世界上所有的酵母可能都起源于中国

When scientists in France set out to sequence 1,000 yeast genomes, they looked at strains from all the places you might expect: beer, bread, wine. For five years, two geneticists—Gianni Liti, from the Université Côte d’Azur, and Joseph Schacherer, from the Université de Strasbourg—asked for samples of Saccharomyces cerevisiae from nearly everyone they met, whether doctors in French Guiana collecting human feces or Mexican tequila makers. “It’s easy to get a thousand wine strains,” says Schacherer, “But that’s not how we wanted to proceed.” They wanted little-known wild strains of yeast that live all over the world in a great variety of environments.

The results of their analysis, published in Nature, suggest that yeast came from, of all places, China.

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All of the World's Yeast Probably Originated in China

All of the World's Yeast Probably Originated in China

All of the World's Yeast Probably Originated in China ...