The Saccharomycetaceae are a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

yeast Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to constitut ...

s in the order

Saccharomycetales Saccharomycetales belongs to the kingdom of Fungi and the division Ascomycota. It is the only order in the class Saccharomycetes. There are currently 13 families recognized as belonging to Saccharomycetales. GBIF also includes; Alloascoideaceae ...

that reproduce by

budding Budding or blastogenesis is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. For example, the small bulb-like projection coming out from the yeast cell is know ...

. Species in the family have a

cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ...

, and are present in a wide variety of habitats, especially those with a plentiful supply of

carbohydrate In organic chemistry, a carbohydrate () is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula (where ''m'' may or ma ...

sources. The family contains the species ''

Saccharomyces cerevisiae ''Saccharomyces cerevisiae'' () (brewer's yeast or baker's yeast) is a species of yeast (single-celled fungus microorganisms). The species has been instrumental in winemaking, baking, and brewing since ancient times. It is believed to have been o ...

'', perhaps the most economically important

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

Genera

According to the 2007 Outline of Ascomycota, 20 genera are within the family, although for several of these (marked with a question mark below), the placement is uncertain and requires more study. ''

Brettanomyces ''Brettanomyces'' is a non-spore forming genus of yeast in the family Saccharomycetaceae, and is often colloquially referred to as "Brett". The genus name ''Dekkera'' is used interchangeably with ''Brettanomyces'', as it describes the teleomorp ...

''
'' Candida''
?'' Citeromyces''
?'' Cyniclomyces''
?''

Debaryomyces ''Debaryomyces'' is a genus of yeast Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently r ...

''
?''

Issatchenkia ''Issatchenkia'' is a genus of fungi belonging to the family Pichiaceae The Pichiaceae are a family of yeasts in the order Saccharomycetales. According to the 2007 Outline of Ascomycota, the family contains four genera, but GBIF lists 15 genera ...

''
'' Kazachstania'' (synonymous with '' Arxiozyma'')
''

Kluyveromyces ''Kluyveromyces'' is a genus of ascomycetous yeasts in the family Saccharomycetaceae. Some of the species, such as '' K. marxianus'', are the teleomorphs of '' Candida species''. The genus name of ''Kluyveromyces'' is in honour of Albert Jan Klu ...

''
''

Komagataella The Saccharomycetaceae are a family of yeasts in the order Saccharomycetales that reproduce by budding. Species in the family have a cosmopolitan distribution, and are present in a wide variety of habitats, especially those with a plentiful supp ...

''
'' Kuraishia''
'' Lachancea''
?'' Lodderomyces''
'' Nakaseomyces''
?'' Pachysolen''
''

Pichia ''Pichia'' (''Hansenula'' and ''Hyphopichia'' are obsolete synonyms) is a genus of yeasts in the family Pichiaceae with spherical, elliptical, or oblong acuminate cells. ''Pichia'' is a teleomorph, and forms hat-shaped, hemispherical, or round asc ...

''
''

Saccharomyces ''Saccharomyces'' is a genus of fungi that includes many species of yeasts. ''Saccharomyces'' is from Greek σάκχαρον (sugar) and μύκης (fungus) and means ''sugar fungus''. Many members of this genus are considered very important in f ...

''
'' Spathaspora''
'' Tetrapisispora''
'' Vanderwaltozyma''
''

Torulaspora ''Torulaspora'' is a genus of ascomycetous yeasts in the family Saccharomycetaceae. See also *Yeast in winemaking The role of yeast in winemaking is the most important element that distinguishes wine from fruit juice. In the :wikt:anaerobic, a ...

''
?'' Williopsis''
''

Zygosaccharomyces ''Zygosaccharomyces'' is a genus of yeasts in the family Saccharomycetaceae. It was first described under the genus ''Saccharomyces'', but in 1983, it was reclassified to its current name in the work by Barnett ''et al''. The yeast has a long his ...

''
'' Zygotorulaspora''

Species Fungorum ''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of Mi ...

also has '' Schwanniomyces'' in the family.

References

Yeasts Ascomycota families {{yeast-stub