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[https://www.whitelabs.com/yeast-bank/wlp051-california-v-ale-yeast WLP051 California V Ale] yeast is also ''S. pastorianus''. Recent gene sequencing / PCR work has led to it being re-classified as a ''S. pastorianus'' yeast, though it has been used successfully for American-style Ale production.
See also:
* [https://phys.org/news/2019-12-pilsner-yeast-strains-ancestor.amp "All pilsner yeast strains originate from a single yeast ancestor," by Delft University of Technology], summarizing the study by [https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-019-6263-3 Salazar et al. (2019)].
==In Fermentation==