S. pastorianus: From local obscurity to world domination
Microbial imperialism | The hybrid yeast S. pastorianus likely evolved spontaneously in the late Renaissance in the beer vats of Bavaria. Since then, it has replaced the once omnipresent S. cerevisiae in breweries throughout the world. This article traces this surprising development from its origins to the present and presents some tantalizing insights unearthed by the most recent genetic research.
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