Multiplex mtDNA coding region SNP assays for molecular dissection of haplogroups U/K and J/T

Forensic Science International. Genetics
P GrignaniC Previderè

Abstract

Mitochondrial DNA (mtDNA) U/K and J/T are sister haplogroups within the superhaplogroup R. They are both common in Europe, with a combined overall frequency similar to the one reported for H, the most common European haplogroup (40-50%). In this study, we selected 159 Italian subjects, already ascribed to U/K and J/T by RFLP typing, and assigned each mtDNA to specific clades/subclades by investigating at least one diagnostic coding region SNP. For each sister haplogroup, one multiplex PCR and one SNaPshot minisequencing reaction were set up targeting 16 U/K and 7 J/T coding region SNPs. Each mtDNA sample was clearly assigned to a specific subclade, which could be further subdivided into several minor sub-branches according to peculiar HVS I/II motifs. Such a molecular dissection of haplogroups U/K and J/T could be extremely useful to reduce the overall analysis time and labor intensive sequencing procedures in high volume forensic casework, for example when it is important to rapidly exclude samples in order to restrict the number of suspects.

References

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Dec 8, 2005·International Journal of Legal Medicine·P GrignaniC Previderè
Jan 13, 2006·American Journal of Human Genetics·Doron M BeharKarl Skorecki
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Citations

Jun 8, 2010·Forensic Science, Medicine, and Pathology·Shanan S Tobe, Adrian Linacre
Sep 24, 2011·Forensic Science International. Genetics·Kaye N BallantyneManfred Kayser

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