Identification of mouse inbred strains through mitochondrial DNA single-nucleotide extension.
see Reprint Collection.
Electrophoresis 2008 Dec; 29(23):4795-802.
Inbred mouse strains are used as model organisms for biomedical research in laboratories throughout the world. The most widely used of these strains had their genome sequenced recently, and phylogenetic studies have been performed, namely, based on mitochondrial DNA (mtDNA). This has allowed determining that few polymorphisms distinguish the mtDNAs of the common inbred strains, but a high number of differences are observed among the wild-derived strains. Taking advantage of these observations, we here present a single base extension typing strategy that, with only a pair of multiplex reactions, allows the distinction between common inbred and wild-derived mice strains, and provides the identification of ten different common inbred and six wild-derived mice mtDNA haplotypes. Given that all the animals inside a strain present the same mtDNA, this strategy allows a rapid identification of the strains without the need for probability calculations. We further test this approach in an island population of wild mice, which provides both an indication on its applicability in wild mice, and a comparison of evolutionary processes on inbred and wild mice that are restricted to a limited space. Rapid genotyping methods that allow the distinction of the different strains are important for both the distinction of materials such as tissue and cell collections and to identify the origin of new strains. Moreover, it may also prove valuable in forensic identification of materials collected in laboratory accidents, as well as in cases of scientific fraud.
Goios, A; Gusmao, L; Rocha, A M.; Fonseca, A; Pereira, L; Bogue, M; and Amorim, A, "Identification of mouse inbred strains through mitochondrial DNA single-nucleotide extension." (2008). Faculty Research 2000 - 2009. 1880.
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