Development of a 24-plex Y chromosomal STR loci typing system |
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| Affiliation: | 1. Guangzhou Institute of Criminal Science and Technology, Guangzhou, China;2. Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China;1. Immunological Research, Universy of Cartagena, Cartagena, Colombia;2. Laboratorio GENES Ltda, Medellín, Colombia;3. Instituto de Biología, Universidad de Antioquia, Medellín, Colombia;4. Laboratorio de Genética Molecular, Cruz Roja Ecuatoriana, Quito, Ecuador;5. Universidad Pontificia Bolivariana, Medellín, Colombia;6. IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Portugal;1. Laboratorio de Genética Molecular de Cruz Vital – Cruz Roja Ecuatoriana Quito, Ecuador;2. Laboratorio GENES Ltda, Medellin, Colombia;1. Institute of Legal Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany;2. IPATIMUP – Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal;3. Forensic Genetics Unit, Institute of Legal Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain;1. Armed Forces DNA Identification Laboratory, Armed Forces Medical Examiner System, United States;2. American Registry of Pathology, United States;3. Flinders University, Australia;4. National Institute of Standards and Technology, United States;1. Forensics Genetic Service, Central Delegation, National Institute of Legal Medicine and Forensic Sciences, I.P., Coimbra, Portugal;2. Cencifor, Forensic Science Centre, Portugal;3. National Institute of Legal Medicine and Forensic Sciences, I.P., Portugal;4. Department of Biology, University of Aveiro, Portugal;1. Flinders Centre for Nanoscale Science and Technology, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, Australia;2. School of Biological Sciences, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, Australia |
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| Abstract: | Y-chromosomal short tandem repeat (Y-STR) loci can play important roles in forensic casework and paternity testing. In our paper, 24-plex Y-STR typing system, which includes 3 loci (DYS635 and DYS385a/b) existed in current widely available commercial kits and 21 additional loci (DYS531, DYS630, DYS622, DYS552, DYS510, DYS449, DYS459a/b, DYS446, DYS443, DYS587, DYS527a/b, DYS460, Y-GATA-A10, DYS520, DYS557, DYS522, DYS481, DYS570, DYS444) was established with 5-dye fluorescence labeling. 200 unrelated Chinese Han males were successfully genotyped with the system and 198 haplotypes were observed. The gene diversity of each locus ranged from 0.55 (DYS531) to 0.96 (DYS385a/b), the haplotype of diversity was 0.9998 for these 24 Y-STR loci. The established 24-plex Y-STR typing system is proved to be stable and efficient in forensic DNA typing. |
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| Keywords: | Y-STR Multiplex PCR system Guangdong Han population |
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