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Optimized protocol for DNA extraction from ancient skeletal human remains using Chelex-100
Schmerer, Wera Margarete
Schmerer, Wera Margarete
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2021-09-18
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Abstract
PCR-based analysis of skeletonized human remains is a common aspect in both forensic human identification as well as Ancient DNA research. In this, both areas not merely utilize very similar methodology, but also share the same problems regarding quantity and quality of recovered DNA and presence of inhibitory substances in samples from excavated remains. To enable amplification based analysis of the remains, development of optimized DNA extraction procedures is thus a critical factor in both areas. The study here presents an optimized protocol for DNA extraction from ancient skeletonized remains using Chelex-100, which proved to be effective in yielding amplifiable extracts from sample material excavated after centuries in a soil environment, which consequently have high inhibitor content and overall limited DNA preservation. Success of the optimization strategies utilized is shown in significantly improved amplification outcomes compared to the predecessor method.
Citation
Schmerer W.M. (2021) Optimized protocol for DNA extraction from ancient skeletal human remains using Chelex-100. International Journal of Forensic Medicine, 3(1), pp. 18-22. DOI: 10.33545/27074447.2021.v3.i1a.35
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Journal article
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en
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©2021 The Author. Published by AkiNik Publications. This is an open access article available under a Creative Commons licence.
The published version can be accessed at the following link on the publisher’s website: https://www.forensicpaper.com/archives/2021.v3.i1.A.35
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2707-4447
EISSN
2707-4455