The Mouse Universal Genotyping Array: From Substrains to Subspecies
Open accessAbstract
Genotyping microarrays are an important resource for genetic mapping, population genetics, and monitoring of the genetic integrity of laboratory stocks. We have developed the third generation of the Mouse Universal Genotyping Array (MUGA) series, GigaMUGA, a 143,259-probe Illumina Infinium II array for the house mouse (Mus musculus). The bulk of the content of GigaMUGA is optimized for genetic mapping in the Collaborative Cross and Diversity Outbred populations, and for substrain-level identification of laboratory mice. In addition to 141,090 single nucleotide polymorphism probes, GigaMUGA contains 2006 probes for copy number concentrated in structurally polymorphic regions of the mouse genome. The performance of the array is characterized in a set of 500 high-quality reference samples spanning laboratory inbred strains, recombinant inbred lines, outbred stocks, and wild-caught mice. GigaMUGA is highly informative across a wide range of genetically diverse samples, from laboratory substrains to other Mus species. In addition to describing the content and performance of the array, we provide detailed probe-level annotation and recommendations for quality control.
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The GigaMUGA contains 143,259 genetic markers specifically designed for genetic mapping in the DO mouse population.
“The GigaMUGA contains 143,259 genetic markers that were speci cally designed for genetic mapping in the DO mouse population [19,33].”
From Identification of Genetic Variants Regulating the Abundance of Clinically Relevant Plasma Proteins using the Diversity Outbred Mouse Model (2021) · cites this paper as [19]
The Abstract identifies GigaMUGA as a 143,259-probe array and says the bulk of its content is optimized for genetic mapping in the Collaborative Cross and Diversity Outbred populations. It does not say all 143,259 markers were specifically designed for mapping in the DO; the Abstract and Results and Discussion describe probes serving other purposes, including copy-number detection and studies of wild mice. (LLM, conf=0.90)
Experimental — accuracy not yet measuredGigaMUGA scoring for 143,259 probes showed high performance in a set of 500 high-quality reference samples spanning laboratory inbred strains, recombinant inbred lines, outbred stocks, and wild-caught mice.
“The robustness, simplicity and curated content of the third generation of this genotyping array (GigaMUGA) scoring for 143,259 probes showed high performance in a set of 500 high-quality reference samples spanning laboratory inbred strains, recombinant inbred lines, outbred stocks, and wild-caught mice [67].”
From Genetic Insights into the Economic Toll of Cell Line Misidentification: A Comprehensive Review (2026) · cites this paper as [67]
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“The second track is a scatterplot showing the density of the GigaMUGA genotyping array (# markers/0.5Mb; red: ≤ 20 markers; light blue: ≤ 30 markers; dark blue: ≥ 30 markers; clipped at 100 markers/0.5Mb).”
BackgroundMethodInfluential
- Authors
- Morgan, A. P., Fu, C.-P., Kao, C.-Y., Welsh, C. E., Didion, J. P., Yadgary, L., Hyacinth, L., Ferris, M. T., Bell, T. A., Miller, D. R., Giusti-Rodriguez, P., Nonneman, R. J., Cook, K. D., Whitmire, J. K., Gralinski, L. E., Keller, M., Attie, A. D., Churchill, G. A., Petkov, P., Sullivan, P. F., Brennan, J. R., McMillan, L., & Pardo-Manuel de Villena, F.
- Affiliations
- University of North Carolina at Chapel Hill (US)
- Rhodes College (US)
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina 27599
- University of Wisconsin–Madison (US)
- Jackson Laboratory (US)
- ORCID
- Venue
- G3 Genes|Genomes|Genetics
- Publisher
- Oxford University Press (OUP)
- Published
- 2016-02-01
- Volume
- 6
- Issue
- 2
- Pages
- 263-279
- ISSN
- 2160-1836 (ISSN-L)
- PMC
- PMC4751547
- OpenAlex
- W2221387489
- Cited by
- 214
- References
- 2
- Citations by year
- 2026: 8 · 2025: 17 · 2024: 20 · 2023: 28 · 2022: 24 · 2021: 27 · 2020: 25 · 2019: 20 · 2018: 15 · 2017: 17 · 2016: 9 · 2015: 2
- FWCI
- 9.85
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- G3 Genes Genomes Genetics (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
- UNC Libraries
- Funders
- University of North Carolina
- National Institutes of Health (U42OD010924)
- National Institute of Mental Health (F30MH103925)
- National Human Genome Research Institute (P50HG006582)
- National Institute of General Medical Sciences (T32GM067553, R01GM070683)
- National Institute of Allergy and Infectious Diseases (U19AI100625)
- National Institute of Diabetes and Digestive and Kidney Diseases (R01DK101573)
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD065024)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
- Keywords
- house mouse, Mus musculus, single nucleotide polymorphisms, copy number variation, gene mapping, Collaborative Cross, inbred strains, recombinant inbred lines, probe annotation, quality control
- MeSH terms
- Alleles, Animals, Chromosome Mapping, Genetics, Population, Genotype, Mice, Inbred Strains, Phylogeny, Genome, Gene Dosage, Computational Biology, Oligonucleotide Array Sequence Analysis, Polymorphism, Single Nucleotide, Genomics, Mice
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