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Forensic Science International. Genetics

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https://www.readbyqxmd.com/read/28420594/population-data-of-18-autosomal-str-loci-in-the-chinese-han-population-from-heilongjiang-province-northeast-china
#1
LETTER
Xiao-Ming Xu, Zhong-Hua Xu, Da-Wei Wang, Jun Yao
No abstract text is available yet for this article.
April 11, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28419903/dna-methylation-based-age-prediction-from-saliva-high-age-predictability-by-combination-of-7-cpg-markers
#2
Sae Rom Hong, Sang-Eun Jung, Eun Hee Lee, Kyoung-Jin Shin, Woo Ick Yang, Hwan Young Lee
DNA methylation is currently one of the most promising age-predictive biomarkers. Many studies have reported DNA methylation-based age predictive models, but most of these are based on DNA methylation patterns from blood. Only a few studies have examined age-predictive DNA patterns in saliva, which is one of the most frequently-encountered body fluids at crime scenes. In this study, we generated genome-wide DNA methylation profiles of saliva from 54 individuals and identified CpG markers that showed a high correlation between methylation and age...
April 9, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28416281/population-structure-of-han-nationality-in-central-southern-china
#3
Qiu-Ling Liu, Ye-Fei Chen, Xin He, Yan-Wei Shi, Wei-Wei Wu, Hu Zhao, De-Jian Lu
Knowledge of population structure is very important for forensic genetics. However, the population substructure in Central-Southern China Han nationality has still not been fully described. In this study, we investigated the genetic diversity of 15 forensic autosomal STR loci from 6879 individuals in 12 Han populations subdivided by administrative provinces in Central-Southern China. The statistical analysis of genetic variation showed that genetic differentiation among these populations was very small with a Fst value of 0...
April 4, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28419902/evaluating-the-efficacy-of-dna-differential-extraction-methods-for-sexual-assault-evidence
#4
Sonja B Klein, Martin R Buoncristiani
Analysis of sexual assault evidence, often a mixture of spermatozoa and victim epithelial cells, represents a significant portion of a forensic DNA laboratory's case load. Successful genotyping of sperm DNA from these mixed cell samples, particularly with low amounts of sperm, depends on maximizing sperm DNA recovery and minimizing non-sperm DNA carryover. For evaluating the efficacy of the differential extraction, we present a method which uses a Separation Potential Ratio (SPRED) to consider both sperm DNA recovery and non-sperm DNA removal as variables for determining separation efficiency...
March 31, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28399438/internal-validation-of-the-dnascan-ande%C3%A2-rapid-dna-analysis%C3%A2-platform-and-its-associated-powerplex-%C3%A2-16-high-content-dna-biochip-cassette-for-use-as-an-expert-system-with-reference-buccal-swabs
#5
Lilliana I Moreno, Alice L Brown, Thomas F Callaghan
Rapid DNA platforms are fully integrated systems capable of producing and analyzing short tandem repeat (STR) profiles from reference sample buccal swabs in less than two hours. The technology requires minimal user interaction and experience making it possible for high quality profiles to be generated outside an accredited laboratory. The automated production of point of collection reference STR profiles could eliminate the time delay for shipment and analysis of arrestee samples at centralized laboratories...
March 31, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28396051/genetic-polymorphisms-of-20-autosomal-str-loci-in-5141-individuals-from-the-han-population-of-xiamen-southeast-china
#6
LETTER
Yan Lu, Peng Song, Jian-Chun Huang, Xu Wu
No abstract text is available yet for this article.
March 31, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28366289/overcoming-sodium-dodecyl-sulfate-induced-pcr-inhibition
#7
LETTER
Lina Boiso, Johannes Hedman
No abstract text is available yet for this article.
March 23, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28363122/trace-dna-evidence-dynamics-an-investigation-into-the-deposition-and-persistence-of-directly-and-indirectly-transferred-dna-on-regularly-used-knives
#8
Georgina E Meakin, Emma V Butcher, Roland A H van Oorschot, Ruth M Morgan
Empirical data on the transfer and persistence of trace DNA are crucial to the evaluation of forensic DNA evidence. This evaluation can be complicated by the occurrence of indirect DNA transfer; the possibility of which is well established, but research into such transfer is often focussed on unrealistic situations, e.g. handling of DNA-free items after participants have shaken hands for 1-2min. To simulate more realistic scenarios, this study investigated the deposition and persistence of both directly- and indirectly-transferred DNA on knives that had been artificially set up as 'regularly-used'...
