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Reconstructing Full and Partial STR Profiles From Severely Burned Human Remains Using Comparative Ancient and Forensic DNA Extraction Techniques by Emery, M.V.; Bolhofner, K.; Winingear, S.; Oldt, R.; Montes, M.; Kanthaswamy, S.; Buikstra, J.E.; Fulginiti, L.C.; Stone, A.C. is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Reconstructing Full and Partial STR Profiles From Severely Burned Human Remains Using Comparative Ancient and Forensic DNA Extraction Techniques about?
Thermal degeneration of the DNA molecule presents a special challenge to medico-legal investigations since low DNA yields, fragmented DNA molecules, and damaged nucleotide bases hinder accurate STR genotyping. As a consequence, fragments of severely burned human remains are often not amenable to standard DNA recovery. However, current ancient DNA (aDNA) extraction methods have proven highly effective at obtaining ultrashort DNA fragments (∼50 bp) from degraded palaeontological and archaeological specimens. In this study, we compare DNA yields and STR results obtained from two established aDNA and forensic DNA extraction protocols by sampling multiple skeletal elements recovered from victims (n = 23) involved in fire-related incidents. DNA yields and STR results suggest an inverse correlation between DNA yield and STR quality and increasing temperature. Despite the rapid thermal destruction of DNA at high temperatures, we generated higher quality full and partial STR profiles using the aDNA extraction protocol across all burn categories than the forensic total bone demineralization extraction method. Our analysis suggests adopting aDNA extraction methods as an alternative to current
Who reads Reconstructing Full and Partial STR Profiles From Severely Burned Human Remains Using Comparative Ancient and Forensic DNA Extraction Techniques?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Emery, M.V.; Bolhofner, K.; Winingear, S.; Oldt, R.; Montes, M.; Kanthaswamy, S.; Buikstra, J.E.; Fulginiti, L.C.; Stone, A.C.
- Publisher
- Elsevier ; Elsevier BV (ISSN 1872-4973)
- Published
- 2020
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)