Genomic Bayesian prediction model for count data with genotype × environment interaction

Abelardo Montesinos-López, Osval A. Montesinos-López, José Crossa, Juan Burgueño, Kent M. Eskridge, Esteban Falconi-Castillo, Xinyao He, Pawan Singh, Karen Cichy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Genomic tools allow the study of the whole genome, and facilitate the study of genotype-environment combinations and their relationship with phenotype. However, most genomic prediction models developed so far are appropriate for Gaussian phenotypes. For this reason, appropriate genomic prediction models are needed for count data, since the conventional regression models used on count data with a large sample size (nT) and a small number of parameters (p) cannot be used for genomic-enabled prediction where the number of parameters (p) is larger than the sample size (nT). Here, we propose a Bayesian mixed-negative binomial (BMNB) genomic regression model for counts that takes into account genotype by environment (G×E) interaction. We also provide all the full conditional distributions to implement a Gibbs sampler. We evaluated the proposed model using a simulated data set, and a real wheat data set from the International Maize and Wheat Improvement Center (CIMMYT) and collaborators. Results indicate that our BMNB model provides a viable option for analyzing count data.

Original languageEnglish (US)
Pages (from-to)1165-1177
Number of pages13
JournalG3: Genes, Genomes, Genetics
Volume6
Issue number5
DOIs
StatePublished - May 1 2016

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Bayes Theorem
Sample Size
Triticum
Genotype
Phenotype
Statistical Models
Zea mays
Genome
Datasets

Keywords

  • Bayesian model
  • Count data
  • GenPred
  • Genome enabled prediction
  • Genomic selection
  • Gibbs sampler
  • Shared data resource

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

Cite this

Montesinos-López, A., Montesinos-López, O. A., Crossa, J., Burgueño, J., Eskridge, K. M., Falconi-Castillo, E., ... Cichy, K. (2016). Genomic Bayesian prediction model for count data with genotype × environment interaction. G3: Genes, Genomes, Genetics, 6(5), 1165-1177. https://doi.org/10.1534/g3.116.028118

Genomic Bayesian prediction model for count data with genotype × environment interaction. / Montesinos-López, Abelardo; Montesinos-López, Osval A.; Crossa, José; Burgueño, Juan; Eskridge, Kent M.; Falconi-Castillo, Esteban; He, Xinyao; Singh, Pawan; Cichy, Karen.

In: G3: Genes, Genomes, Genetics, Vol. 6, No. 5, 01.05.2016, p. 1165-1177.

Research output: Contribution to journalArticle

Montesinos-López, A, Montesinos-López, OA, Crossa, J, Burgueño, J, Eskridge, KM, Falconi-Castillo, E, He, X, Singh, P & Cichy, K 2016, 'Genomic Bayesian prediction model for count data with genotype × environment interaction', G3: Genes, Genomes, Genetics, vol. 6, no. 5, pp. 1165-1177. https://doi.org/10.1534/g3.116.028118
Montesinos-López A, Montesinos-López OA, Crossa J, Burgueño J, Eskridge KM, Falconi-Castillo E et al. Genomic Bayesian prediction model for count data with genotype × environment interaction. G3: Genes, Genomes, Genetics. 2016 May 1;6(5):1165-1177. https://doi.org/10.1534/g3.116.028118
Montesinos-López, Abelardo ; Montesinos-López, Osval A. ; Crossa, José ; Burgueño, Juan ; Eskridge, Kent M. ; Falconi-Castillo, Esteban ; He, Xinyao ; Singh, Pawan ; Cichy, Karen. / Genomic Bayesian prediction model for count data with genotype × environment interaction. In: G3: Genes, Genomes, Genetics. 2016 ; Vol. 6, No. 5. pp. 1165-1177.
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