Saccharomyces eubayanus

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Saccharomyces eubayanus
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Saccharomycetes
Order: Saccharomycetales
Family: Saccharomycetaceae
Genus: Saccharomyces
Species: S. eubayanus
Binomial name
Saccharomyces eubayanus

Saccharomyces eubayanus, a type of yeast, is a likely parent of the lager brewing yeast, Saccharomyces pastorianus.[1][2]

Lager is a type of beer created from malted barley and fermented at low temperatures, originally in Bavaria. S. eubayanus was discovered in Patagonia, possibly being an example of Columbian exchange.

The discovery was published in a study by Diego Libkind, of the Institute for Biodiversity and Environment Research in Bariloche, Argentina, and Chris Todd Hittinger, professor of genetics at the University of Wisconsin, Madison, Wisconsin, USA, on August 22, 2011 in the journal Proceedings of the National Academy of Sciences of the United States of America.[3]


  1. ^ Welsh, Jennifer. "'Missing' Lager Brewing Yeast Discovered in Patagonia". Retrieved 2011-08-23. 
  2. ^ Kaiser, Tiffany. "Lager's Mystery Yeast Discovered in Argentina". Retrieved 2011-08-23. 
  3. ^ Libkind D, Hittinger C, Valério E, Gonçalves C, Dover J, Johnston M, Gonçalves P, Sampaio J. (23 August 2011), "Microbe domestication and the identification of the wild genetic stock of lager-brewing yeast", PNAS 108 (34), doi:10.1073/pnas.1105430108, PMC 3167505, PMID 21873232