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Related Concept Videos

DNA Isolation01:24

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Related Experiment Video

Updated: Feb 27, 2026

Optimized Bone Sampling Protocols for the Retrieval of Ancient DNA from Archaeological Remains
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Mining Metagenomic Data Sets for Ancient DNA: Recommended Protocols for Authentication.

Felix M Key1, Cosimo Posth1, Johannes Krause1

  • 1Max Planck Institute for the Science of Human History, Jena, Germany.

Trends in Genetics : TIG
|July 10, 2017
PubMed
Summary
This summary is machine-generated.

Ancient DNA (aDNA) research uses advanced sequencing to analyze genetic variation and microbial communities. This review highlights methods for authenticating aDNA, crucial for distinguishing true endogenous sequences from environmental contamination in ancient samples.

Keywords:
ancient DNA authenticationancient humansancient pathogenshistorical infectious diseasemetagenomicspaleomicrobiology

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Area of Science:

  • Paleogenomics
  • Ancient DNA (aDNA) analysis
  • Metagenomics

Background:

  • Ancient DNA studies have evolved from single-locus PCR to next-generation sequencing (NGS), enabling deeper genetic insights.
  • NGS allows parallel analysis of host and microbial communities from ancient tissues, increasing analytical resolution.
  • Ancient samples often contain low proportions of endogenous DNA, making environmental contamination a significant challenge.

Purpose of the Study:

  • To review recent data authentication approaches for ancient DNA (aDNA) analysis.
  • To provide methods for distinguishing endogenous DNA from non-endogenous sequences in metagenomic datasets.
  • To address the critical need for updated authentication methods with the rise of NGS in paleogenomics.

Main Methods:

  • Review of recently published data authentication strategies for ancient DNA.
  • Focus on distinguishing endogenous DNA from environmental or exogenous contamination.
  • Application of methods to metagenomic datasets, including ancient human and bacterial pathogen DNA.

Main Results:

  • Successful authentication methods have been developed to differentiate endogenous from non-endogenous DNA.
  • These methods are vital for ensuring data quality and reliability in ancient DNA research.
  • The discussed approaches are applicable beyond human and bacterial DNA, offering broad utility.

Conclusions:

  • Accurate authentication of ancient DNA is paramount, especially with low endogenous DNA concentrations in archaeological materials.
  • Updated authentication methods are essential to leverage the full potential of next-generation sequencing in paleogenomics.
  • The reviewed techniques provide a robust framework for validating ancient DNA findings across various research domains.