Evidence map›Paper›PMID 17647019›Full record

ArticleMolecular genetics and genomics : MGG2007

SNP discovery, validation, haplotype structure and linkage disequilibrium in full-length herbage nutritive quality genes of perennial ryegrass (Lolium perenne L.).

Rebecca C Ponting, Michelle C Drayton, Noel O I Cogan, Mark P Dobrowolski, Germán C Spangenberg, Kevin F Smith, John W Forster

Abstract read
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In one paragraph

Article in Molecular genetics and genomics : MGG, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
9.6field-weighted citation impact, top 2% 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

19 citing papers in PubMed, 59 citations in OpenAlex.

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  10. Intron-length polymorphism identifies a Y2K4 dehydrin variant linked to superior freezing tolerance in alfalfa.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012
    Article
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  12. Comparison of a high-density genetic linkage map to genome features in the model grass Brachypodium distachyon.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011
    Article
  13. Development and assessment of simple PCR markers for SNP genotyping in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2009
    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

7 authors at 1 institution in 1 country.

Rebecca C PontingPrimary Industries Research Victoria, Victorian AgriBiosciences Centre, La Trobe Research and Development Park, Bundoora, VIC, 3083, Australia.
Michelle C Drayton
Noel O I Cogan
Mark P Dobrowolski
Germán C Spangenberg
Kevin F Smith
John W Forster
AgriBio · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Development of accurate high-throughput molecular marker systems such as SNPs permits evaluation and selection of favourable gene variants to accelerate elite varietal production. SNP discovery in perennial ryegrass has been based on PCR amplification and sequencing of multiple amplicons designed to scan all components of the transcriptional unit. Full-length genes (with complete intron-exon structure and promoter information) corresponding to well-defined biochemical functions such as lignin biosynthesis and oligosaccharide metabolism are ideal for complete SNP haplotype determination. Multiple SNPs at regular intervals across the transcriptional unit were detected within and between the heterozygous parents and validated in the progeny of the F (1)(NA(6) x AU(6)) genetic mapping family. Haplotype structures in the parental genotypes were defined and haplotypic abundance, structure and variation were assessed in diverse germplasm sources. Decay of LD to r (2) values of c. 0.2 typically occurs over 500-3,000 bp, comparable with gene length and with little apparent variation between diverse, ecotypic and varietal population sub-groups. Similar patterns were revealed as limited blocks of intragenic LD. The results are compatible with the reproductive biology of perennial ryegrass and the effects of large ancestral population size. This analysis provides crucial information to validate strategies for correlation of haplotypic diversity and phenotypic variation through association mapping.

Indexed as

Linkage DisequilibriumPolymorphism, Single NucleotideChromosomes, PlantCloning, MolecularCrosses, GeneticExonsGenes, PlantHaplotypesLoliumModels, GeneticModels, StatisticalPhenotypePolymerase Chain Reaction

Identifiers

PMID17647019
OpenAlexW2073818560

What OpenQuestion holds

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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.