Korean J Leg Med.  2007 May;31(1):36-40.

Unusual mtDNA sequencing results from ancient DNA

Affiliations
  • 1Department of Forensic Medicine, Seoul National University College of Medicine, Korea. sdlee@snu.ac.kr

Abstract

Sequence analysis of human mitochondrial DNA(mtDNA) is being used widely to characterize individual identification, particularly when there is insufficient nuclear DNA in samples for typing. Hair shafts, bones, teeth and other samples that are severely decomposed may be subjected to mtDNA analysis. As sample decomposes, however, the possibility of mtDNA to be degraded becomes high and the possibility of spurious results becomes high. In this case mtDNA sequencing results must be carefully analyzed. We got unusual results while typing two human bone samples, which were not compatible with human mtDNA sequence. Bones were about 50 and 35 years old. We report the results with discussions about ancient DNA sequencing.

Keyword

mtDNA; ancient DNA; degradation

MeSH Terms

Adult
DNA*
DNA, Mitochondrial*
Hair
Humans
Sequence Analysis
Sequence Analysis, DNA
Tooth
DNA
DNA, Mitochondrial
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