Did Lager Yeast Come from Patagonia?

Patagonian galls such as these harbor the cold-adapted yeast Saccharomyces eubayanus, a parent of the hybrid yeast used to make lager or cold-brewed beer. A field survey has confirmed that the parent yeast S. eubayanus, which somehow made its way to Bavaria 500 or so years ago, is easily isolated in Patagonia. A Wisconsin team recently isolated the yeast, although at low frequency, near Sheboygan, Wis., the first time it has been found in nature in North America.

Patagonian galls such as these harbor the cold-adapted yeast Saccharomyces eubayanus, a parent of the hybrid yeast used to make lager or cold-brewed beer. A field survey has confirmed that the parent yeast S. eubayanus, which somehow made its way to Bavaria 500 or so years ago, is easily isolated in Patagonia. A Wisconsin team recently isolated the yeast, although at low frequency, near Sheboygan, Wis. — the first time it has been found in nature in North America.
And how did it travel to Bavaria hundreds of years ago? OK, this story from beer-history1the University of Wisconsin, Madison on the mysterious origins of bottom-fermenting lager yeast is a little “inside baseball” — for the anorak brigade, as the Brits might say — but it is interesting to brewers and beer lovers.

SCIENTISTS FIRM UP ORIGIN OF COLD-ADAPTED YEASTS THAT MAKE COLD BEER

MADISON, Wis. — As one of the most widely consumed and commercially important beverages on the planet, one would expect the experts to know everything there is to know about lager beer.

But it was just a few years ago that scientists identified the South American yeast that, hundreds of years ago, somehow hitched a ride to Bavaria and combined with the domesticated Old World yeast used for millennia to make ale and bread to form the hybrid that makes lager or cold stored beer.

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Beer Praise and Prose from Maria Devan

me
I didn’t have it yesterday like I wanted because some times life does not conform to our ideas of it or our plans. I had it today and it is sensational. The original whale. When I joined my first beer website THIS is what everyone wanted and I know why.

Ultimately I do not believe in hallucination as truth.
That is a big premise of hype.
The real story goes something like this.
They, the tribe of native peoples, were cooking what they thought was harmless beer
and then it was too late.
They had all consumed the drug.
Imagine that no one around you is in their right mind
and they could not possibly have expected this.
I imagine there was great strangeness.

This beer is a drug. One of the finest.

Thanks @twizzard for the chance to try this great whale.

I didn’t have it yesterday like I wanted because sometimes life does not conform to our ideas of it or our plans. I had it today and it is sensational. The original whale. When I joined my first beer website THIS is what everyone wanted and I know why. Ultimately I do not believe in hallucination as truth. That is a big premise of hype. The real story goes something like this. They, the tribe of native peoples, were cooking what they thought was harmless beer and then it was too late. They had all consumed the drug. Imagine that no one around you is in their right mind and they could not possibly have expected this. I imagine there was great strangeness. This beer is a drug. One of the finest.

Thanks @twizzard for the chance to try this great whale.
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