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Old 12-21-2011, 07:01 PM   #1
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Default Saccharomyces eubayanus

Does anyone know where/ how I could obtain a sample of Saccharomyces eubayanus? Since it is the "other" parent of Saccharomyces pastorianus (along with Saccharomyces cerevisiae), I would be interested to see what type of beer you could brew with it. As an uncultivated yeast, I'm sure there would be some wild funkiness to it, but because it contributes the genes which allow lagers to be dryer than ales, my guess is it would brew a very dry beer.

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Old 12-21-2011, 07:11 PM   #2
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DailyTech - Lager's Mystery Yeast Discovered in Argentina

Maybe shoot an email to Diego Libkind, of the Institute for Biodiversity and Environment Research in Bariloche, Argentina?
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Old 12-21-2011, 07:25 PM   #3
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This is a really cool idea, post back if you are ever able to track some down!

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Old 03-08-2013, 12:35 PM   #4
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Any luck with this quest? I happened to stumble upon this article in an unrelated avenue of the internet and had the same question as you.

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Old 03-09-2013, 09:57 AM   #5
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Funny this came up, as yesterday I actually brewed with S. eubayanus (first homebrew ever with the yeast?). The research center I work at has the yeast in its culture collection and we have been doing some research on its fermentation properties. I was allowed to culture up some yeast for homebrewing purposes (sorry, I unfortunately can't distribute it so don't bother asking) and will post some updates on the beer as soon as I have them. There is already airlock activity 12 hours after pitching, despite the relatively low fermentation temperature (12 C), so was pleasantly surprised

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Old 03-09-2013, 12:26 PM   #6
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Definitely update!

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Old 03-19-2013, 01:48 AM   #7
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http://www.cbs.knaw.nl/

You can buy it here for around 150 euros. The CBS number is 12357 if anyone wants to.
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Old 03-22-2013, 10:59 PM   #8
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Quote:
Originally Posted by suregork View Post
Funny this came up, as yesterday I actually brewed with S. eubayanus (first homebrew ever with the yeast?). The research center I work at has the yeast in its culture collection and we have been doing some research on its fermentation properties. I was allowed to culture up some yeast for homebrewing purposes (sorry, I unfortunately can't distribute it so don't bother asking) and will post some updates on the beer as soon as I have them. There is already airlock activity 12 hours after pitching, despite the relatively low fermentation temperature (12 C), so was pleasantly surprised
Today I kegged the eubayanus beer. Gravity had fallen to 1.016 (67% AA), which is in line with what we had seen in the lab. Taste was surprisingly good (nothing spectacular, but definitely drinkable), will be interesting to see how this one matures
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Old 03-22-2013, 11:16 PM   #9
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I'm curious about S. eubayanus. I understand that it is cold-tolerant but is it obligate, that is, does it only grow well in the cold. Do you know whether it throws off a lot of undesirable byproducts when fermented at higher temperatures? Clearly that is a problem with lager yeast.

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Old 03-23-2013, 10:38 AM   #10
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Quote:
Originally Posted by dbsmith View Post
http://www.cbs.knaw.nl/

You can buy it here for around 150 euros. The CBS number is 12357 if anyone wants to.
restricted. here's the listing from their site. typical bureaucratic crap for a non-pathogen. i'm going to ask around the NL scientific community (i work in said community but not microbiology) to see if it can fall off the back of a truck from somewhere... worth a try? funny that the sample deposited was collected on a mushroom growing on a tree.

Taxonomy
Taxon name :
Saccharomyces eubayanus Samp., Libkind, Hittinger, P. Gonça...

Type of organism : Yeast
Status of the strain : Type of Saccharomyces eubayanus

Collections
Other collections : CRUB 1568;PYCC 6148
Other strain numbers (personal numbers) : CRUB 1568
History : Libkind -> Dr. Sampaio, 2006 -> CBS, 2011
Herbarium number : Not applicable

Biosafety and restrictions
Remarks pathogenicity : This strain should be regarded as non-pathogenic to humans, animals or plants
GMO : not GMO
Precautions and restrictions : RESTRICTED with special Transfer Agreement

Origin
Substrate of isolation : from fruiting body of Cyttaria hariotii
Country :
Argentina

Locality : Nahuel Huapi National Park, Northwestern Patagonia
Collected by : R. Ulloa & D. Libkind
Isolated by : R. Ulloa & D. Libkind, 2006
Identified by : as Saccharomyces eubayanus
Deposited by : P. Sampaio & D. Libkind, June 2011
Substrate (including host) : Fruiting body of Cyttaria hariotii (ascomycete) parasitizing Nothofagus dombeyi
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