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Accurate sex identification of ancient human remains using DNA shotgun sequencing
Stockholm University, Faculty of Humanities, Department of Archaeology and Classical Studies.
Stockholm University, Faculty of Humanities, Department of Archaeology and Classical Studies.
2013 (English)In: Journal of Archaeological Science, ISSN 0305-4403, E-ISSN 1095-9238, Vol. 40, no 12, 4477-4482 p.Article in journal (Refereed) Published
Abstract [en]

Accurate identification of the biological sex of ancient remains is vital for critically testing hypotheses about social structure in prehistoric societies. However, morphological methods are imprecise for juvenile individuals and fragmentary remains, and molecular methods that rely on particular sex-specific marker loci such as the amelogenin gene suffer from allelic dropout and sensitivity to modern contamination. Analyzing shotgun sequencing data from 14 present-day humans of known biological sex and 16 ancient individuals from a time span of 100 to similar to 70,000 years ago, we show that even relatively sparse shotgun sequencing (about 100,000 human sequences) can be used to reliably identify chromosomal sex simply by considering the ratio of sequences aligning to the X and Y chromosomes, and highlight two examples where the genetic assignments indicate morphological misassignment Furthermore, we show that accurate sex identification of highly degraded remains can be performed in the presence of substantial amounts of present-day contamination by utilizing the signature of cytosine deamination, a characteristic feature of ancient DNA.

Place, publisher, year, edition, pages
2013. Vol. 40, no 12, 4477-4482 p.
Keyword [en]
Ancient DNA, Sex identification, DNA analysis, Genomics, Shotgun sequencing
National Category
Archaeology
Identifiers
URN: urn:nbn:se:su:diva-99899DOI: 10.1016/j.jas.2013.07.004ISI: 000328015000032OAI: oai:DiVA.org:su-99899DiVA: diva2:690359
Note

AuthorCount:4;

Available from: 2014-01-23 Created: 2014-01-20 Last updated: 2017-12-06Bibliographically approved

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Storå, JanGötherström, Anders
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