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Novel Graphical Analyses of Runs of Homozygosity among Species and Livestock Breeds
Joint Authors
Iacolina, Laura
Stronen, Astrid V.
Pertoldi, Cino
Tokarska, Małgorzata
Nørgaard, Louise S.
Muñoz, Joaquin
Kjærsgaard, Anders
Ruiz-Gonzalez, Aritz
Kamiński, Stanisław
Purfield, Deirdre C.
Source
International Journal of Genomics
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-10-30
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Runs of homozygosity (ROH), uninterrupted stretches of homozygous genotypes resulting from parents transmitting identical haplotypes to their offspring, have emerged as informative genome-wide estimates of autozygosity (inbreeding).
We used genomic profiles based on 698 K single nucleotide polymorphisms (SNPs) from nine breeds of domestic cattle (Bos taurus) and the European bison (Bison bonasus) to investigate how ROH distributions can be compared within and among species.
We focused on two length classes: 0.5–15 Mb to investigate ancient events and >15 Mb to address recent events (approximately three generations).
For each length class, we chose a few chromosomes with a high number of ROH, calculated the percentage of times a SNP appeared in a ROH, and plotted the results.
We selected areas with distinct patterns including regions where (1) all groups revealed an increase or decrease of ROH, (2) bison differed from cattle, (3) one cattle breed or groups of breeds differed (e.g., dairy versus meat cattle).
Examination of these regions in the cattle genome showed genes potentially important for natural and human-induced selection, concerning, for example, meat and milk quality, metabolism, growth, and immune function.
The comparative methodology presented here permits visual identification of regions of interest for selection, breeding programs, and conservation.
American Psychological Association (APA)
Iacolina, Laura& Stronen, Astrid V.& Pertoldi, Cino& Tokarska, Małgorzata& Nørgaard, Louise S.& Muñoz, Joaquin…[et al.]. 2016. Novel Graphical Analyses of Runs of Homozygosity among Species and Livestock Breeds. International Journal of Genomics،Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1106143
Modern Language Association (MLA)
Iacolina, Laura…[et al.]. Novel Graphical Analyses of Runs of Homozygosity among Species and Livestock Breeds. International Journal of Genomics No. 2016 (2016), pp.1-8.
https://search.emarefa.net/detail/BIM-1106143
American Medical Association (AMA)
Iacolina, Laura& Stronen, Astrid V.& Pertoldi, Cino& Tokarska, Małgorzata& Nørgaard, Louise S.& Muñoz, Joaquin…[et al.]. Novel Graphical Analyses of Runs of Homozygosity among Species and Livestock Breeds. International Journal of Genomics. 2016. Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1106143
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1106143