Cited by 168Genetic Mapping and Diversity in Plants and AnimalsGenetic and phenotypic traits in livestockGenetic Associations and Epidemiology

Genetic analysis in the Collaborative Cross breeding population

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Philip, Vivek M., Sokoloff, Greta, Ackert-Bicknell, Cheryl L., Striz, Martin, Branstetter, Lisa, Beckmann, Melissa A., Spence, Jason S., Jackson, Barbara L. +17 more·2011·Genome Research

Abstract

Genetic reference populations in model organisms are critical resources for systems genetic analysis of disease related phenotypes. The breeding history of these inbred panels may influence detectable allelic and phenotypic diversity. The existing panel of common inbred strains reflects historical selection biases, and existing recombinant inbred panels have low allelic diversity. All such populations may be subject to consequences of inbreeding depression. The Collaborative Cross (CC) is a mouse reference population with high allelic diversity that is being constructed using a randomized breeding design that systematically outcrosses eight founder strains, followed by inbreeding to obtain new recombinant inbred strains. Five of the eight founders are common laboratory strains, and three are wild-derived. Since its inception, the partially inbred CC has been characterized for physiological, morphological, and behavioral traits. The construction of this population provided a unique opportunity to observe phenotypic variation as new allelic combinations arose through intercrossing and inbreeding to create new stable genetic combinations. Processes including inbreeding depression and its impact on allelic and phenotypic diversity were assessed. Phenotypic variation in the CC breeding population exceeds that of existing mouse genetic reference populations due to both high founder genetic diversity and novel epistatic combinations. However, some focal evidence of allele purging was detected including a suggestive QTL for litter size in a location of changing allele frequency. Despite these inescapable pressures, high diversity and precision for genetic mapping remain. These results demonstrate the potential of the CC population once completed and highlight implications for development of related populations.

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  • Transgressive segregation in mapping populations of mice and flies from eight founder strains provides strong empirical support for common polygenes.

    “the phenomenon of transgressive segregation in mapping populations of mice and flies established from eight founder strains provides strong empirical support for the existence of common polygenes94–96.”

    From Rare and common variants: twenty arguments (2012) · cites this paper as [95]

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Authors
Philip, V. M., Sokoloff, G., Ackert-Bicknell, C. L., Striz, M., Branstetter, L., Beckmann, M. A., Spence, J. S., Jackson, B. L., Galloway, L. D., Barker, P., Wymore, A. M., Hunsicker, P. R., Durtschi, D. C., Shaw, G. S., Shinpock, S., Manly, K. F., Miller, D. R., Donohue, K. D., Culiat, C. T., Churchill, G. A., Lariviere, W. R., Palmer, A. A., O'Hara, B. F., Voy, B. H., & Chesler, E. J.
Affiliations
  • Oak Ridge National Laboratory (US)
  • University of Chicago (US)
  • University of Kentucky (US)
  • University of Tennessee at Knoxville (US)
  • University of Tennessee Health Science Center (US)
  • Jackson Laboratory (US)
  • University of Pittsburgh (US)
Venue
Genome Research
Published
2011-07-06
Volume
21
Issue
8
Pages
1223-1238
ISSN
1088-9051 (ISSN-L)
OpenAlex
W2168433590
Cited by
168
References
48
Citations by year
2026: 3 · 2025: 7 · 2024: 7 · 2023: 7 · 2022: 5 · 2021: 10 · 2020: 10 · 2019: 12 · 2018: 10 · 2017: 8 · 2016: 8 · 2015: 11 · 2014: 14 · 2013: 17 · 2012: 36
Type
posted content
Language
en
Open access
Licence
other-oa
Locations
  • Genome Research (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • U.S. Department of Energy
  • Ellison Medical Foundation (AG025707)
  • Taiho Kogyo Tribology Research Foundation
  • Office of Science
  • U.S. Public Health Service (FA9550-05-1-0464)
  • Health Science Center, University of Tennessee
  • National Institute on Aging (P30AG025707, AG025707)
  • National Institute of Mental Health (R01MH079103, MH079103)
  • National Institute on Drug Abuse (DA021198, R01DA021198)
  • National Institute of General Medical Sciences (P50GM076468, R01GM070683, R01GM097737)
  • Oak Ridge National Laboratory
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 Associations and Epidemiology
Keywords
Collaborative Cross, inbreeding depression, allelic diversity, phenotypic diversity, epistasis, litter size, quantitative trait loci, recombinant inbred lines, gene mapping, systems genetics
MeSH terms
Animals, Crosses, Genetic, Female, Genotype, Inbreeding, Litter Size, Male, Mice, Inbred Strains, Phenotype, Genetic Variation, Polymorphism, Single Nucleotide, Quantitative Trait Loci, Mice

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