of the United States of America · 2025
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  9. High-resolution mapping of Rym14TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021
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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

6 authors.

Stephen J BushDepartment of Biology and Biochemistry, University of Bath, Bath, United Kingdom.
Atahualpa Castillo-Morales
Jaime M Tovar-Corona
Lu Chen
Paula X Kover
Araxi O Urrutia

Funding

Biotechnology and Biological Sciences Research Council BB/F022697/1
6 · The paper itself

Abstract

The sequencing of multiple genomes of the same plant species has revealed polymorphic gene and exon loss. Genes associated with disease resistance are overrepresented among those showing structural variations, suggesting an adaptive role for gene and exon presence-absence variation (PAV). To shed light on the possible functional relevance of polymorphic coding region loss and the mechanisms driving this process, we characterized genes that have lost entire exons or their whole coding regions in 17 fully sequenced Arabidopsis thaliana accessions. We found that although a significant enrichment in genes associated with certain functional categories is observed, PAV events are largely restricted to genes with signatures of reduced essentiality: PAV genes tend to be newer additions to the genome, tissue specific, and lowly expressed. In addition, PAV genes are located in regions of lower gene density and higher transposable element density. Partial coding region PAV events were associated with only a marginal reduction in gene expression level in the affected accession and occurred in genes with higher levels of alternative splicing in the Col-0 accession. Together, these results suggest that although adaptive scenarios cannot be ruled out, PAV events can be explained without invoking them.

Indexed as

Evolution, MolecularGenes, PlantGenetic VariationAlternative SplicingArabidopsisDNA Transposable ElementsExonsGene ExpressionOpen Reading FramesSequence Analysis, DNASignal TransductionDNA Transposable Elementsadaptive evolutionArabidopsisexon deletionpresence–absence variationtransposable elementswhole genome evolution

Identifiers

PMID24072814
PMCPMC3879440

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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.