Ancient Yeast Bakes Bread

BolzanoYeast survived 5,300 years in a frozen gut.

Researchers recovered living microbial lineages from Ötzi the Iceman’s intestines, evidence gut microbes can persist across millennia once frozen rather than decomposing.

The team used the yeast to bake sourdough, a first test of what else preserved gut microbiomes might reveal.

Sources: Phys.org