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Forensic Science International. Genetics

Ling Chen, Weian Du, Weibin Wu, Anlu Yu, Xiyong Pan, Peipei Feng, Chunlei Feng, Chen Li, Lingdan Xu, Changhui Liu, Chao Liu
In this study, a multiplex amplification system including 47 autosomal InDels, 2 Y-chromosome InDels, and the sex-determining marker (Amelogenin) was developed with six fluorescent dyes labeling. These InDels were selected from the previous study based on a series of criteria (0.3 < MAF < 0.5, HET > 0.4, etc). The system was designated the AGCU InDel 50 kit and was validated in a series of studies, including a degradation study; tests for sensitivity, species specificity, reproducibility, stability, applicability to case samples, balance of peak height, and PCR conditions; and a population study...
February 12, 2019: Forensic Science International. Genetics
Ye Li, Xiong Li, Wanying Chen, Yujiang Fan, Mingkun Xie, Jin Wu
No abstract text is available yet for this article.
February 8, 2019: Forensic Science International. Genetics
Luyao Li, Yi Ye, Feng Song, Zheng Wang, Yiping Hou
Insertion/deletion analysis can serve as a promising and useful supporting tool in forensic research. The Qiagen Investigator® DIPplex Kit contained 30 well-chosen autosomal InDels was targeted to reveal the population genetic variation. In the present study, 10 Tibetan populations residing in different geographic areas of China were recruited and genotyped by Investigator® DIPplex Kit. Allele frequencies and forensic parameters were determined. No significant departures from Hard-Weinberg equilibrium (HWE) in all loci/populations after Bonferroni correction...
February 5, 2019: Forensic Science International. Genetics
Martin Zieger, Silvia Utz
Comparatively little knowledge is available about the genetic structure of the Swiss population. Missing allele frequency data for some markers frequently used in forensics and paternity / kinship testing is just one practical aspect of this lack of genetic data. Therefore, in an attempt to fill this gap, we established a biobank of 1198 Swiss blood samples, systematically collected throughout the whole country. For the first time, this collection contains a population sample from the southernmost Italian speaking canton of Ticino...
February 5, 2019: Forensic Science International. Genetics
Chi-Zao Wang, Ming-Jie Su, Yu Li, Lei Chen, Xin Jin, Shao-Qing Wen, Jingze Tan, Mei-Sen Shi, Hui Li
No abstract text is available yet for this article.
February 4, 2019: Forensic Science International. Genetics
Petra Zenke, Balázs Egyed, Gábor Kovács, Zsolt Pádár
No abstract text is available yet for this article.
February 1, 2019: Forensic Science International. Genetics
Tristan Krap, Loes Busscher, Jan M Ruijter, Roelof-Jan Oostra, Wilma Duijst
No abstract text is available yet for this article.
January 31, 2019: Forensic Science International. Genetics
Clémence Hollard, Lionel Ausset, Yann Chantrel, Sandrine Jullien, Maéva Clot, Magalie Faivre, Élodie Suzanne, Laurent Pène, François-Xavier Laurent
Massively parallel sequencing (MPS) applications in forensic science highlight the advantages of this technique compared to capillary electrophoresis (CE). The multiplexing of a wide range of genetic markers and access to the full amplicon sequence, allowing the detection of isoalleles, make it a very promising tool which could be applied to the most challenging casework DNA samples. However, the complexity of the manual library preparation protocol, potential DNA contamination and sample tracking issues are the main reasons why forensic scientists still hesitate to implement MPS analytical workflows in their laboratory...
January 31, 2019: Forensic Science International. Genetics
Annica Gosch, Cornelius Courts
Since DNA from touched items and surfaces ("touch DNA") can successfully and reliably be analyzed, the question as to how a particular DNA containing sample came to be from where it was recovered is of increasing forensic interest and expert witnesses in court are increasingly challenged to assess for instance whether an incriminatory DNA sample matching to a suspect could have been transferred to the crime scene in an innocent manner and to guess at the probability of such an occurrence. The latter however will frequently entail expressing a subjective probability i...
January 31, 2019: Forensic Science International. Genetics
Mikkel Meyer Andersen, James Curran, Jacob de Zoete, Duncan Taylor, John Buckleton
No abstract text is available yet for this article.
January 22, 2019: Forensic Science International. Genetics
Angel Carracedo, Alexander J Smith
No abstract text is available yet for this article.
January 17, 2019: Forensic Science International. Genetics
Tunde I Huszar, Jon H Wetton, Mark A Jobling
Sequence analysis of the mitochondrial DNA (mtDNA) control region can provide forensically useful information, particularly in challenging samples where autosomal DNA profiling fails. Sub-division of the 1122-bp region into shorter PCR fragments improves data recovery, and such fragments can be analysed together via massively parallel sequencing (MPS). Here, we generate mtDNA data using the prototype PowerSeq™ Auto/Mito/Y System (Promega) MPS assay, in which a single PCR reaction amplifies ten overlapping amplicons of the control region, in a set of 101 highly diverse samples representing most major clades of the mtDNA phylogeny...
