arstechnica.com 2 days ago URGENCY: 5/10

Ötzi's Mummy Hosts Ancient Microbes Revealed

Ötzi the Iceman, Europe's oldest mummy, is a living time capsule of ancient microbes. Discover the fascinating strains of yeast and bacteria still thriving in his 5,300-year-old remains.

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Ötzi's Mummy Hosts Ancient Microbes Revealed

The Microbial Mystery of Ötzi

Ötzi the Iceman, discovered in 1991, has captivated scientists with his well-preserved remains. Recent studies reveal that his body is not just a relic of the past but a thriving ecosystem of ancient microbes, some of which are still alive today. Researchers, led by microbiologist Mohamed S. Sarhan, have conducted extensive sampling of Ötzi's stomach contents, skin, and even the air around him to uncover the microbial life that has persisted for millennia.

The findings indicate that Ötzi's gut microbiome contains ancient DNA from bacteria typical of non-Westernized diets. However, the study also highlights the presence of modern microbial strains, raising questions about contamination and the mummy's preservation environment. The controlled conditions of Ötzi's resting place, maintained at -6º Celsius with high humidity, play a crucial role in protecting him from decay.

  • Key findings include:
  • Presence of cold-adapted yeast species.
  • Ancient gut microbiome resembling non-Westernized diets.
  • Modern contaminants found alongside ancient microbes.
These insights not only enhance our understanding of Ötzi's life but also open new avenues for studying ancient human health and microbiomes.