March 21, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28363123/the-implications-of-shedder-status-and-background-dna-on-direct-and-secondary-transfer-in-an-attack-scenario
#9
Ane Elida Fonneløp, Merete Ramse, Thore Egeland, Peter Gill
In court questions are often raised related to how trace DNA was deposited, directly during the crime or innocently for instance by secondary transfer. It is therefore of interest to have knowledge of the probability of transfer or secondary transfer in different situations. Factors that could influence transfer probabilities are background DNA and the shedder status of the involved persons. In this study, we have classified participants as high or low DNA shedders. We observed DNA transfer in a simulated attack scenario, and demonstrated that shedder status has a significant influence of transfer rates...
March 20, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28380400/key-individuals-for-discerning-pedigrees-belonging-to-the-same-autosomal-kinship-class
#10
Joana Gonçalves, Eduardo Conde-Sousa, Thore Egeland, António Amorim, Nadia Pinto
The existence of pedigrees belonging to the same kinship class (i.e. indistinguishable through independent markers) is well known in the forensic community, and theoretical frameworks for autosomal and X-chromosomal markers were already developed for a pair of individuals. Nevertheless, studies for the cases where a greater number of individuals is available for testing are still lacking. With this work, we intend to pave the way for a theoretical and general framework, identifying the individuals/relatives that should be chosen to distinguish autosomal analyses between such pedigrees...
March 19, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28391141/development-and-validation-of-a-novel-multiplexed-dna-analysis-system-innotyper-%C3%A2-21
#11
Hiromi Brown, Robyn Thompson, Gina Murphy, Dixie Peters, Bobby La Rue, Jonathan King, Anne H Montgomery, Marion Carroll, James Baus, Sid Sinha, Frank R Wendt, Bing Song, Ranajit Chakraborty, Bruce Budowle, Sudhir K Sinha
We report here a novel multiplexed DNA analysis system consisting of 20 Alu markers and Amelogenin for analysis of highly degraded forensic biological samples. The key to the success of the system in obtaining results from degraded samples is the primer design yielding small amplicon size (60-125bp) for all 20 markers. The markers included in the InnoTyper(®) 21 system are bi-allelic, having two possible allelic states (insertion or null) and thus termed INNULs. The markers are short interspersed nuclear elements (SINEs), a category of retrotransposable elements (REs) which are non-coding genomic DNA repeat sequences, or "mobile insertion elements," comprising approximately 40% of the human genome...
March 18, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28359046/evaluating-130-microhaplotypes-across-a-global-set-of-83-populations
#12
Kenneth K Kidd, William C Speed, Andrew J Pakstis, Daniele S Podini, Robert Lagacé, Joseph Chang, Sharon Wootton, Eva Haigh, Usha Soundararajan
Today the primary DNA markers used in forensics are short tandem repeat (STR) polymorphisms (STRPs), initially selected because they are highly polymorphic. However, the increasingly common need to deal with samples with a mixture of DNA from two or more individuals sometimes is complicated by the inherent stutter involved with PCR amplification, especially in strongly unbalanced mixtures when the minor component coincides with the stutter range of the major component. Also, the STRPs in use provide little evidence of ancestry of a single source sample beyond broad "continental" resolution...
March 16, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28342795/genetic-variation-of-17-autosomal-str-loci-in-the-zhuang-ethnic-minority-from-guangxi-zhuang-autonomous-region-in-the-south-of-china
#13
LETTER
Fei Guo, Jun Li, Teju Wei, Qiansu Ye, Zucong Chen
No abstract text is available yet for this article.
March 16, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28343098/developmental-validation-of-qiagen-investigator-%C3%A2-24plex-qs-kit-and-investigator-%C3%A2-24plex-go-kit-two-6-dye-multiplex-assays-for-the-extended-codis-core-loci
#14
Melanie Kraemer, Anke Prochnow, Michael Bussmann, Mario Scherer, Ralf Peist, Carolyn Steffen
The original CODIS database based on 13 core STR loci has been overwhelmingly successful for matching suspects with evidence. In order to increase the power of discrimination, reduce the possibility of adventitious matches, and expand global data sharing, the CODIS Core Loci Working Group determined the expansion of the CODIS core loci to 20 STR plus three additional "highly recommended" loci (SE33, DY391, Amelogenin) Hares, 2015, 2012 [1,2]. The QIAGEN Investigator 24plex QS and Investigator 24plex GO! Kits are 6-dye multiplex assays that contain all markers of the expanded 23 CODIS core loci along with a unique internal performance control that is co-amplified with the STR markers...
