Evidence map›Paper›PMID 30320953›Full record

ArticlePlant biotechnology journal2019

Optimising the identification of causal variants across varying genetic architectures in crops.

Chenyong Miao, Jinliang Yang, James C Schnable

Abstract read
In one paragraph

Article in Plant biotechnology journal, 2019. 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
–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

20 citing papers in PubMed.

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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.

Chenyong MiaoDepartment of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, USA.ORCID 0000-0002-0904-3707
Jinliang YangDepartment of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, USA.
James C SchnableDepartment of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, USA.ORCID 0000-0001-6739-5527

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Association studies use statistical links between genetic markers and the phenotype variation across many individuals to identify genes controlling variation in the target phenotype. However, this approach, particularly conducted on a genome-wide scale (GWAS), has limited power to identify the genes responsible for variation in traits controlled by complex genetic architectures. In this study, we employ real-world genotype datasets from four crop species with distinct minor allele frequency distributions, population structures and linkage disequilibrium patterns. We demonstrate that different GWAS statistical approaches provide favourable trade-offs between power and accuracy for traits controlled by different types of genetic architectures. FarmCPU provides the most favourable outcomes for moderately complex traits while a Bayesian approach adopted from genomic prediction provides the most favourable outcomes for extremely complex traits. We assert that by estimating the complexity of genetic architectures for target traits and selecting an appropriate statistical approach for the degree of complexity detected, researchers can substantially improve the ability to dissect the genetic factors controlling complex traits such as flowering time, plant height and yield component.

Indexed as

Crops, AgriculturalGene FrequencyGenes, PlantGenetic VariationGenome-Wide Association StudyLinkage DisequilibriumMultifactorial InheritanceOryzaQuantitative Trait, HeritableQuantitative Trait LociSetaria PlantSorghumZea maysgenetic architecturegenome-wide association studypolygenic traitsquantitative genetics

Identifiers

PMID30320953
PMCPMC6587547

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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.