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Electrophoresis. 2018 Nov;39(21):2655-2668. doi: 10.1002/elps.201800030. Epub 2018 Jun 4.

Current state-of-art of STR sequencing in forensic genetics.

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Department of Biology, National Institute of Toxicology and Forensic Sciences, Madrid, Spain.
Institute of Legal Medicine, Medical University of Innsbruck, Innsbruck, Austria.
Institute of Legal Medicine and Forensic Sciences, Charité-Universitätsmedizin Berlin, Berlin, Germany.
Forensic Science Program, The Pennsylvania State University, PA, USA.
Center for Human Identification, University of North Texas Health Science Center, TX, USA.


The current state of validation and implementation strategies of massively parallel sequencing (MPS) technology for the analysis of STR markers for forensic genetics use is described, covering the topics of the current catalog of commercial MPS-STR panels, leading MPS-platforms, and MPS-STR data analysis tools. In addition, the developmental and internal validation studies carried out to date to evaluate reliability, sensitivity, mixture analysis, concordance, and the ability to analyze challenged samples are summarized. The results of various MPS-STR population studies that showed a large number of new STR sequence variants that increase the power of discrimination in several forensically relevant loci are also presented. Finally, various initiatives developed by several international projects and standardization (or guidelines) groups to facilitate application of MPS technology for STR marker analyses are discussed in regard to promoting a standard STR sequence nomenclature, performing population studies to detect sequence variants, and developing a universal system to translate sequence variants into a simple STR nomenclature (numbers and letters) compatible with national STR databases.


Capillary electrophoresis; Forensic genetics; Massively parallel sequencing; Short tandem repeats; Validation studies

[Indexed for MEDLINE]

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