Saccharomyces uvarum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Saccharomycetes
Order: Saccharomycetales
Family: Saccharomycetaceae
Genus: Saccharomyces
Species:
S. uvarum
Binomial name
Saccharomyces uvarum
Nguyen & Gaillardin ex. Beijerinck
Synonyms

Saccaromyces bayanus var uvarum

Saccharomyces uvarum is a species of yeast that is commonly found in fermented beverages, particularly those fermented at colder temperatures.[1] It was originally described by Martinus Willem Beijerinck in 1898, but was long considered identical to S. bayanus.[1][2] In 2000 and 2005, genetic investigations of various Saccharomyces species indicated that S. uvarum is genetically distinct from S. bayanus and should be considered a unique species.[1][2]

It is a bottom-fermenting yeast, so-called because it does not form the foam on top of the wort that top-fermenting yeast does.

References

  1. 1 2 3 Pulvirenti A, Nguyen HV, Caggia C, Giudici P, Rainieri S, Zambonelli C (2000). "Saccharomyces uvarum, a proper species with Saccharomyces sensu stricto". FEMS Microbiology Letters. 192 (2): 191โ€“196. doi:10.1111/j.1574-6968.2000.tb09381.x. PMID 11064194.
  2. 1 2 Nguyen, H.; Gaillardin, C. (2005). "Evolutionary relationships between the former species Saccharomyces uvarum and the hybrids Saccharomyces bayanus and Saccharomyces pastorianus; reinstatement of Saccharomyces uvarum (Beijerinck) as a distinct species". FEMS Yeast Research. 5 (4โ€“5): 471โ€“483. doi:10.1016/j.femsyr.2004.12.004. PMID 15691752.
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