Evidence map›Paper›PMID 36897019›Full record

ArticleBioinformatics (Oxford, England)2023

SLEMM: million-scale genomic predictions with window-based SNP weighting.

Jian Cheng, Christian Maltecca, Paul M VanRaden, Jeffrey R O'Connell, Li Ma, Jicai Jiang

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Article in Bioinformatics (Oxford, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

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15citing papers in PubMed
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3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Jian ChengDepartment of Animal Science, North Carolina State University, Raleigh, NC 27695, United States.
Christian MalteccaDepartment of Animal Science, North Carolina State University, Raleigh, NC 27695, United States.ORCID 0000-0002-9996-4680
Paul M VanRadenAnimal Genomics and Improvement Laboratory, USDA-ARS, Beltsville, MD 20705, United States.
Jeffrey R O'ConnellDepartment of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, United States.
Li MaDepartment of Animal and Avian Sciences, University of Maryland, College Park, MD 20742, United States.
Jicai JiangDepartment of Animal Science, North Carolina State University, Raleigh, NC 27695, United States.ORCID 0000-0001-6890-7539

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

motivationThe amount of genomic data is increasing exponentially. Using many genotyped and phenotyped individuals for genomic prediction is appealing yet challenging.

resultsWe present SLEMM (short for Stochastic-Lanczos-Expedited Mixed Models), a new software tool, to address the computational challenge. SLEMM builds on an efficient implementation of the stochastic Lanczos algorithm for REML in a framework of mixed models. We further implement SNP weighting in SLEMM to improve its predictions. Extensive analyses on seven public datasets, covering 19 polygenic traits in three plant and three livestock species, showed that SLEMM with SNP weighting had overall the best predictive ability among a variety of genomic prediction methods including GCTA's empirical BLUP, BayesR, KAML, and LDAK's BOLT and BayesR models. We also compared the methods using nine dairy traits of ∼300k genotyped cows. All had overall similar prediction accuracies, except that KAML failed to process the data. Additional simulation analyses on up to 3 million individuals and 1 million SNPs showed that SLEMM was advantageous over counterparts as for computational performance. Overall, SLEMM can do million-scale genomic predictions with an accuracy comparable to BayesR. AVAILABILITY AND IMPLEMENTATION: The software is available at https://github.com/jiang18/slemm.

Indexed as

GenomePolymorphism, Single NucleotideAnimalsBayes TheoremCattleFemaleGenomicsGenotypeModels, GeneticPhenotype

Identifiers

PMID36897019
PMCPMC10039786

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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.