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Evaluation of a custom QIAseq targeted DNA panel with 164 ancestry informative markers sequenced with the Illumina MiSeq

Truelsen, D ; Freire-Aradas, A ; Nazari, M ; Aliferi, A ; Ballard, D ; Phillips, C ; Morling, N ; Pereira, V ; Børsting, C

Scientific reports, 2021-10, Vol.11 (1), p.21040-21040, Article 21040 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Evaluation of a custom QIAseq targeted DNA panel with 164 ancestry informative markers sequenced with the Illumina MiSeq
  • Autor: Truelsen, D ; Freire-Aradas, A ; Nazari, M ; Aliferi, A ; Ballard, D ; Phillips, C ; Morling, N ; Pereira, V ; Børsting, C
  • Assuntos: Alleles ; Deoxyribonucleic acid ; DNA ; DNA Fingerprinting ; Forensic science ; Genetic Markers ; Genetics ; Heterozygotes ; High-Throughput Nucleotide Sequencing ; Humans ; Laboratories ; Noise ; Nucleotide sequence ; Polymorphism, Single Nucleotide ; Sequence Analysis, DNA
  • É parte de: Scientific reports, 2021-10, Vol.11 (1), p.21040-21040, Article 21040
  • Notas: ObjectType-Article-2
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  • Descrição: Introduction of new methods requires meticulous evaluation before they can be applied to forensic genetic case work. Here, a custom QIAseq Targeted DNA panel with 164 ancestry informative markers was assessed using the MiSeq sequencing platform. Concordance, sensitivity, and the capability for analysis of mixtures were tested. The assay gave reproducible and nearly concordant results with an input of 10 and 2 ng DNA. Lower DNA input led to an increase in both locus and allele drop-outs, and a higher variation in heterozygote balance. Locus or allele drop-outs in the samples with less than 2 ng DNA input were not necessarily associated with the overall performance of a locus. Thus, the QIAseq assay will be difficult to implement in a forensic genetic setting where the sample material is often scarce and of poor quality. With equal or near equal mixture ratios, the mixture DNA profiles were easily identified by an increased number of imbalanced heterozygotes. For more skewed mixture ratios, the mixture DNA profiles were identified by an increased noise level. Lastly, individuals from Great Britain and the Middle East were investigated. The Middle Eastern individuals showed a greater affinity with South European populations compared to North European populations.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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