A SNP panel for identification of DNA and RNA specimens

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ID: 33367
2018
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Abstract
Abstract Background SNP panels that uniquely identify an individual are useful for genetic and forensic research. Previously recommended SNP panels are based on DNA profiles and mostly contain intragenic SNPs. With the increasing interest in RNA expression profiles, we aimed for establishing a SNP panel for both DNA and RNA-based genotyping. Results To determine a small set of SNPs with maximally discriminative power, genotype calls were obtained from DNA and blood-derived RNA sequencing data belonging to healthy, geographically dispersed, Dutch individuals. SNPs were selected based on different criteria like genotype call rate, minor allele frequency, Hardy–Weinberg equilibrium and linkage disequilibrium. A panel of 50 SNPs was sufficient to identify an individual uniquely: the probability of identity was 6.9 × 10− 20 when assuming no family relations and 1.2 × 10− 10 when accounting for the presence of full sibs. The ability of the SNP panel to uniquely identify individuals on DNA and RNA level was validated in an independent population dataset. The panel is applicable to individuals from European descent, with slightly lower power in non-Europeans. Whereas most of the genes containing the 50 SNPs are expressed in various tissues, our SNP panel needs optimization for other tissues than blood. Conclusions This first DNA/RNA SNP panel will be useful to identify sample mix-ups in biomedical research and for assigning DNA and RNA stains in crime scenes to unique individuals.
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yousefi2018abmc Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yousefi, Soheil;Abbassi-Daloii, Tooba;Kraaijenbrink, Thirsa;Vermaat, Martijn;Mei, Hailiang;Hof, Peter van ‘t;Iterson, Maarten van;Zhernakova, Daria V.;Claringbould, Annique;Franke, Lude;Hart, Leen M. ‘t;Slieker, Roderick C.;Heijden, Amber van der;Knijff, Peter de;consortium, BIOS;Hoen, Peter A. C. ’t;
Journal BMC genomics
Year 2018
DOI
DOI not found
URL
http://link.springer.com/article/10.1186/s12864-018-4482-7
Keywords Keywords not found

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