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Method to represent the distribution of QTL additive and dominance effects associated with quantitative traits in computer simulation

Overview of attention for article published in BMC Bioinformatics, February 2016
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Title
Method to represent the distribution of QTL additive and dominance effects associated with quantitative traits in computer simulation
Published in
BMC Bioinformatics, February 2016
DOI 10.1186/s12859-016-0906-z
Pubmed ID
Authors

Xiaochun Sun, Rita H. Mumm

Abstract

Computer simulation is a resource which can be employed to identify optimal breeding strategies to effectively and efficiently achieve specific goals in developing improved cultivars. In some instances, it is crucial to assess in silico the options as well as the impact of various crossing schemes and breeding approaches on performance for traits of interest such as grain yield. For this, a means by which gene effects can be represented in the genome model is critical. To address this need, we devised a method to represent the genomic distribution of additive and dominance gene effects associated with quantitative traits. The method, based on meta-analysis of previously-estimated QTL effects following Bennewitz and Meuwissen (J Anim Breed Genet 127:171-9, 2010), utilizes a modified Dirichlet process Gaussian mixture model (DPGMM) to fit the number of mixture components and estimate parameters (i.e. mean and variance) of the genomic distribution. The method was demonstrated using several maize QTL data sets to provide estimates of additive and dominance effects for grain yield and other quantitative traits for application in maize genome simulations. The DPGMM method offers an alternative to the over-simplified infinitesimal model in computer simulation as a means to better represent the genetic architecture of quantitative traits, which likely involve some large effects in addition to many small effects. Furthermore, it confers an advantage over other methods in that the number of mixture model components need not be known a priori. In addition, the method is robust with use of large-scale, multi-allelic data sets or with meta-analyses of smaller QTL data sets which may be derived from bi-parental populations in precisely estimating distribution parameters. Thus, the method has high utility in representing the genetic architecture of quantitative traits in computer simulation.

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Mendeley readers

Mendeley readers

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Geographical breakdown

Country Count As %
Israel 1 5%
Unknown 19 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 25%
Student > Doctoral Student 4 20%
Researcher 3 15%
Student > Master 1 5%
Librarian 1 5%
Other 0 0%
Unknown 6 30%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 35%
Biochemistry, Genetics and Molecular Biology 3 15%
Computer Science 1 5%
Social Sciences 1 5%
Unknown 8 40%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 February 2016.
All research outputs
#14,834,976
of 22,844,985 outputs
Outputs from BMC Bioinformatics
#5,046
of 7,289 outputs
Outputs of similar age
#221,845
of 397,355 outputs
Outputs of similar age from BMC Bioinformatics
#104
of 141 outputs
Altmetric has tracked 22,844,985 research outputs across all sources so far. This one is in the 33rd percentile – i.e., 33% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,289 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. This one is in the 26th percentile – i.e., 26% of its peers scored the same or lower than it.
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We're also able to compare this research output to 141 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.