Evidence map›Paper›PMID 26880749›Full record

ArticleJournal of experimental botany2016

Prioritizing quantitative trait loci for root system architecture in tetraploid wheat.

Marco Maccaferri, Walid El-Feki, Ghasemali Nazemi, Silvio Salvi, Maria Angela Canè, Maria Chiara Colalongo, Sandra Stefanelli, Roberto Tuberosa

Abstract read
In one paragraph

Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 106 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
106citing papers in PubMed, 2 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

106 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pinpointing genomic regions associated with root system architecture in rice through an integrative meta-analysis approach.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022
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  19. Regulation of root growth and elongation in wheat.Frontiers in plant science · 2024
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46 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

8 authors.

Marco MaccaferriDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy marco.maccaferri@unibo.it.
Walid El-FekiDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy Department of Crop Sciences, Faculty of Agriculture, Alexandria University, 23714 Alexandria, Egypt.
Ghasemali NazemiDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy Department of Agriculture, Hajiabad Branch, Islamic Azad University, 21100 Hajiabad, Iran.
Silvio SalviDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy.
Maria Angela CanèDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy.
Maria Chiara ColalongoDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy.
Sandra StefanelliDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy.
Roberto TuberosaDepartment of Agricultural Sciences (DipSA), University of Bologna, 40127 Bologna, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Optimization of root system architecture (RSA) traits is an important objective for modern wheat breeding. Linkage and association mapping for RSA in two recombinant inbred line populations and one association mapping panel of 183 elite durum wheat (Triticum turgidum L. var. durum Desf.) accessions evaluated as seedlings grown on filter paper/polycarbonate screening plates revealed 20 clusters of quantitative trait loci (QTLs) for root length and number, as well as 30 QTLs for root growth angle (RGA). Divergent RGA phenotypes observed by seminal root screening were validated by root phenotyping of field-grown adult plants. QTLs were mapped on a high-density tetraploid consensus map based on transcript-associated Illumina 90K single nucleotide polymorphisms (SNPs) developed for bread and durum wheat, thus allowing for an accurate cross-referencing of RSA QTLs between durum and bread wheat. Among the main QTL clusters for root length and number highlighted in this study, 15 overlapped with QTLs for multiple RSA traits reported in bread wheat, while out of 30 QTLs for RGA, only six showed co-location with previously reported QTLs in wheat. Based on their relative additive effects/significance, allelic distribution in the association mapping panel, and co-location with QTLs for grain weight and grain yield, the RSA QTLs have been prioritized in terms of breeding value. Three major QTL clusters for root length and number (RSA_QTL_cluster_5#, RSA_QTL_cluster_6#, and RSA_QTL_cluster_12#) and nine RGA QTL clusters (QRGA.ubo-2A.1, QRGA.ubo-2A.3, QRGA.ubo-2B.2/2B.3, QRGA.ubo-4B.4, QRGA.ubo-6A.1, QRGA.ubo-6A.2, QRGA.ubo-7A.1, QRGA.ubo-7A.2, and QRGA.ubo-7B) appear particularly valuable for further characterization towards a possible implementation of breeding applications in marker-assisted selection and/or cloning of the causal genes underlying the QTLs.

Indexed as

Quantitative Trait LociTetraploidyChromosome MappingChromosomes, PlantGenetic Association StudiesGenetic LinkagePlant RootsTriticumAssociation mappingdrought stressgermplasm collectiongrain yieldGWASmeta-QTLsroot growth anglerooting depthroot system architectureseminal root.

Identifiers

PMID26880749
PMCPMC4753857

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LicenceCC BY
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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.