Kluyveromyces marxianus

Kluyveromyces marxianus
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Saccharomycetes
Order:	Saccharomycetales
Family:	Saccharomycetaceae
Genus:	Kluyveromyces
Species:	K. marxianus
Binomial name
	Kluyveromyces marxianus; (E.C Hansen) Van der Walt, 1971
Synonyms
	Saccharomyces marxianus E.C Hansen, 1888; Zygosaccharomyces marxianus (E.C Hansen) Guillierm. & Negroni, 1929; Zygorenospora marxiana (E.C Hansen) Krassiln, 1954; Anamorph Atelosaccharomyces pseudotropicalis (Castell.) Mello, 1918; Candida pseudotropicalis (Castell.) Basgal, 1931; Endomyces pseudotropicalis Castell., 1911; Candida kefyr (Beij.) Uden & H.R. Buckley ex S.A. Mey. & Ahearn, 1983; Saccharomyces kefyr (Beij.), 1889; Several other basionyms and combinations not included. See MycoBank for full list.

Kluyveromyces marxianus in ascomycetous yeast and member of the genus, Kluyveromyces. It is the sexual stage (teleomorph) of Atelosaccharomyces pseudotropicalis also known as Candida kefyr. This species has a homothallic mating system and is often isolated from dairy products.