UK and Irish Y-STR population data—A catalogue of variant alleles

Anastasia Aliferi, Jim Thomson, Andrew McDonald, Vanessa Molin Paynter, Steven Ferguson, Des Vanhinsbergh, Denise Syndercombe Court, David Ballard

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A total of 3128 Y-STR profiles from three UK and one Irish population have been analysed with the PowerPlex Y23 system and are reported here. Instances of haplotype sharing between apparently unrelated individuals were identified and further investigated with the use of the 5 additional markers within the Yfiler Plus kit, resulting in a reduction by 76% in the number of shared haplotypes. Furthermore, Yfiler Plus was also employed to verify locus deletions and duplications observed in Y23 genotypes while inconsistencies between the two kits were sequenced, revealing underlying Y23 primer binding site mutations in loci DYS392 and DYS576. Finally, the mechanism behind a previously reported population specific peak shift observed in DYS481 in South Asian samples has been evaluated and further investigated in a novel case of this phenomenon seen in a Black British individual featuring a different flanking region mutation.
Original languageEnglish
Pages (from-to)E1-E6
JournalForensic Science International-Genetics
Early online date2 Mar 2018
Publication statusPublished - 1 May 2018


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