Scientists Find Unexpected ‘Signs of Life’ Inside 5,300-Year-Old Mummy

  • تاريخ النشر: منذ يوم زمن القراءة: دقيقة قراءة

Ancient gut DNA and living cold-adapted yeasts reveal a complex microbial ecosystem around Ötzi the Iceman.

The Mummy Is Ötzi the Iceman

The “Life” Comes From Microorganisms

Scientists Sampled More Than the Body

Ancient Gut Bacteria Were Still Detectable

Four Cold-Loving Yeasts Were Cultivated

The Yeasts Could Grow Again

DNA Damage Helped Separate Old From New

The Museum Chamber Is Not Completely Lifeless

Earlier Treatment May Have Favoured Survivors

The Discovery Changes How Mummies Are Protected

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Scientists examining Ötzi the Iceman have discovered a complex mixture of ancient and modern microorganisms associated with his preserved body. Some cold-adapted yeasts recovered from the mummy remain capable of growing under laboratory conditions.

The phrase “signs of life” does not mean Ötzi himself retains living tissue. It refers to microorganisms that colonised his body before or after death and appear able to survive—or remain potentially active—under freezing museum conditions.

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