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18.10.2017 | Original Article | Ausgabe 4/2018

International Journal of Legal Medicine 4/2018

SNP typing using the HID-Ion AmpliSeq™ Identity Panel in a southern Chinese population

Zeitschrift:
International Journal of Legal Medicine > Ausgabe 4/2018
Autoren:
Ran Li, Chuchu Zhang, Haiyan Li, Riga Wu, Haixia Li, Zhenya Tang, Chenhao Zhen, Jianye Ge, Dan Peng, Ying Wang, Hongying Chen, Hongyu Sun

Abstract

In the present study, 90 autosomal single nucleotide polymorphisms (SNPs) and 34 Y chromosomal SNPs were sequenced simultaneously using HID-Ion AmpliSeq™ Identity Panel on the Ion PGM™ platform for 125 samples in a southern Chinese population. Raw data were analyzed and forensic parameters were calculated. Haplogrouping concordance was also assessed using alternative methods based on Y-SNP haplotypes and Y-STR haplotypes. The results showed that allelic imbalance occurred more frequently with low coverage while several SNPs with high coverage were also observed with poor allelic balance, including rs214955, rs430046, rs7520386, rs876724, rs9171188, rs16981290, and rs2032631. Totally, 21,261 miscalled reads (0.28%) were observed. The rate of allele-specific miscalled reads (ASMRs) was higher than that of allele nonspecific miscalled reads (ANMRs) and associated with genetic diversity of the SNP. The ASMRs of major allele were lower than that of minor allele while there was no difference for ANMRs. The combined discrimination power (CDP) was 1–4.81 × 10−34 and the combined power of exclusion (CPE) was 0.99989 and 0.99999992 for duo and trio paternity testing, respectively. No significant genetic difference was detected between southern and northern Chinese populations. For haplogroup study, O2 was the predominant haplogroup and 97.01% of samples were assigned consistent haplogoups with Y-SNP and Y-STR haplotypes. In conclusion, the AmpliSeq™ Identity Panel was powerful for individual identification and trio paternity testing. ASMRs were associated with the genetic diversity and allele frequency while neither was related for ANMRs. High concordance of haplogrouping assignment can be obtained with Y-STR and Y-SNP haplotypes.

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Zusatzmaterial
ESM 2 (PDF 406 kb)
414_2017_1706_MOESM2_ESM.pdf
ESM 3 (PDF 120 kb)
414_2017_1706_MOESM3_ESM.pdf
Literatur
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