January 16, 2019: Forensic Science International. Genetics
Jo-Anne Bright, Kevin Cheng, Zane Kerr, Catherine McGovern, Hannah Kelly, Tamyra R Moretti, Michael A Smith, Frederick R Bieber, Bruce Budowle, Michael D Coble, Rashed Alghafri, Paul Stafford Allen, Amy Barber, Vickie Beamer, Christina Buettner, Melanie Russell, Christian Gehrig, Tacha Hicks, Jessica Charak, Kate Cheong-Wing, Anne Ciecko, Christie T Davis, Michael Donley, Natalie Pedersen, Bill Gartside, Dominic Granger, MaryMargaret Greer-Ritzheimer, Erick Reisinger, Jarrah Kennedy, Erin Grammer, Marla Kaplan, David Hansen, Hans J Larsen, Alanna Laureano, Christina Li, Eugene Lien, Emilia Lindberg, Ciara Kelly, Ben Mallinder, Simon Malsom, Alyse Yacovone-Margetts, Andrew McWhorter, Sapana M Prajapati, Tamar Powell, Gary Shutler, Kate Stevenson, April R Stonehouse, Lindsey Smith, Julie Murakami, Eric Halsing, Darren Wright, Leigh Clark, Duncan A Taylor, John Buckleton
An intra and inter-laboratory study using the probabilistic genotyping (PG) software STRmix™ is reported. Two complex mixtures from the PROVEDIt set, analysed on an Applied Biosystems™ 3500 Series Genetic Analyzer, were selected. 174 participants responded. For Sample 1 (low template, in the order of 200 rfu for major contributors) five participants described the comparison as inconclusive with respect to the POI or excluded him. Where LRs were assigned, the point estimates ranging from 2 × 104 to 8 × 106 ...
January 15, 2019: Forensic Science International. Genetics
Suhua Zhang, Chong Chen, Chengtao Li
No abstract text is available yet for this article.
January 14, 2019: Forensic Science International. Genetics
Sherman McCall, Gabriele Kreindl, Tamara Kastinger, Eva Müller, Waltraud Zahrer, Ines Grießner, Bettina Dunkelmann, Edith Tutsch-Bauer, Franz Neuhuber, Phillip R Pittman, Rick Wahl, Mark Lowry, Jan Cemper-Kiesslich
The Deputy Führer of the Third Reich Rudolf Hess was captured after a controversial flight to Scotland in 1941. Hess was sentenced to life imprisonment during the Nuremberg War Crimes Trials. He was detained in Berlin's Spandau Prison under the official security designation 'Spandau #7.' Early doubts arose about the true identity of prisoner 'Spandau #7.' This evolved to a frequently espoused conspiracy theory that prisoner 'Spandau #7' was an imposter and not Rudolf Hess. After Hess's reputed 1987 suicide, the family grave became a Neo-Nazi pilgrimage site...
January 11, 2019: Forensic Science International. Genetics
Athina Vidaki, Manfred Kayser, Michael Nothnagel
No abstract text is available yet for this article.
January 9, 2019: Forensic Science International. Genetics
Shouyu Wang, Zheng Wang, Ruiyang Tao, Guanglin He, Jing Liu, Chengtao Li, Yiping Hou
In the forensic community, RNA profiling has been investigated as a potential method to identify body fluids. Several RNA molecules, including messenger RNA (mRNA), microRNA (miRNA) and circular RNA (circRNA), have been explored as biomarkers to distinguish different body fluids and have led to considerable interest in the development of RNA biomarkers for forensic purposes. Piwi-interacting RNA (piRNA), a class of noncoding RNAs, is a potential biomarker for body fluid identification because of its short length (˜24-32 nt) and specific expression pattern in human tissues...
January 8, 2019: Forensic Science International. Genetics
Therese Graversen, Julia Mortera, Giampietro Lago
Here, we illustrate how statistical methods can help extract information from mixed DNA profiles pertaining to an Italian case, referred to by the media as The murder of Yara Gambirasio. We base the analysis on a model for DNA mixtures that takes fully into account the peak heights and possible artefacts, like stutter and dropout that might occur in the DNA amplification process. We show how to combine the evidence from multiple samples and from different marker systems all within the model framework. The combined evidence is used for deconvolution, where the focus is to find likely profiles for the donors to the sample...
January 5, 2019: Forensic Science International. Genetics
Deanna D Hayden, Jeanette M Wallin
Often fingernails from a victim or suspect involved in a physical assault, such as murder or sexual assault, are submitted to crime laboratories for DNA testing of foreign/exogenous biological material; however, very few studies have been conducted comparing the effectiveness of different sampling methods on the removal of foreign/exogenous DNA while minimizing the fingernail endogenous DNA. In this study three different sampling methods (swabbing, PBS soak, and PrepFiler® lysis buffer soak) were compared in order to identify one that minimizes the amount of endogenous DNA removed and maximizes the amount of foreign/exogenous male DNA removed...
January 4, 2019: Forensic Science International. Genetics
Maria-Alexandra Katsara, Michael Nothnagel
DNA-based prediction of externally visible characteristics has become an established approach in forensic genetics, with the aim of tracing individuals who are potentially unknown to the investigating authorities but without using this prediction as evidence in court. While a number of prediction models have been proposed, use of prior probabilities in those models has largely been absent. Here, we aim at compiling information on the spatial distribution of eye and hair coloration in order to use this as prior knowledge to improve prediction accuracy...
January 2, 2019: Forensic Science International. Genetics
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