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Magee, DA,Berkowicz, EW,Sikora, KM,Sweeney, T,Kenny, DA,Kelly, AK,Evans, RD,Wickham, BW,Bradley, DG,Spillane, C,MacHugh, DE
2010
January
Animal Biotechnology
HIGH CONCORDANCE OF BOVINE SINGLE NUCLEOTIDE POLYMORPHISM GENOTYPES GENERATED USING TWO INDEPENDENT GENOTYPING STRATEGIES
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Bos taurus Concordance rates Genotyping SNP HORMONE GROWTH ERRORS SEQUENCE GENETICS CATTLE
21
257
262
Single nucleotide polymorphisms (SNPs) represent the most common form of DNA sequence variation in mammalian livestock genomes. While the past decade has witnessed major advances in SNP genotyping technologies, genotyping errors caused, in part, by the biochemistry underlying the genotyping platform used, can occur. These errors can distort project results and conclusions and can result in incorrect decisions in animal management and breeding programs; hence, SNP genotype calls must be accurate and reliable. In this study, 263 Bos spp. samples were genotyped commercially for a total of 16 SNPs. Of the total possible 4,208 SNP genotypes, 4,179 SNP genotypes were generated, yielding a genotype call rate of 99.31% (standard deviation +/- 0.93%). Between 110 and 263 samples were subsequently re-genotyped by us for all 16 markers using a custom-designed SNP genotyping platform, and of the possible 3,819 genotypes a total of 3,768 genotypes were generated (98.70% genotype call rate, SD +/- 1.89%). A total of 3,744 duplicate genotypes were generated for both genotyping platforms, and comparison of the genotype calls for both methods revealed 3,741 concordant SNP genotype call rates (99.92% SNP genotype concordance rate). These data indicate that both genotyping methods used can provide livestock geneticists with reliable, reproducible SNP genotypic data for in-depth statistical analysis.
DOI 10.1080/10495398.2010.509680
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