August 13, 2015

And now for something really important

Filed under: Alcohol — acagle @ 7:17 pm

‘Genomic Archaeology’ Reveals That Lager Yeast Was Born More Than Once

After millennia of ales, lagers joined the beer scene some six centuries ago. A hybrid yeast strain made it possible to brew in cold conditions — giving lagers the smooth, light flavor that has led them to represent 94 percent of the world beer market.

Until 2011, no one was able to find the species that combined with Saccharomyces cerevisiae – which brings us bread, ales and wines – to form this lager-brewing hybrid. Since the discovery of that elusive second species, named Saccharomyces eubayanas, scientists have sequenced its genome and begun to uncover the history of lager yeasts. This “genomic archaeology” has turned up evidence to settle a debate about the origins of lagers, according to a report in the journal Molecular Biology and Evolution.

I may have linked to something like this before. But hey, it’s beer so it’s important.

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