Ancient pathogen genomics: Insights into timing and adaptation

Kelly M. Harkins, Anne Stone

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Disease is a major cause of natural selection affecting human evolution, whether through a sudden pandemic or persistent morbidity and mortality. Recent contributions in the field of ancient pathogen genomics have advanced our understanding of the antiquity and nature of human-pathogen interactions through time. Technical advancements have facilitated the recovery, enrichment, and high-throughput sequencing of pathogen and parasite DNA from archived and archaeological remains. These time-stamped genomes are crucial for calibrating molecular clocks to infer the timing of evolutionary events, while providing finer-grain resolution to phylogenetic reconstructions and complex biogeographical patterns. Additionally, genome scale data allow better identification of substitutions linked to adaptations of the pathogen to their human hosts. As methodology continues to improve, ancient genomes of humans and their diverse microbiomes from a range of eras and archaeological contexts will enable population-level ancient analyses in the near future and a better understanding of their co-evolutionary history.

Original languageEnglish (US)
Pages (from-to)137-149
Number of pages13
JournalJournal of human evolution
Volume79
DOIs
StatePublished - Feb 1 2015

Keywords

  • Ancient DNA
  • Human disease
  • Pathogen evolution

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Anthropology

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