Evidence map›Paper›PMID 23630259›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

Genome-wide comparative diversity uncovers multiple targets of selection for improvement in hexaploid wheat landraces and cultivars.

Colin R Cavanagh, Shiaoman Chao, Shichen Wang, Bevan Emma Huang, Stuart Stephen, Seifollah Kiani, Kerrie Forrest, Cyrille Saintenac, Gina L Brown-Guedira, Alina Akhunova and 21 more

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 494 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
494citing papers in PubMed, 5 pooled it
–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

494 citing papers in PubMed, 5 syntheses or guidelines pooled it.

  1. Pooled it
  2. Meta-QTLs for multiple disease resistance involving three rusts in common wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022
    Pooled it
  3. Pooled it
  4. Meta-QTLs, ortho-meta-QTLs and candidate genes for grain yield and associated traits in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022
    Pooled it
  5. Pooled it
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  15. Identification of genetic loci and candidate genes underlying sharp eyespot resistance in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025
    Article
  16. Article
  17. Impact of Alien Chromosome Introgression fromPlants (Basel, Switzerland) · 2025
    Article
  18. Mapping QTLs for adult-plant resistance to yellow rust in a hard winter wheat population Heyne × Lakin.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025
    Article
  19. Breeding Wheat (Plants (Basel, Switzerland) · 2025
    Review
  20. The selection and application of tiller number QTLs in modern wheat breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025
    Article

434 more citing papers are in PubMed but not listed here.

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

31 authors.

Colin R CavanaghCommonwealth Scientific and Industrial Research Organization, Plant Industry and Food Futures National Research Flagship, Canberra, ACT 2601, Australia.
Shiaoman Chao
Shichen Wang
Bevan Emma Huang
Stuart Stephen
Seifollah Kiani
Kerrie Forrest
Cyrille Saintenac
Gina L Brown-Guedira
Alina Akhunova
Deven See
Guihua Bai
Michael Pumphrey
Luxmi Tomar
Debbie Wong
Stephan Kong
Matthew Reynolds
Marta Lopez da Silva
Harold Bockelman
Luther Talbert
James A Anderson
Susanne Dreisigacker
Stephen Baenziger
Arron Carter
Viktor Korzun
Peter Laurent Morrell
Jorge Dubcovsky
Matthew K Morell
Mark E Sorrells
Matthew J Hayden
Eduard Akhunov

Funding

Howard Hughes Medical Institute
6 · The paper itself

Abstract

Domesticated crops experience strong human-mediated selection aimed at developing high-yielding varieties adapted to local conditions. To detect regions of the wheat genome subject to selection during improvement, we developed a high-throughput array to interrogate 9,000 gene-associated single-nucleotide polymorphisms (SNP) in a worldwide sample of 2,994 accessions of hexaploid wheat including landraces and modern cultivars. Using a SNP-based diversity map we characterized the impact of crop improvement on genomic and geographic patterns of genetic diversity. We found evidence of a small population bottleneck and extensive use of ancestral variation often traceable to founders of cultivars from diverse geographic regions. Analyzing genetic differentiation among populations and the extent of haplotype sharing, we identified allelic variants subjected to selection during improvement. Selective sweeps were found around genes involved in the regulation of flowering time and phenology. An introgression of a wild relative-derived gene conferring resistance to a fungal pathogen was detected by haplotype-based analysis. Comparing selective sweeps identified in different populations, we show that selection likely acts on distinct targets or multiple functionally equivalent alleles in different portions of the geographic range of wheat. The majority of the selected alleles were present at low frequency in local populations, suggesting either weak selection pressure or temporal variation in the targets of directional selection during breeding probably associated with changing agricultural practices or environmental conditions. The developed SNP chip and map of genetic variation provide a resource for advancing wheat breeding and supporting future population genomic and genome-wide association studies in wheat.

Indexed as

PloidiesAllelesCrops, AgriculturalGene FrequencyGenes, PlantGenetic VariationGenome, PlantGenotypeHaplotypesOligonucleotide Array Sequence AnalysisPolymorphism, Single NucleotideTriticumbreeding historypolyploid wheatselection scansSNP genotypingwheat improvement

Identifiers

PMID23630259
PMCPMC3657823

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.