Design and validation of a 63K genome-wide SNP-genotyping platform for caribou/reindeer (Rangifer tarandus)

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dc.contributor.authorCarrier, Alexandra
dc.contributor.authorPrunier, Julien
dc.contributor.authorPoisson, William
dc.contributor.authorTrottier-Lavoie, Mallorie
dc.contributor.authorGilbert, Isabelle
dc.contributor.authorCavedon, Maria
dc.contributor.authorPokharel, Kisun
dc.contributor.authorKantanen, Juha
dc.contributor.authorMusiani, Marco
dc.contributor.authorCôté, Steeve D.
dc.contributor.authorAlbert, Vicky
dc.contributor.authorTaillon, Joëlle
dc.contributor.authorBourret, Vincent
dc.contributor.authorDroit, Arnaud
dc.contributor.authorRobert, Claude
dc.date.accessioned2022-10-09T00:05:19Z
dc.date.available2022-10-09T00:05:19Z
dc.date.issued2022-10-05
dc.date.updated2022-10-09T00:05:19Z
dc.description.abstractAbstract Background Development of large single nucleotide polymorphism (SNP) arrays can make genomic data promptly available for conservation problematic. Medium and high-density panels can be designed with sufficient coverage to offer a genome-wide perspective and the generated genotypes can be used to assess different genetic metrics related to population structure, relatedness, or inbreeding. SNP genotyping could also permit sexing samples with unknown associated metadata as it is often the case when using non-invasive sampling methods favored for endangered species. Genome sequencing of wild species provides the necessary information to design such SNP arrays. We report here the development of a SNP-array for endangered Rangifer tarandus using a multi-platform sequencing approach from animals found in diverse populations representing the entire circumpolar distribution of the species. Results From a very large comprehensive catalog of SNPs detected over the entire sample set (N = 894), a total of 63,336 SNPs were selected. SNP selection accounted for SNPs evenly distributed across the entire genome (~ every 50Kb) with known minor alleles across populations world-wide. In addition, a subset of SNPs was selected to represent rare and local alleles found in Eastern Canada which could be used for ecotype and population assignments - information urgently needed for conservation planning. In addition, heterozygosity from SNPs located in the X-chromosome and genotyping call-rate of SNPs located into the SRY gene of the Y-chromosome yielded an accurate and robust sexing assessment. All SNPs were validated using a high-throughput SNP-genotyping chip. Conclusion This design is now integrated into the first genome-wide commercially available genotyping platform for Rangifer tarandus. This platform would pave the way to future genomic investigation of populations for this endangered species, including estimation of genetic diversity parameters, population assignments, as well as animal sexing from genetic SNP data for non-invasive samples.
dc.identifier.citationBMC Genomics. 2022 Oct 05;23(1):687
dc.identifier.doihttps://doi.org/10.1186/s12864-022-08899-6
dc.identifier.urihttp://hdl.handle.net/1880/115355
dc.language.rfc3066en
dc.rights.holderThe Author(s)
dc.titleDesign and validation of a 63K genome-wide SNP-genotyping platform for caribou/reindeer (Rangifer tarandus)
dc.typeJournal Article
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