Typing discrepancies have been reported in concordance studies in which population
samples were genotyped using different short tandem repeat (STR) kits [
1
,
2
,
3
,
4
,
5
,
6
,
7
]. However, as far as we know, no comprehensive concordance studies have examined typing
results for the Japanese population. Previously, we genotyped 1501 Japanese samples
using PowerPlex® Fusion [
[8]
] and GlobalFiler® [
[9]
]. Of the 1501 samples, one heterozygous sample showed a discrepancy at the D5S818
locus (designated 9.3, 12 using PowerPlex® Fusion, but 10, 12 using GlobalFiler®),
which was attributed to a single nucleotide deletion in the primer biding site [
[10]
]. Herein, we examined the typing concordance between the two STR kits and confirmed
the presence of silent alleles in the additional discordant samples by a sequencing
analysis. In addition, for the D2S441 and D22S1045 loci, the positions of the 5′ ends
of the GlobalFiler® forward primers were also estimated using our method [
[11]
] in order to examine the causes of the discordant results.To read this article in full you will need to make a payment
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References
- STR primer concordance study.Forensic Sci. Int. 2001; 124: 47-54
- Concordance study on population database samples using the PowerPlex™ 16 kit and AmpFℓSTR® Profiler Plus™ kit and AmpFℓSTR® COfiler™ kit.J. Forensic Sci. 2001; 46: 637-641
- Concordance study between the AmpFℓSTR® MiniFiler™ PCR amplification kit and conventional STR typing kits.J. Forensic Sci. 2007; 52: 870-873
- Concordance and population studies along with stutter and peak height ratio analysis for the PowerPlex® ESX 17 and ESI 17 systems.Forensic Sci. Int. Genet. 2011; 5: 269-275
- European network of forensic science institutes (ENFSI): evaluation of new commercial STR multiplexes that include the european standard set (ESS) of markers.Forensic Sci. Int. Genet. 2012; 6: 819-826
- Comparing six commercial autosomal STR kits in a large Dutch population sample.Forensic Sci. Int. Genet. 2014; 10: 55-63
- Population genetic study for 24 STR loci and Y indel (GlobalFiler™ PCR amplification kit and PowerPlex® Fusion system) in 1000 Korean individuals.Legal Med. (Tokyo). 2016; 21: 53-57
- Allele frequencies for 22 autosomal short tandem repeat loci obtained by PowerPlex Fusion in a sample of 1501 individuals from the Japanese population.Legal Med. (Tokyo). 2014; 16: 234-237
- Allele frequencies for 21 autosomal short tandem repeat loci obtained using GlobalFiler in a sample of 1501 individuals from the Japanese population.Legal Med. (Tokyo). 2015; 17: 306-308
- D5S818 typing discrepancy between PowerPlex® Fusion and other STR kits including GlobalFiler® caused by a one-base deletion in 31 nucleotides upstream of the repeat region.J. Forensic Sci. 2016; 61: 752-758
- A method to determine the 5′ end of the binding site of primers included in a commercially available forensic human identification kit.Forensic Sci. Int. Genet. 2014; 9: 76-80
- DNA Commission of the International Society of Forensic Genetics (ISFG): An update of the recommendations on the use of Y-STRs in forensic analysis.Forensic Sci. Int. 2006; 157: 187-197
- A D19S433 primer binding site mutation and the frequency in Japanese of the silent allele it causes.J. Forensic Sci. 2008; 53: 1068-1073
- A silent allele in the locus D19S433 contained within the AmpFℓSTR® Identifiler™ PCR Amplification Kit.Legal Med. (Tokyo). 2010; 12: 94-96
- Characterization of new miniSTR loci to aid analysis of degraded DNA.J. Forensic Sci. 2005; 50: 43-53
Article info
Publication history
Published online: August 01, 2016
Accepted:
July 30,
2016
Received in revised form:
July 27,
2016
Received:
May 22,
2016
Identification
Copyright
© 2016 Elsevier Ireland Ltd. All rights reserved.