March 12, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28343097/strait-razor-v2s-advancing-sequence-based-str-allele-reporting-and-beyond-to-other-marker-systems
#15
Jonathan L King, Frank R Wendt, Jie Sun, Bruce Budowle
STRait Razor has provided the forensic community a free-to-use, open-source tool for short tandem repeat (STR) analysis of massively parallel sequencing (MPS) data. STRait Razor v2s (SRv2s) allows users to capture physically phased haplotypes within the full amplicon of both commercial (ForenSeq) and "early access" panels (PowerSeq, Mixture ID). STRait Razor v2s may be run in batch mode to facilitate population-level analysis and is supported by all Unix distributions (including MAC OS). Data are reported in tables in string (haplotype), length-based (e...
March 12, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28342797/forensic-evaluation-of-the-20-str-loci-in-the-population-of-croatia
#16
LETTER
Lucija Barbarić, Petar Ozretić, Ivana Horjan, Marina Korolija, Gordan Mršić
No abstract text is available yet for this article.
March 9, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28342798/allele-frequencies-and-other-forensic-parameters-of-the-hid-ion-ampliseq%C3%A2-identity-panel-markers-in-basques-using-the-ion-torrent-pgm%C3%A2-platform
#17
O García, A Soto, I Yurrebaso
The HID-Ion AmpliSeq™ Identity Panel amplifies 90 autosomal SNPs and 34 Y- SNPs with massively parallel sequencing (MPS) using the Ion Torrent PGM™ platform. In the present study, 105 Basques were analyzed to assess this panel. All loci were in Hardy-Weinberg equilibrium and no association between them was detected. Forensic parameters were calculated as 5.74×10(-36) for combined match probability and 99.99998% for combined power of exclusion. In conclusion, the HID Identity panel and the use of this new MPS technology are very promising tools for paternity testing and human identification in routine casework in the forensic field...
March 8, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28342368/set-up-of-cutoff-thresholds-for-kinship-determination-using-snp-loci
#18
Sohee Cho, Eun Soon Shin, Hyung Jin Yu, Ji Hyun Lee, Hee Jin Seo, Moon Young Kim, Soong Deok Lee
The usefulness of single nucleotide polymorphism (SNP) loci for kinship testing has been demonstrated in many case works, and suggested as a promising marker for relationship identification. For interpreting results based on the calculation of the likelihood ratio (LR) in kinship testing, it is important to prepare cutoffs for respective relatives which are dependent on genetic relatedness. For this, analysis using true pedigree data is significant and reliable as it reflects the actual frequencies of markers in the population...
March 8, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28324847/species-identification-in-forensic-samples-using-the-spindel-approach-a-ghep-isfg-inter-laboratory-collaborative-exercise
#19
Cíntia Alves, Rui Pereira, Lourdes Prieto, Mercedes Aler, Cesar R L Amaral, Cristina Arévalo, Gabriela Berardi, Florencia Di Rocco, Mariela Caputo, Cristian Hernandez Carmona, Laura Catelli, Heloísa Afonso Costa, Pavla Coufalova, Sandra Furfuro, Óscar García, Anibal Gaviria, Ana Goios, Juan José Builes Gómez, Alexis Hernández, Eva Del Carmen Betancor Hernández, Luís Miranda, David Parra, Susana Pedrosa, Maria João Anjos Porto, Maria de Lurdes Rebelo, Matteo Spirito, María Del Carmen Villalobos Torres, António Amorim, Filipe Pereira
DNA is a powerful tool available for forensic investigations requiring identification of species. However, it is necessary to develop and validate methods able to produce results in degraded and or low quality DNA samples with the high standards obligatory in forensic research. Here, we describe a voluntary collaborative exercise to test the recently developed Species Identification by Insertions/Deletions (SPInDel) method. The SPInDel kit allows the identification of species by the generation of numeric profiles combining the lengths of six mitochondrial ribosomal RNA (rRNA) gene regions amplified in a single reaction followed by capillary electrophoresis...
March 7, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28410948/population-genetic-data-and-mutations-of-22-autosomal-str-loci-in-guizhou-han-population
#20
LETTER
Meiqing Yang, Zheng Ren, Jingyan Ji, Hao Zhou, Hongling Zhang, Jialin Dai, Jie Wang, Jiang Huang
No abstract text is available yet for this article.
March 6, 2017: Forensic Science International. Genetics
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